typical phd length

How Long Does It Take to Get a Ph.D. Degree?

Earning a Ph.D. from a U.S. grad school typically requires nearly six years, federal statistics show.

How Long It Takes to Get a Ph.D. Degree

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A Ph.D. is most appropriate for someone who is a "lifelong learner."

Students who have excelled within a specific academic discipline and who have a strong interest in that field may choose to pursue a Ph.D. degree. However, Ph.D. degree-holders urge prospective students to think carefully about whether they truly want or need a doctoral degree, since Ph.D. programs last for multiple years.

According to the Survey of Earned Doctorates, a census of recent research doctorate recipients who earned their degree from U.S. institutions, the median amount of time it took individuals who received their doctorates in 2017 to complete their program was 5.8 years. However, there are many types of programs that typically take longer than six years to complete, such as humanities and arts doctorates, where the median time for individuals to earn their degree was 7.1 years, according to the survey.

Some Ph.D. candidates begin doctoral programs after they have already obtained master's degrees, which means the time spent in grad school is a combination of the time spent pursuing a master's and the years invested in a doctorate. In order to receive a Ph.D. degree, a student must produce and successfully defend an original academic dissertation, which must be approved by a dissertation committtee. Writing and defending a dissertation is so difficult that many Ph.D. students drop out of their Ph.D. programs having done most of the work necessary for degree without completing the dissertation component. These Ph.D. program dropouts often use the phrase " all but dissertation " or the abbreviation "ABD" on their resumes.

According to a comprehensive study of Ph.D. completion rates published by The Council of Graduate Schools in 2008, only 56.6% of people who begin Ph.D. programs earn Ph.D. degrees.

Ian Curtis, a founding partner with H&C Education, an educational and admissions consulting firm, who is pursuing a Ph.D. degree in French at Yale University , says there are several steps involved in the process of obtaining a Ph.D. Students typically need to fulfill course requirements and pass comprehensive exams, Curtis warns. "Once these obligations have been completed, how long it takes you to write your dissertation depends on who you are, how you work, what field you're in and what other responsibilities you have in life," he wrote in an email. Though some Ph.D. students can write a dissertation in a single year, that is rare, and the dissertation writing process may last for several years, Curtis says.

Curtis adds that the level of support a Ph.D. student receives from an academic advisor or faculty mentor can be a key factor in determining the length of time it takes to complete a Ph.D. program. "Before you decide to enroll at a specific program, you’ll want to meet your future advisor," Curtis advises. "Also, reach out to his or her current and former students to get a sense of what he or she is like to work with."

Curtis also notes that if there is a gap between the amount of time it takes to complete a Ph.D. and the amount of time a student's funding lasts, this can slow down the Ph.D. completion process. "Keep in mind that if you run out of funding at some point during your doctorate, you will need to find paid work, and this will leave you even less time to focus on writing your dissertation," he says. "If one of the programs you’re looking at has a record of significantly longer – or shorter – times to competition, this is good information to take into consideration."

He adds that prospective Ph.D. students who already have master's degrees in the field they intend to focus their Ph.D. on should investigate whether the courses they took in their master's program would count toward the requirements of a Ph.D. program. "You’ll want to discuss your particular situation with your program to see whether this will be possible, and how many credits you are likely to receive as the result of your master’s work," he says.

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Emmanuel C. Nwaodua, who has a Ph.D. degree in geology, says some Ph.D. programs require candidates to publish a paper in a first-rate, peer-reviewed academic journal. "This could extend your stay by a couple of years," he warns.

Pierre Huguet, the CEO and co-founder of H&C Education, says prospective Ph.D. students should be aware that a Ph.D. is designed to prepare a person for a career as a scholar. "Most of the jobs available to Ph.D. students upon graduation are academic in nature and directly related to their fields of study: professor, researcher, etc.," Huguet wrote in an email. "The truth is that more specialization can mean fewer job opportunities. Before starting a Ph.D., students should be sure that they want to pursue a career in academia, or in research. If not, they should make time during the Ph.D. to show recruiters that they’ve traveled beyond their labs and libraries to gain some professional hands-on experience."

Jack Appleman, a business writing instructor, published author and Ph.D. candidate focusing on organizational communication with the University at Albany—SUNY , says Ph.D. programs require a level of commitment and focus that goes beyond what is necessary for a typical corporate job. A program with flexible course requirements that allow a student to customize his or her curriculum based on academic interests and personal obligations is ideal, he says.

Joan Kee, a professor at the University of Michigan with the university's history of art department, says that the length of time required for a Ph.D. varies widely depending on what subject the Ph.D. focuses on. "Ph.D. program length is very discipline and even field-specific; for example, you can and are expected to finish a Ph.D, in economics in under five years, but that would be impossible in art history (or most of the humanities)," she wrote in an email.

Kee adds that humanities Ph.D. programs often require someone to learn a foreign language, and "fields like anthropology and art history require extensive field research." Kee says funding for a humanities Ph.D. program typically only lasts five years, even though it is uncommon for someone to obtain a Ph.D. degree in a humanities field within that time frame. "Because of this, many if not most Ph.D. students must work to make ends meet, thus further prolonging the time of completion," she says.

Jean Marie Carey, who earned her Ph.D. degree in art history and German from the University of Otago in New Zealand, encourages prospective Ph.D. students to check whether their potential Ph.D. program has published a timeline of how long it takes a Ph.D. student to complete their program. She says it is also prudent to speak with Ph.D. graduates of the school and ask about their experience.

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Kristin Redington Bennett, the founder of the Illumii educational consulting firm in North Carolina, encourages Ph.D. hopefuls to think carefully about whether they want to become a scholar. Bennett, who has a Ph.D. in curriculum and assessment and who previously worked as an assistant professor at Wake Forest University , says a Ph.D. is most appropriate for someone who is a "lifelong learner." She says someone contemplating a Ph.D. should ask themselves the following questions "Are you a very curious person... and are you persistent?"

Bennett urges prospective Ph.D. students to visit the campuses of their target graduate programs since a Ph.D. program takes so much time that it is important to find a school that feels comfortable. She adds that aspiring Ph.D. students who prefer a collaborative learning environment should be wary of graduate programs that have a cut-throat and competitive atmosphere, since such students may not thrive in that type of setting.

Alumni of Ph.D. programs note that the process of obtaining a Ph.D. is arduous, regardless of the type of Ph.D. program. "A Ph.D. is a long commitment of your time, energy and financial resources, so it'll be easier on you if you are passionate about research," says Grace Lee, who has a Ph.D. in neuroscience and is the founder and CEO of Mastery Insights, an education and career coaching company, and the host of the Career Revisionist podcast.

"A Ph.D. isn't about rehashing years of knowledge that is already out there, but rather it is about your ability to generate new knowledge. Your intellectual masterpiece (which is your dissertation) takes a lot of time, intellectual creativity and innovation to put together, so you have to be truly passionate about that," Lee says.

Curtis says a prospective Ph.D. student's enthusiasm for academic work, teaching and research are the key criteria they should use to decide whether to obtain a Ph.D. degree. "While the time it takes to complete a doctorate is an understandable concern for many, my personal belief is that time is not the most important factor to consider," he says. "Good Ph.D. programs provide their students with generous stipends, health care and sometimes even subsidized housing."

Erin Skelly, a graduate admissions counselor at the IvyWise admissions consulting firm, says when a Ph.D. students struggles to complete his or her Ph.D. degree, it may have more to do with the student's academic interests or personal circumstances than his or her program.

"The time to complete a Ph.D. can depend on a number of variables, but the specific discipline or school would only account for a year or two's difference," she wrote in an email. "When a student takes significantly longer to complete a Ph.D. (degree), it's usually related to the student's coursework and research – they need to take additional coursework to complete their comprehensive exams; they change the focus of their program or dissertation, requiring extra coursework or research; or their research doesn't yield the results they hoped for, and they need to generate a new theory and conduct more research."

Skelly warns that the average completion time of a Ph.D. program may be misleading in some cases, if the average is skewed based on one or two outliers. She suggests that instead of focusing on the duration of a particular Ph.D. program, prospective students should investigate the program's attritition and graduation rates.

"It is worthwhile to look at the program requirements and the school's proposed timeline for completion, and meet current students to get their input on how realistic these expectations for completion are," Skelly says. "That can give you an honest idea of how long it will really take to complete the program."

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How Long Does It Take to Get a PhD?

If you aspire to rise to the top of your field, then you may have your sights set on a PhD.

Earning a doctoral degree can be a years-long process, but choosing an accelerated doctoral online program may help you complete your program more quickly.

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Whether you’re wanting to earn one of the highest paying doctoral degrees or you have a specific one in mind, this guide can help walk you through how long it takes to complete your PhD program.

For a traditional, campus-based PhD program, the average time to finish a PhD is 8 years. Fulfilling the program’s requirements will often demand a serious investment of your time.

Even still, some people are able to finish their programs in just 3 to 6 years. Multiple factors may influence the overall length of your program.

Required Credit Hours

Many PhD programs require you to earn 120 credit hours before entering the exam and dissertation phases.

Fortunately, there are PhD programs without such high credit-hour demands. For example, at some universities, you may earn a PhD with only 60 credit hours.

Full-Time vs. Part-Time Schedule

Enrolling in a doctoral program part-time may allow you to keep up with your regular job. You’ll have to decide whether you prefer the flexibility of part-time schooling or the faster schedule of full-time studies.

Final Project Requirements

Many PhD programs end with the completion of a dissertation. This assignment may take years to complete, so PhD students often end up in the all-but-dissertation (ABD) phase for quite some time.

University Scheduling

Some schools promote their ability to help you through the PhD process faster than normal. Accelerated class schedules with eight-week online courses may speed your studies along. Focused attention from dissertation advisors may help as well.

PhD Program Components

Before you enroll in a PhD program, it’s important to know some of the basic requirements:

Prerequisites

Most schools require you to already hold a master’s degree, but some offer bachelor’s-to-PhD programs.

Length to Completion

On average, it takes eight years to earn a PhD. Even still, completing doctoral coursework and a dissertation in three to four years is not unheard of.

Topic of Interest

PhD stands for Doctor of Philosophy, but that doesn’t mean you’ll be getting a philosophy degree. Your field of study will depend on your interests and the programs that your university offers. You may tailor your doctoral focus though your choice of a dissertation topic.

Steps to Completion

You’ll take advanced classes before sitting for comprehensive exams. After passing your exams, you’ll likely begin working on a dissertation. You must defend your dissertation before finishing your program.

Doctoral studies begin with a series of classes through which you may increase your knowledge of your field of study and learn about conducting research. These are advanced classes, so they should be more in-depth than the ones you took during your undergraduate and master’s programs.

The number of courses that you need to take can vary significantly. It’s not uncommon for PhD programs to require 120 credit hours of coursework. That amounts to about 40 classes.

At other schools, the requirements are lower. Your university’s program may involve just 60 credit hours or, possibly, even fewer. A less intense course load may significantly slash your time to completion.

Your university may require you to maintain a GPA above a minimum threshold. An unsatisfactory GPA may keep you from moving on to the next step of the PhD process.

Comprehensive Examinations

Universities often require students to demonstrate their readiness for a doctoral project before advancing to the next stage of their studies. Readiness is proven through comprehensive exams , which may also be known as:

• Preliminary examinations
• Major field examinations
• General examinations

Often, comprehensive exams take the form of written or oral tests. In other situations, faculty may assess students’ readiness on the basis of a portfolio evaluation or a written paper.

Dissertation and Defense

A dissertation, also known as a graduate thesis, is a body of work that presents original research in your field. This manuscript focuses on a unique idea and includes evidence to support your thesis. During your doctoral studies, there are classes designed to help prepare you for your dissertation work.

The dissertation process may take several years. Once your manuscript is complete, you must defend it to the doctoral program faculty. After your defense, you may need to do further work on your manuscript, or the committee may decide that your dissertation is complete.

Not all programs require a dissertation. Instead, there may be an alternative doctoral project. Although both dissertations and capstone projects are rigorous, projects can sometimes be completed within a shorter time frame.

Average Time to Complete PhD by Field of Study

Students in some disciplines usually take a lot more time to finish their doctoral work than students in other fields.

If you’re studying in the following scientific fields, you may be more likely to earn your on-campus degree in seven years or less:

• Physics — average of five years
• Psychology — average of five to seven years

On the other hand, if your field of study relates more to the humanities, your on-campus degree program may take longer:

• History — average of eight years
• English — average of eight years
• Education — average of 13 years

These are the traditional figures. There are ways to finish faster.

Why Does It Take So Long to Finish a Traditional PhD?

Some schools require doctoral students to take around 40 classes, which, in a traditional on-campus setting, may take years. After completing the coursework, you must write your dissertation and defend it. The dissertation process alone might take multiple years.

Doctoral programs online may help shorten the PhD process to three or four years. Fewer credit hours may be required, and the classes may be delivered in an accelerated format.

Schools with an emphasis on quick doctoral programs may also offer dissertation advisors to efficiently guide students through that phase. Alternatively, some universities allow students to complete capstone projects that don’t take as long as dissertations.

Getting a PhD Online vs. Campus

Online education has changed students’ options for earning a PhD. These days, aspiring students may choose whether to attend classes on a college campus or online.

Traditional programs may require you to relocate to the university’s campus and attend school full-time. On average, it takes just over eight years to complete those programs. The benefits of choosing an online school instead may include:

Faster Progress

Accelerated eight-week courses may allow you to finish your course load sooner. You may complete your entire program in just three or four years.

Multiple Start Dates

Online programs often let you join throughout the year, so you don’t have to put your studies on hold until the fall semester.

Flexibility

Not being required to move to campus or come to class at set times may allow you to work your studies around your schedule.

Equal Status

Online programs are just as rigorous as on-campus ones. As long as your university is accredited, your degree will be just as valuable as one from a traditional university setting.

Cost-Savings

Finishing your doctoral studies faster may mean that you pay less tuition.

How to Finish Your PhD in Less Time

Although you can’t earn a doctoral degree overnight, you shouldn’t have to spend the majority of your working years striving toward PhD-completion. The following tips for accelerating the PhD process may help you finish your studies more quickly than the average doctoral student.

1. Use What You Already Know

Every school requires a minimum number of credit hours that you must earn in the pursuit of your degree. To help you meet this threshold, some schools will allow you to transfer in credits from other doctoral programs. Universities may also give you credit for your professional experience. Reducing your class load may save you both time and money.

2. Look for Short Classes

Accelerated course schedules are one of the best ways to speed through the degree process. Every eight weeks, you’ll begin a new set of classes. Over the course of a year, there may be five different sessions during which you can take classes.

3. Work on Your Dissertation Throughout the Program

Traditionally, dissertation work begins once the classroom portion of your studies is over. Quick doctoral programs may allow you to begin the dissertation process while you’re still taking other classes. This approach, known as an embedded dissertation, may reduce the likelihood that you’ll drop out before finishing your final project. It might also speed up your doctoral timeline.

4. Ask for Help

A lack of support can lead some doctoral students to drop out. On the other hand, having a good support system can help you push through and finish your program more quickly. Build a team of family, friends, and academic mentors who can encourage you, guide you, and lend practical help when you’re feeling overwhelmed by school.

Why Get a PhD?

You may need to earn a doctoral degree to achieve your career goals . For example, if you want to become a clinical psychologist, this level of study is essential. Many scientific and research positions require doctoral studies. University faculty typically need to hold terminal degrees as well.

Even if a doctorate is not a requirement for your desired line of work, it may help you achieve greater success. You might be granted higher levels of responsibility, and you may earn more money. In some fields, those who hold PhDs make around 20% more than those with master’s degrees, according to the Bureau of Labor Statistics .

Do You Have to Have a Master’s Degree to Get a PhD?

Many schools consider a master’s degree an essential prerequisite for PhD admission. If you don’t already have a master’s degree, a bachelor’s-to-doctorate program may allow you to earn a master’s and a PhD for less time and money than it would take to pursue them separately.

How Long Does It Take to Get a PhD After a Master’s?

You may be able to complete your doctoral program in three to four years if you opt for an accelerated online program. On average, traditional on-campus PhD programs take around eight years to complete.

How Hard Is It to Finish a PhD?

Doctoral studies are challenging. That shouldn’t come as a surprise; if doctorates were easy to acquire, nearly every college graduate would end up with a PhD behind his or her name.

Approximately 50% of students who begin a PhD program don’t end up finishing. Many quit within two years of starting. Another large portion gives up upon reaching the dissertation phase.

Although all PhD programs are challenging, the flexible nature of online programs may help you find success. Choosing a doctoral track that doesn’t require a dissertation may help as well.

What Is the Easiest PhD to Get?

All PhD programs are demanding, but you might have an easier time if you select a program that aligns with your interests and your career goals. The flexibility of online study may help your doctoral program seem less burdensome. In addition, capstone projects are sometimes easier than writing dissertations.

If earning a doctoral degree in a short time frame is important to you, then consider the many potential benefits that online programs have to offer. Within just a few years, you may be able to place the letters “PhD” at the end of your name.

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How Do You Get a PhD? A Guide to the PhD Timeline

Everyone who considers a doctoral degree knows a Ph.D. is a big commitment. 

Not only will it require all your mental energy, focus, and persistence, but it will also require a significant investment of your time. Your particular area of research, your institution’s policies and procedures, and the standard expectations within your field all play a significant role in how long it takes to earn a PhD. The average PhD length is five or six years, while some students may take eight or nine years.

Regardless of how long a PhD program takes,  there are some common stages of a PhD that all doctoral students share. These major and essential milestones shape the timeline for earning your doctorate . Read on as we take you through each step and explore the typical steps to a doctorate degree.

How Many Credit Hours for a PhD?

The number of hours that you need to complete your doctoral coursework might depend on several factors: do you already have a master’s degree? Will you earn one en route to the doctorate? Or do you even need one? 

Different disciplines and research interests have their own PhD process, but even within your field of study, you may find that institutions have diverse pathways for obtaining that terminal degree. For most, coursework will take anywhere from two to three years to complete.

During this time, students can serve as graduate research or teaching assistants or could even lead their own courses as an instructor. In many degree programs, students develop their potential dissertation topics through their coursework and start to define what their research plans might look like in the next few years.

PhD Qualifying Exam and Comprehensive Exam

Many programs set up academic checkpoints to help keep students on track during their PhD journeys. The timing varies by program, but one of the most common – and possibly most stressful – forms of benchmarking is the PhD comprehensive exam or qualifying exam. Often administered around the end of the student’s coursework, these exams are your chance to demonstrate what you learned in your classes.

Testing is overseen by a committee of faculty from your department. Usually comprised of at least three members, your professors ask questions or assign writing prompts based on your experience in the program thus far. The format is generally a combination of written and oral exams designed to test your expertise in your discipline’s methodologies and significant content areas.

To better prepare yourself, research the number and kind of qualifying benchmarks the program will require in the university catalog before you begin your program. This will allow you and your advisor to effectively plan out the first few years of your degree and give you an idea of how you’ll be evaluated throughout your program.

Dissertation Prospectus and Defense

You may be required to complete and defend a dissertation prospectus before officially becoming a PhD candidate. A prospectus is a document outlining your dissertation plan, which includes an explanation of your research topic, a potential outline of your dissertation, the methodologies you intend to employ, the significance of your research question, and a bibliography including sources that form the foundation of your research.

Your prospectus allows your dissertation advisor to understand the scope of your project. It should be thorough enough that they can provide useful feedback to help shape your research plan. After some revisions, an approved prospectus is the green light to move into the next stage of your PhD.

Advancement to Candidacy

If you have heard the term ABD – “All But Dissertation” – then that means you are in the home stretch of your doctoral program!

Well, sort of…only your dissertation remains!

Dissertation Research and Writing

While you’ve made it through the coursework and qualifying exams, the dissertation is the culminating component of the doctoral degree. At this point, your approved research plan is ready to be set into motion. Depending on your discipline, this could be the stage where you travel extensively to conduct fieldwork, explore archives, or visit labs to collaborate on projects that relate to your dissertation work. For many students, the research phase can take a couple of years, but some may be able to complete it in one.

Writing your dissertation can be one of the most challenging parts of the whole PhD. process. Not only are you condensing years of research into a single cohesive document, but you are also formulating graphs, charts, and other textual references to help clarify your argument. Often, formatting can be a major challenge for many students. 

In this stage, it’s most helpful to seek out resources to help you with the writing process. Many universities have dissertation writing workshops where you can learn best practices, as well as support groups where students meet regularly and help keep each other accountable. Most universities also offer competitive dissertation completion grants, supporting students with additional funding so they focus more of their time and effort on completing this undertaking.

Dissertation Defense

Everyone gets nervous about this major rite of passage. It can be difficult to take criticism over something you have poured your heart and soul into for years. Remember, though, that a good advisor will not let you defend if you’re not ready, and you literally wrote the book on your topic!

The dissertation defense is not intended to tear your work apart but rather is your opportunity to prove your expertise to your dissertation committee. Many defenses are open to observers, so you should attend a few in advance of your own, especially within your department, to get a sense of what it’s like. 

First, you’ll present the main points of your thesis. Then the committee will ask questions so they can clearly understand your arguments. Finally, they’ll send you out of the room while they deliberate and decide if you pass or not. If all goes well, you’ll be addressed as “Doctor” the next time you walk into the room!

Get Started on Your PhD Journey Today

No matter what your particular timeline looks like as you work toward your doctorate, know that the faculty and other students within your program are frequently a huge source of support — which means you won't do this alone! Additionally, every school has resources to assist Ph.D. students, from libraries to writing centers to dedicated student support services. 

If you are excited about beginning your Ph.D. journey, we invite you to request more information or reach out to one of our admissions professionals today. Best of luck as you begin this transformational experience!

learn more about

what it takes to apply to and succeed in a PhD program. Explore our resource — A Guide to Choosing, Applying for, and Thriving in a PhD Program!

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How Long Does it Take to Get a PhD?: A Go-Getter’s Guide to Graduation

Featured Expert: Dr. Charlene Hoi, PhD

How long does it take to get a PhD? On average, PhD programs are 4 or 5 years long. The time it takes to get a PhD is slightly longer in the US, between 4-6 years, because these programs tend to be more structured. If you want to know how to get a PhD in Canada or Europe, you can expect it to take 3-5 years. However, there are PhD programs that take longer, such as part-time programs, or are extremely short, like online accelerated PhD programs. Ultimately, how long it takes to get a PhD is up to you. In this article, we’ll look at the average PhD program lengths, the typical PhD timeline, and tips on how to get your PhD finished faster.

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Article Contents 13 min read

How long does it take to get a phd.

On average, it takes 4-5 years to complete a Doctor of Philosophy (PhD) program. In the US, most PhD programs are between 4-6 years, while in Canada they are typically shorter, around 3-4 years.

Some students take longer than 6 years to complete their PhD, but in general the longest time it takes to get a PhD is capped at 8 years. If you’re enrolling in a part-time PhD program, for instance, your timeline will probably be extended to 6-8 years.

The shortest PhD programs out there are accelerated or sometimes online PhD programs. Some of these are only 1-2 years long, but there are comparatively fewer programs available, and they are only suitable for certain fields and careers which require less intensive research which defines most PhD programs.

One of the main reasons why it takes many years to get a PhD is because these programs are comprehensive and the requirements to graduate are extensive. Most have a set number of credit hours you need to complete, examinations to write, plus you’ll need to write your PhD thesis or dissertation, unless you pursue a PhD without dissertation .

There are certainly ways to shorten the PhD application timeline and time to graduate, which includes enrolling in a shorter program if possible, increasing your course load or the number of research hours you can dedicate per week, but generally a PhD will still take some time.

Even if you want to do a PhD without a master’s degree first, such as by applying to a direct entry PhD program, the program is still usually 4-5 years long.

We’ll take a look at the typical PhD timeline and how long it takes to get a PhD normally. After, we’ll cover some tips on how to get your PhD done faster or how you can avoid dragging things out.

In North America, the typical PhD program is divided into two stages. The first stage is where you complete all the required coursework, comprehensive exams and other academic requirements, depending on the program. The second stage is when you submit a proposal for original, independent research, get it approved and start working on your thesis or dissertation. Your PhD culminates with your thesis defense. Once your thesis has been approved, you’ll be eligible to graduate.

This timeline is somewhat flexible, as you might complete the first stage in 1 or 2 years but take longer to complete your dissertation. For the purpose of this general PhD schedule, we’ll assume your PhD program is a typical length of 4-6 years.

Application Stage

We’ve included the application stage of getting your PhD here first because the grad school application timeline can take several months to put together your application package and hear back about acceptance to a program. Secondly, because the application stage involves some critical steps you’ll need to complete in order to get your PhD.

1. Research proposal

To apply to a PhD program, you’ll most likely be required to submit a research proposal and be prepared to answer any research proposal questions your advisor will have. This is your “proposal” of what research question you will explore during your studies at a program, or an outline of what research topic you want to pursue. If you’re not sure how to write a research proposal, check out these Oxford PhD proposal samples or a Cambridge PhD proposal sample.

2. Application materials

The admission requirements for a PhD can vary from program to program, but here are the general components of a PhD application:

• Required prerequisite coursework
• Official transcripts (and minimum GPA)
• Graduate school statement of purpose
• CV for graduate school or research resume
• PhD motivation letter

Some programs may also ask you to submit additional essays, such as a letter of intent, research interest statement or grad school career goals statement .

Many PhD programs also invite you to a grad school interview to get to know you better. Be ready for common graduate school interview questions such as “ tell me about yourself ” and “ why do you want to do a PhD ?”

Writing a grad school statement of purpose? Check out these examples:

PhD Years 1-3: Coursework Stage

1. orientation.

Your PhD program will usually begin with your orientation, where you’ll learn about the program’s individual structure, requirements and expectations. You’ll also either choose or be assigned an academic advisor and schedule an initial meeting with them. Your advisor will be a member of the university faculty who will act as your support while you complete your research and write your thesis.

2. Coursework

The first year or two of your PhD will involve completing required advanced coursework in your field. You’ll attend lectures and seminars and you may participate in research projects with department faculty or fellow graduate students or even lab work, depending on your field.

3. Electives

Along with required coursework, you’ll have the chance to take elective courses that interest you or relate to your field. It’s important to choose electives that will enrich your program. Choose ones that really interest you, that might help inform your PhD research or that will help you fulfill your credit requirements.

4. Extracurriculars

PhD programs sometimes have extracurricular activities or additional requirements outside the classroom. This can include internships or a practicum you need to complete for credit, or you might be interested in attending academic conferences or relevant events to socialize and network you’re your colleagues in the field.

5. Comprehensive exams

The coursework stage of your PhD program will end with comprehensive exams , sometimes called qualifying or preliminary exams. These are your “final exams” to make sure that you completed the necessary PhD coursework and that you’re ready and qualified to take on your own independent research in the next phase.

1. Thesis proposal

You may recall that you submitted a research proposal as part of your PhD application, and this step of the process is similar. Your thesis proposal is just like your research proposal, but it’s a more refined and developed version. Throughout your coursework, your research question might have changed or you might have changed course a little bit. If you’re still thinking about your PhD topic , take the time to solidify it before you reach the thesis proposal stage.

Your research proposal might have been a first draft, while your thesis proposal is your official announcement of: this is what I propose to research in this PhD program.

Depending on your field and the program, you thesis research might involve a great deal of lab work, or data collection or fieldwork. Whatever the case, your thesis proposal is a complete outline of what you intend to do for this independent research project and the steps you’ll take.

2. Thesis approval

Once your proposal is written, you’ll submit it for approval. Your academic advisor, PhD supervisor or the PhD committee overseeing your program will review it and either approve it or make suggestions for changes. Once it’s been polished and finalized, you’ll be given the go ahead to start conducting your research.

3. PhD research

Your research alone will probably take you several semesters to complete. On top of the fieldwork, lab work or data collection and analysis you’ll be completing, you’ll be using this time to write and review. Writing your thesis or dissertation takes a fair number of hours to outline, draft, edit and complete. It also means hitting the books to complete a literature review of your research topic so you have a complete background understanding of your chosen topic and how it will inform your research.

Your research and the preparation of your thesis is really the biggest part of this second stage, and is probably the longest part of your PhD altogether.

4. Extra requirements

When you’re not deep in your research, you’ll be completing other requirements of your PhD program or additional duties that enrich your education. Some programs require you to dedicate some hours to teaching, whether it be leading seminars for undergraduate students or acting as a teaching assistant for university faculty.

You’ll also be strongly encouraged to publish as a graduate student , so you may be involved in the research projects of faculty members or other grad students when you’re not working on your dissertation.

5. Thesis submission and preparation for thesis defense

When you’re finished writing your thesis and you’re ready to submit it, it’s critical to know how to prepare for thesis defense . Because not only do you have to complete this original, new body of research work, you have to get the approval of your PhD committee to put it out into the world.

Your thesis defense is essentially the final presentation of your PhD.

6. Thesis defense

Your thesis defense is an oral presentation of your research project, but it also involves submitting your written document to be reviewed. Essentially, you’ll present the entirety of your thesis to the PhD supervising committee, including your findings and conclusions. From there, the committee will ask thesis defense questions . Your answers will defend your methodology and results to the committee, basically proving the value and validity of your work. While this is an evaluation of sorts, it is also your opportunity to share your original ideas and invite further research into your topic.

After your defense, the PhD committee will either approve your thesis or send it back to you with edits or changes to be made before it can be formally approved.

Graduation and Postdoc

Once your thesis has been approved, congratulations! You’ll be eligible for graduation and be awarded your degree. Now that you’ve finished this marathon, you can choose to pursue further studies or start looking for a job after grad school .

With a PhD, you have many different options for positions in your field. You might want to know how to find a job in academia or how to get a tenure track position at a university if you’re interested in teaching others. PhD graduates who decide to transition from academia to industry or who would rather work outside the realm of academia can find industry jobs after PhD that suit their skills and experiences.

Either way, you’ll need to prepare for how to find a postdoc position, explore what the career options are for you, decide what your career goals are and start sending out applications. Remember to prep your postdoc resume and get read for postdoc interview questions , since the job hunt will begin soon after you finish your PhD!

Is it possible to get your PhD done faster? What are some ways you can speed up the process and avoid taking 8 years to complete your graduate studies? Luckily, there are many key ways you can make your journey through grad school easier and speed things up a little, from the type of PhD program you choose to the habits and skills you cultivate during your program.

#1 Enroll in an accelerated program

The first way to guarantee it will take less time to get your PhD is to, of course, enroll in a shorter PhD program. Direct entry PhD programs allow you to enroll once you’ve completed your bachelor’s degree in exceptional circumstances. Note that these are not the easiest PhD programs to get into , as your academic record needs to be excellent, and you’ll likely need prior research experience and you may even need to have publications already. However, a direct entry PhD program is around 4-5 years, but it allows you to skip the 1-2 years it would take to earn a master’s degree.

You can also choose to enroll in an online or accelerated PhD program that is designed to be much shorter than the traditional PhD. Once again, though, these programs are not available to students in every field, so you may need to research whether there are any options for you.

#2 Choose the right mentor

One of the first things you can do to ensure your PhD is smooth sailing is to choose the right mentor or academic advisor. Many programs allow you to choose your advisor, while some assign one to you. Whatever the case, it’s important to establish a strong working relationship and clear expectations early on.

One of the first things you’ll do as a PhD student is meet with your advisor. Take the time to discuss with them what your expectations for the program are, ask questions and ask them what their expectations are of you. Your advisor is there to help you and advise you, and they have resources and connections you can use to your advantage. But they are also working with a busy schedule and might be advising more than one PhD student, too. A mutually respectful relationship with open communication will ensure fewer interpersonal hurdles down the road.

#3 Earn credit hours faster

One way you can shave some time off your PhD is by earning your credit hours faster and getting to the research and thesis-writing stage faster. This might mean you take on a full-time course load or ask your advisor for ways to earn extra credit, such as participating in research projects. Some PhD programs will give you course credit for previous graduate level coursework you might have completed during your master’s degree, or for certifications and professional education you completed outside of school.

#4 Keep your thesis focused

When you get started on your research, it’s easy to feel overwhelmed with the amount of work you need to complete, with the writing of your thesis on top of it all. One way to keep your research hyper-focused and on point is to keep your thesis topic narrow. If your subject is too broad, you’ll be spending way too much time in your research. Give yourself clear objectives and scope, and don’t deviate from your PhD proposal if you don’t have to.

There may be a million questions you want to explore within your PhD topic, but there will be other opportunities to explore them. Keep your focus narrow so you don’t spend years and years asking and answering research questions!

One of the best things you can do to get your PhD done faster and adjust to the experience of graduate school is to change your thinking. Adopt a growth mindset so that you’re open to new learning, willing to listen to constructive feedback on your proposal or thesis and willing to grow your skills. A PhD is an advanced program, and you’ll already be very skilled, but it is also an opportunity to learn and grow. There will be challenges for you, so be ready to meet and overcome them instead of letting them draw you back or slow you down.

#5 Develop your professional skills fast

A PhD is an opportunity to grow your professional skillset as much as it is an opportunity for you to contribute meaningfully to your field. If you haven’t already been working on skills such as communication, presenting or lecturing and writing, now is the time to start.

Strong writing skills will help you get your thesis finished and edited faster, as you’ll be more familiar with the process and understand what makes a strong document. It’s also a useful skill to learn how to write effective funding proposals or grant proposals. You may need to do so to secure funding for your research, but it’s a highly valuable skill in the workforce, too.

Good presentation skills will help you during your thesis defense or if you’re asked to present during a conference. They will also help you build confidence in your voice and ideas and make you a better communicator when you’re networking or job searching.

#6 Keep to your schedule

This is maybe the most important skill if you want to finish your PhD faster: make a detailed schedule and hold yourself accountable to it. If you like, you can plan out your entire PhD week by week from Day 1. Write down what your course schedule is, when you’ll do research and how many hours, when you’ll write and how many hours, what extracurriculars or personal activities will take up your time and so on.

A detailed schedule gives you an overview of your PhD and a timeline of when you’ll finish. It will keep you organized and accountable, so you can avoid procrastinating or avoidable speed bumps that might slow you down. It also helps you compartmentalize the many items on your to-do list so you don’t stress out about how much you need to accomplish.

When creating your schedule, especially during the research stage when there is no formal class schedule for you to adhere to, focus on deliverables. Set a date when you will submit a section of your thesis to your advisor, or when you will complete your literature review. Setting goals and clear outcomes will keep you on track and focused.

#7 Take initiative and be independent

The last tip to help you get your PhD done faster is to take initiative. Remember that a PhD is a largely independent endeavor. You’ll have the support of a committee or advisor, but you can’t rely on them to do the work for you or put everything on hold if they aren’t available when you need them. Be flexible and adaptable so you can keep working and moving forward, even if your schedule gets interrupted or needs to change to suit your situation.

It's also important to take the initiative in your learning. Take advantage of opportunities for growth, networking, and gaining experience where you can. Get the most out of your PhD program and use your experiences to fuel your end goal of completing your thesis.

On average, it takes 4-5 years to get a PhD. There are a few factors that can influence the time it takes to complete your PhD, from program length and structure to what country you are earning your PhD in, to your own personal work ethic and schedule.

PhD programs in the US are on average 4-6 years. In Canada and the UK, they are usually 3-5 years long. Part-time PhD programs may take up to 7-8 years to complete. Direct-entry PhD programs and dual master’s and PhD programs are typically 5 years long. If you’re enrolling in an online, hybrid or accelerated PhD program, the timeline is usually 2-3 years, but there are some extremely short 1-year PhD programs offered online for specific disciplines.

Yes, you can finish your PhD before the “normal” timeline. For example, if you complete your coursework early, if you finish writing your thesis faster than average and get it approved, or if you otherwise complete all your PhD program requirements before the anticipated finish date. 

Yes, there are online PhDs available for certain fields and disciplines. These typically range from 2-3 years, although there are some traditional 4-year PhD programs offered online. There are also some “accelerated” online PhDs which last 12-18 months.

A PhD program is not necessarily shorter if you first complete a master’s degree, but having gone through a master’s program can better prepare you to finish your PhD faster. Some PhD programs accept credit hours from your master’s degree towards the coursework requirements for a PhD, and if you’ve previously written a master’s thesis or completed some research during your graduate studies, this will be an advantage. Since you’ll already be familiar with the process of writing a thesis and conducting your own research, you can avoid some stumbling blocks in your PhD program that might otherwise slow down your progress.

Yes, it is possible to get a PhD without first completing a master’s degree. There are direct entry PhD programs that allow students with a bachelor’s degree to enroll, so long as they meet the admission requirements and have exceptional academic records. Some online PhDs also waive the master’s degree requirement.

Yes, it is possible to complete a traditional PhD program in a shorter amount of time than anticipate. This usually means dedicating yourself to full-time study or taking on a larger course load and increased research hours. It takes significant work, but it can be done with the right schedule and commitment.

The fastest PhD programs are the short, 1-year accelerated programs. These programs have fewer credit hours to complete, and some have no dissertation requirement, only qualifying exams to finish. However, there are not many programs out there, and they are not available for every field of interest.

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How Long Does It Take to Earn a PhD?

Cece Gilmore is a Content Writer at Scholarships360. Cece earned her undergraduate degree in Journalism and Mass Communications from Arizona State University. While at ASU, she was the education editor as well as a published staff reporter at Downtown Devil. Cece was also the co-host of her own radio show on Blaze Radio ASU.

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Cari Schultz is an Educational Review Board Advisor at Scholarships360, where she reviews content featured on the site. For over 20 years, Cari has worked in college admissions (Baldwin Wallace University, The Ohio State University, University of Kentucky) and as a college counselor (Columbus School for Girls).

Maria Geiger is Director of Content at Scholarships360. She is a former online educational technology instructor and adjunct writing instructor. In addition to education reform, Maria’s interests include viewpoint diversity, blended/flipped learning, digital communication, and integrating media/web tools into the curriculum to better facilitate student engagement. Maria earned both a B.A. and an M.A. in English Literature from Monmouth University, an M. Ed. in Education from Monmouth University, and a Virtual Online Teaching Certificate (VOLT) from the University of Pennsylvania.

How long is a PhD program? That might be one of the first questions you ask yourself If you are thinking of earning a PhD. You have probably heard a range of years, and that is because how long it takes to earn a PhD depends on a number of factors. Keep reading to learn more!! 

What is a PhD? 

PhD stands for a “Doctorate of Philosophy.” This is an academic degree that qualifies the degree holder to teach their chosen subject at university level or to work in a specialized position in their chosen field. In general, the PhD is the highest level of degree a student can achieve. 

Also see: Top fully funded PhD programs

Why get a PhD? 

A PhD is a serious commitment with a serious return on investment. Here is a list of professional and personal benefits for earning a PhD. 

How long does it take to earn a PhD? 

Earning a PhD usually takes between four and seven years to complete, depending on the type of PhD as well as the schools requirements, the students educational background, and personal progress. Students who take full-time classes can typically finish in four years. A typical PhD program requires anywhere from 60 to 120 semester credit hours . 

Why earning a PhD takes years to earn

Assistantship obligations.

Teaching and research assistantships can be very beneficial for the experience they provide and the potential funding, but they can also be time consuming obligations for PhD students. Therefore, assistantships may affect the amount of time it takes to complete a PhD program. 

Comprehensive examinations

Universities often require students to demonstrate their readiness in a PhD program through comprehensive exams. These comprehensive exams may be known as: 

• Preliminary examinations
• Major field examinations
• Comprehensive exams or “Comps”
• General examinations

Dissertation

A dissertation is an in-depth research document that serves as the culmination of a doctoral program. It is an important document that demonstrates a student’s original research and contribution to their field of study. 

The dissertation involves conducting extensive research, reviewing previous literature, analyzing data, and presenting your findings in a structured manner. Once the dissertation is completed, it is typically defended orally in front of a committee of faculty members who assess the quality and validity of the research. 

Average PhD timeline

The specific of a PhD timeline carried by college and university. However, the following is a good overview of the average PhD program. 

• Year 1: Take advanced courses
• Year 2: Take advanced courses and begin preparing for exams
• Year 3: Study, take and defend your comprehensive exams and begin researching your dissertation proposal
• Year 4: Begin working on your dissertation
• Year 5: Finish and defend your dissertation 

Average PhD completion by focus

According to data from the National Center for Science and Engineering Statistics the average time in years from graduate school entry to doctorate it took students to receive their degree in 2020 in certain fields is listed below. 

• Life sciences = 6.9 years
• Physical sciences and earth sciences = 6.3 years
• Mathematics and computer sciences = 7.0 years
• Psychology and social sciences = 7.9 years
• Engineering = 6.8 years
• Education = 12.0 years
• Humanities and arts = 9.6 years
• Other non-S&E fields = 9.3 years

Related : Top 10 PhD in Education programs

How to finish your PhD is less time

Look for accelerated classes.

Accelerated courses are an easy way to reduce the amount of time it takes to finish a PhD. Therefore, look into if your program offers any shorter courses. 

Work on your dissertation throughout the program

Working on your dissertation little by little throughout the program will allow you to speed up your doctoral timeline. In addition, it may reduce the likelihood that you’ll drop out before finishing your final project.

Maintain regular communication with your advisor

Establish regular communication with your advisor or supervisor. Regular meetings can help you receive guidance, address any issues, and ensure you are heading in the right direction.

Seek feedback early and often

Share your work and progress with your advisor, peers, or other trusted individuals often. Then, you should incorporate suggestions and revisions as you go along. This will help you refine your work and avoid major revisions later.  

Maintain a healthy school-life balance

While it is important to be dedicated to your PhD, it’s just as important to maintain a healthy work-life balance. Therefore, be sure to prioritize yourself! While finishing your PhD in less time is a great feat, it is important that you are not sacrificing your well-being while doing so.

Key Takeaways

• PhD stands for “doctorate of philosophy” and is generally the highest level of degree a student can earn
• There are many professional and personal benefits to earning a PhD which can lead to a serious return on investment
• A PhD program typically takes 4-7 years to complete. However, it can take longer or shorter depending on personal circumstances and field of study 
• With planning and guidance from advisors, students can sometimes complete PhDs in less time

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Frequently asked questions about how long it takes to earn a PhD 

Do i need to have a master’s degree to get a phd, what is the easiest phd to earn, can i finish my phd earlier than the estimated time frame, what happens if i don’t complete my phd within the expected timeframe, can i work while pursuing a phd, can i accelerate the process of earning a phd, scholarships360 recommended.

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How long does a PhD take?

Study tips Published 1 Jul, 2021  ·  3-minute read

You already know a Doctor of Philosophy is a significant time investment, but just how long does it take to get a PhD?

Here, we look at the possibilities and average timeframes to help you prepare for the exciting journey ahead. We’ve checked in with our Higher Degree by Research team to get the official answers to how long a PhD takes to complete.

How long does a PhD take in Australia?

You should plan for your PhD to take at least 3 years and 3 months to complete when studying full time if you follow an ideal schedule. However, on average, we find people take 3 years and 9 months to complete a full-time PhD at UQ – and 4 years isn’t uncommon, either.

Remember : The world doesn’t pause while you’re doing your PhD. Life happens, which is why many people interrupt or postpone their PhD for a period before returning to the program later. No two candidates have the same journey – and that’s okay.

Keep in mind that these averages are only indicative of how long a PhD takes in Australia. While the timeframe may be similar in some countries, including most of Europe, you may find yourself studying for longer if you take on your PhD elsewhere. For example, 5-7 years (depending on discipline) is common for candidates completing their PhD in the US.

Can you complete a PhD in 2 years?

Occasionally, a candidate and their supervisory team might request special permission to complete a PhD earlier, and these are reviewed on a case-by-case basis. But the volume of work required to create substantial new knowledge in your field means it’s quite impractical to complete your PhD in only 2 years. After all, you’re striving to become the true expert of your chosen topic – this takes time and dedication without any shortcuts.

If you’re looking to undertake a similar program in just 2 years, consider the Master of Philosophy instead. It’s possible to articulate from an MPhil to a PhD – and sometimes completing an MPhil is the ideal way to extend your research skills before committing to a PhD.

How long is a PhD thesis?

Time isn’t the only logistical consideration you need to make when starting a higher degree by research. You may also be wondering how long your PhD dissertation will need to be (in Australia, this is more commonly called your thesis ).

A standard PhD thesis at UQ is up to 80,000 words .

The extensive research and writing required to complete a PhD further demonstrates why 3 years is the minimum timeframe for a PhD.

How can you stay motivated during your PhD program?

We know 3-4 years is a long time to dedicate to a single topic, and up to 80,000 words of academic writing isn’t a small undertaking. While the rewards of completing your PhD are well worth the time and effort , knowing this may not always be enough to keep you feeling inspired.

So, we asked some of our PhD alumni and candidates for their tips on staying motivated and avoiding burnout. Here’s what they had to say:

“I maintained motivation by setting micro goals . I broke up my days into 500-word challenges – I committed to writing a minimum of 500 words every day, no matter what. I also made sure to have regular breaks scheduled every year. This makes sure that I am well rested and have all my planned work completed before I go.”

– Angie Knaggs, who completed a PhD about popular culture representations of masculinity in crisis

“Try to write something every day. It doesn’t matter if it’s good or bad, a big chunk or just something small, on topic or irrelevant. Just get into the habit of writing every day . Also, do some exercise, stay in contact with friends and family, and maintain a life outside of your PhD – don’t let it be all-consuming.”

– Ren Perkins, who is completing a PhD about keeping Indigenous teachers in the profession

“I remember working a lot of nights and weekends on my thesis! But, overall, I found the experience a fulfilling one. I had a great primary supervisor who was very good at keeping their students motivated.”

– Brigid Lynch, who completed a PhD in population health

Are you ready to start your PhD journey? Learn more about the Doctor of Philosophy or apply today .

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PhD Timeline and Milestones

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There is no specific length of time associated with earning a PhD. Across disciplines and campuses, the average amount of time to earn the degree is between four and five years, although individual time varies widely.

The education program was planned to span at least three years and was designed for students who already have undertaken graduate work and already demonstrated competence and interest in educational research. The length of the program, however, is based on the student’s progress in mastering subject matter, preparing for examinations, preparing research proposals, and conducting original research. The nature of these activities differs and makes for considerable time variability among students in the same program.

Year-by-Year Guideline

A general guideline for planning your graduate program is described below.

During the first year, students normally complete any prerequisites that are deemed necessary by the admissions committee, the graduate advisor, or faculty advisor. General program prerequisites are noted on the Advising Form in this handbook.

In addition to prerequisites, in the fall all PhD students are required to complete the one-quarter, 4-unit Proseminar In Education (EDU 291).

All students will take the following methodology core courses:

• EDU 201 Qualitative Methods (4) Winter
• EDU 204A Quantitative Methods in Educational Research: Analysis of Correlation and Design (4) Spring

Second year

During the second year of the program, students complete any remaining background course work or required course work. The rest of the second year is devoted to completing courses in your area of specialization. At least 32 units (approximately eight courses) are required for the area of specialization; these are selected with the assistance of the faculty advisor. You should also complete at least two advanced methodology courses.  Students will also complete the Preliminary Examination by the end of the second year.

Second/Third year

During the second and third year, students prepare for and complete the qualifying examination. The student and his or her qualifying examination committee will design a qualifying examination to assess readiness to complete the dissertation.

Fourth year plus

PhD dissertations must satisfy the standards and format of the Graduate Studies Office and those of an appropriate publications manual, for example, that of the American Psychological Association (latest edition). In general, the style and format of the journals by the AERA should be used in written work in this program.

The Office of Graduate Studies will assign a three-person committee to guide the dissertation, with one member serving as chair. Normally a student’s dissertation advisor will be the chair. All three members of the committee must approve the dissertation.

When the committee approves the dissertation, the student makes a public presentation of the dissertation results. The details of place and time for dissertation presentations will be publicly posted, and any member of the University community may attend and raise questions at this exit seminar. This presentation is not an examination, but an opportunity for students to inform members of the graduate group and others about their research. Participation in the process of research dissemination is viewed as a scholarly activity.

Expected Timeline for Completing Program Milestones


Students entering the Ph.D. program in Education are expected to make timely progress toward completing their doctoral studies. We have defined timely progress in terms of several program milestones. The table below specifies the time that students should take to complete each milestone. Students are encouraged to complete program milestones sooner than indicated, but not at the expense of producing quality work.

Students who do not complete program milestones within a normal time period are considered by the GGE faculty to be at risk of not completing the program successfully and will be counseled by their advisor to help them get back on track as quickly as possible.

Program Milestone Years to Completion


MILESTONE #1: Course requirements completed, Preliminary Exam passed, & Qualifying Exam committee formed two to three years from beginning of program

MILESTONE #2: Completion of both of the following two separate steps:

• Qualifying exam completed
• Dissertation proposal approved (Advancement to Candidacy) One year past Milestone #1, not to exceed four years from beginning of program

MILESTONE #3: Dissertation completed within four years past Milestone #2, not to exceed a total of seven years in the program.

We expect students to complete each milestone within the specified period of time. We recognize, however, that students come into the program with varied backgrounds and interest, and these will be reflected in somewhat different timelines through and between program milestones. We also recognize that exceptional circumstances can make it difficult for students to complete a program milestone within the normal period of time.

Progress in completing program milestones is an important criterion in shaping faculty evaluations of student work, including evaluations for fellowship and travel support, teaching assistantships, and research assistantships. GGE faculty also look for indications of each student’s course completion record, writing and reading ability, and writing and research productivity.

Faculty members also view the PhD program as a point of entry for students into the educational research community. Evidence that students are taking some initiative in joining this community - through collegial engagement with faculty, other doctoral students, and educational researchers in other venues (conferences, associations, journals, etc.) – is regarded very favorably by faculty members, not only on its own merits but as a resource to students in developing professional skills and dispositions. Evidence that students are not engaged in collegial relations of this sort is viewed by faculty members as a liability for students who hope to complete the program successfully and in a timely manner.

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How the PhD Program Works

Program Overview

Completing your doctorate at Wharton requires 5 years of full-time study. The first 2 years in the program prepare you for admission to candidacy by taking courses, qualifying exams, and starting research projects. In the last few years, you are primarily conducting research full-time including writing and defending your doctoral dissertation.

Admission to candidacy.

You begin by taking courses required for your program of study. All programs requires a preliminary exam, which may be either oral or written.

Some programs may have further requirements, such as an additional exam or research paper. If you enter with a master’s degree or other transfer credit, you may satisfy the formal course requirements more quickly.

Beginning the Wharton PhD Curriculum How the first two years of the Wharton program helped students discover their interests, learn the tools of the profession, and fuel their passion for teaching.

The Doctoral Dissertation

Upon successful completion of coursework and passing a preliminary examination, you are admitted to candidacy for the dissertation phase of your studies.

Your doctoral dissertation should contain original research that meets standards for published scholarship in your field. You are expected to be an expert in the topic you choose to research.

You are admitted to candidacy for the dissertation phase of your studies upon successful completion of coursework and passing a preliminary examination, but you can start thinking about and working on research of relevance at any time.

The dissertation process culminates with a “defense,” in which you defend the proposal orally before your dissertation committee.

While working on your dissertation, you interact extensively with Wharton faculty. Together with interested faculty, you create your own research community that includes your dissertation advisor and dissertation committee.

Policies and Procedures

Get more detailed explanation of course requirements, academic standards, the Teacher Development Program, time limits, and dissertation procedures and requirements.

Sample Program Sequence

Years 1 & 2.

Coursework Examination Research Papers Research Activities Field-Specific Requirements

Directed Reading & Research Admission to Candidacy Formulation of Research Topic

Years 4 & 5

Continued Research Oral Examination Dissertation

Hear From Our Doctoral Community

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How Long Does It Take to Get a Ph.D. Degree?

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Earning a Ph.D. from a U.S. grad school typically requires nearly six years, federal statistics show.

(CAIAIMAGE/TOM MERTON/GETTY IMAGES)

A Ph.D. is most appropriate for someone who is a “lifelong learner.” 

Students who have excelled within a specific academic discipline and who have a strong interest in that field may choose to pursue a Ph.D. degree. However, Ph.D. degree-holders urge prospective students to think carefully about whether they truly want or need a doctoral degree, since Ph.D. programs last for multiple years.

According to the Survey of Earned Doctorates, a census of recent research doctorate recipients who earned their degree from U.S. institutions, the median amount of time it took individuals who received their doctorates in 2017 to complete their program was 5.8 years. However, there are many types of programs that typically take longer than six years to complete, such as humanities and arts doctorates, where the median time for individuals to earn their degree was 7.1 years, according to the survey.

Some Ph.D. candidates begin doctoral programs after they have already obtained master’s degrees, which means the time spent in grad school is a combination of the time spent pursuing a master’s and the years invested in a doctorate. In order to receive a Ph.D. degree, a student must produce and successfully defend an original academic dissertation, which must be approved by a dissertation committtee. Writing and defending a dissertation is so difficult that many Ph.D. students drop out of their Ph.D. programs having done most of the work necessary for degree without completing the dissertation component. These Ph.D. program dropouts often use the phrase “ all but dissertation ” or the abbreviation “ABD” on their resumes.

According to a comprehensive study of  Ph.D. completion rates  published by The Council of Graduate Schools in 2008, only 56.6% of people who begin Ph.D. programs earn Ph.D. degrees.

Ian Curtis, a founding partner with H&C Education, an educational and admissions consulting firm, who is pursuing a Ph.D. degree in French at Yale University , says there are several steps involved in the process of obtaining a Ph.D. Students typically need to fulfill course requirements and pass comprehensive exams, Curtis warns. “Once these obligations have been completed, how long it takes you to write your dissertation depends on who you are, how you work, what field you’re in and what other responsibilities you have in life,” he wrote in an email. Though some Ph.D. students can write a dissertation in a single year, that is rare, and the dissertation writing process may last for several years, Curtis says.

[ READ: What Is a Doctorate or a Doctoral Degree?  ]

Curtis adds that the level of support a Ph.D. student receives from an academic advisor or faculty mentor can be a key factor in determining the length of time it takes to complete a Ph.D. program. “Before you decide to enroll at a specific program, you’ll want to meet your future advisor,” Curtis advises. “Also, reach out to his or her current and former students to get a sense of what he or she is like to work with.”

Curtis also notes that if there is a gap between the amount of time it takes to complete a Ph.D. and the amount of time a student’s funding lasts, this can slow down the Ph.D. completion process. “Keep in mind that if you run out of funding at some point during your doctorate, you will need to find paid work, and this will leave you even less time to focus on writing your dissertation,” he says. “If one of the programs you’re looking at has a record of significantly longer – or shorter – times to competition, this is good information to take into consideration.”

Pierre Huguet, the CEO and co-founder of H&C Education, says prospective Ph.D. students should be aware that a Ph.D. is designed to prepare a person for a career as a scholar. “Most of the jobs available to Ph.D. students upon graduation are academic in nature and directly related to their fields of study: professor, researcher, etc.,” Huguet wrote in an email. “The truth is that more specialization can mean fewer job opportunities. Before starting a Ph.D., students should be sure that they want to pursue a career in academia, or in research. If not, they should make time during the Ph.D. to show recruiters that they’ve traveled beyond their labs and libraries to gain some professional hands-on experience.”

Jack Appleman, a business writing instructor, published author and Ph.D. candidate focusing on organizational communication with the  University at Albany—SUNY , says Ph.D. programs require a level of commitment and focus that goes beyond what is necessary for a typical corporate job. A program with flexible course requirements that allow a student to customize his or her curriculum based on academic interests and personal obligations is ideal, he says.

[ READ: Ph.D. Programs Get a Lot More Practical.  ]

Joan Kee, a professor at the University of Michigan  with the university’s history of art department, says that the length of time required for a Ph.D. varies widely depending on what subject the Ph.D. focuses on. “Ph.D. program length is very discipline and even field-specific; for example, you can and are expected to finish a Ph.D, in economics in under five years, but that would be impossible in art history (or most of the humanities),” she wrote in an email.

Jean Marie Carey, who earned her Ph.D. degree in art history and German from the  University of Otago  in New Zealand, encourages prospective Ph.D. students to check whether their potential Ph.D. program has published a timeline of how long it takes a Ph.D. student to complete their program. She says it is also prudent to speak with Ph.D. graduates of the school and ask about their experience.

Bennett urges prospective Ph.D. students to visit the campuses of their target graduate programs since a Ph.D. program takes so much time that it is important to find a school that feels comfortable. She adds that aspiring Ph.D. students who prefer a collaborative learning environment should be wary of graduate programs that have a cut-throat and competitive atmosphere, since such students may not thrive in that type of setting.

[ READ: 4 Fields Where Doctorates Lead to Jobs.  ]

Alumni of Ph.D. programs note that the process of obtaining a Ph.D. is arduous, regardless of the type of Ph.D. program. “A Ph.D. is a long commitment of your time, energy and financial resources, so it’ll be easier on you if you are passionate about research,” says Grace Lee, who has a Ph.D. in neuroscience and is the founder and CEO of Mastery Insights, an education and career coaching company, and the host of the Career Revisionist podcast.

“A Ph.D. isn’t about rehashing years of knowledge that is already out there, but rather it is about your ability to generate new knowledge. Your intellectual masterpiece (which is your dissertation) takes a lot of time, intellectual creativity and innovation to put together, so you have to be truly passionate about that,” Lee says.

Erin Skelly, a graduate admissions counselor at the IvyWise admissions consulting firm, says when a Ph.D. students struggles to complete his or her Ph.D. degree, it may have more to do with the student’s academic interests or personal circumstances than his or her program.

“The time to complete a Ph.D. can depend on a number of variables, but the specific discipline or school would only account for a year or two’s difference,” she wrote in an email. “When a student takes significantly longer to complete a Ph.D. (degree), it’s usually related to the student’s coursework and research – they need to take additional coursework to complete their comprehensive exams; they change the focus of their program or dissertation, requiring extra coursework or research; or their research doesn’t yield the results they hoped for, and they need to generate a new theory and conduct more research.”

Skelly warns that the average completion time of a Ph.D. program may be misleading in some cases, if the average is skewed based on one or two outliers. She suggests that instead of focusing on the duration of a particular Ph.D. program, prospective students should investigate the program’s attritition and graduation rates.

“It is worthwhile to look at the program requirements and the school’s proposed timeline for completion, and meet current students to get their input on how realistic these expectations for completion are,” Skelly says. “That can give you an honest idea of how long it will really take to complete the program.”

Searching for a grad school? Access our  complete rankings  of Best Graduate Schools.

• How Long Is a PhD Thesis?
• Doing a PhD

It’s no secret that one of the most challenging aspects of a PhD degree is the volume of work that goes into writing your thesis . So this raises the question, exactly how long is a thesis?

Unfortunately, there’s no one size fits all answer to this question. However, from the analysis of over 100 PhD theses, the average thesis length is between 80,000 and 100,000 words. A further analysis of 1000 PhD thesis shows the average number of pages to be 204 . In reality, the actual word count for each PhD thesis will depend on the specific subject and the university it is being hosted by. This is because universities set their own word length requirements, with most found to be opting for around 100,000.

To find out more about how these word limits differ between universities, how the average word count from STEM thesis differ from non-STEM thesis and a more detailed breakdown from the analysis of over 1000 PhDs, carry on reading the below.

Word Count Differences Between Universities

For any PhD student writing a thesis, they will find that their document will be subject to a word limit set by their university. In nearly all cases, the limit only concerns the maximum number of words and doesn’t place any restrictions on the minimum word limit. The reason for this is that the student will be expected to write their thesis with the aim of clearly explaining their research, and so it is up to the student to determine what he deems appropriate.

Saying this, it is well accepted amongst PhD students and supervisors that the absence of a lower limit doesn’t suggest that a thesis can be ‘light’. Your thesis will focus on several years worth of original research and explore new ideas, theories or concepts. Besides this, your thesis will need to cover a wide range of topics such as your literature review, research methodology, results and conclusion. Therefore, your examiners will expect the length of your thesis to be proportional to convey all this information to a sufficient level.

Selecting a handful of universities at random, they state the following thesis word limits on their website:

• University of Edinburgh: 100,000
• University of Exeter: 100,000
• University of Leister: 80,000
• University of Bath: 80,000
• University of Warwick: 70,000

The above universities set upper word limits that apply across the board, however, some universities, such as the University of Birmingham and the University of Sheffield, set different word limits for different departments. For example, the University of Sheffield adopts these limits:

• Arts & Humanities: 75,000
• Medicine, Dentistry & Health: 75,000
• Science: 80,000
• Social Sciences: 75,000-100,000

Although there’s a range of limit, it’s safe to say that the majority fall within the 80,000 to 100,000 bracket.

Word Count Based on Data from past Theses

A poll of 149 postdocs.

In mid-2019, Dr Eva Lantsoght, a published author, academic blogger and Structural Engineering Professor, conducted a poll which asked postgraduate doctoral students to share the length of their final thesis. 149 PostDoc students responded to the survey, with the majority reporting a length falling within the ‘80,000 – 120,000 words’ bracket as seen below.

Analysis of 1000 PhD Theses

Over a three-year time period, Dr Ian Brailsford, a then Postgraduate Learning Adviser at the University of Auckland, analysed 1000 doctoral thesis submitted to his university’s library. The PhD theses which formed the basis of his analysis were produced between 2008 to 2017 and showed:

• Average number of pages = 204
• Median number of pages = 198
• Average number of chapters = 7.6

We should note that the above metrics only cover the content falling within the main body of the thesis. This includes the introduction, literature review, methods section, results chapter, discussions and conclusions. All other sections, such as the title page, abstract, table of contents, acknowledgements, bibliography and appendices were omitted from the count.

Although it’s impossible to draw the exact word count from the number of pages alone, by using the universities recommended format of 12pt Times New Roman and 1.5 lines spacing, and assuming 10% of the main body are figures and footnotes, this equates to an average main body of 52,000 words.

STEM vs Non-STEM

As part of Dr Ian Brailsford’s analysis, he also compared the length of STEM doctorate theses to non-STEM theses. He found that STEM theses tended to be shorter. In fact, he found STEM theses to have a medium page length of 159 whilst non-STEM theses had a medium of around 223 pages. This is a 40% increase in average length!

Can You Exceed the Word Count?

Whilst most universities will allow you to go over the word count if you need to, it comes with the caveat that you must have a very strong reason for needing to do so. Besides this, your supervisor will also need to support your request. This is to acknowledge that they have reviewed your situation and agree that exceeding the word limit will be absolutely necessary to avoid detriment unnecessary detriment to your work.

This means that whilst it is possible to submit a thesis over 100,000 words or more, it’s unlikely that your research project will need to.

How Does This Compare to a Masters Dissertation?

The average Masters dissertation length is approximately 20,000 words whilst a thesis is 4 to 5 times this length at approximately 80,000 – 100,000.

The key reason for this difference is because of the level of knowledge they convey. A Master’s dissertation focuses on concluding from existing knowledge whilst a PhD thesis focuses on drawing a conclusion from new knowledge. As a result, the thesis is significantly longer as the new knowledge needs to be well documented so it can be verified, disseminated and used to shape future research.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

Related Reading

Unfortunately, the completion of your thesis doesn’t mark the end of your degree just yet. Once you submit your thesis, it’s time to start preparing for your viva – the all-to-fun thesis defence interview! To help you prepare for this, we’ve produced a helpful guide which you can read here: The Complete Guide to PhD Vivas.

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How long is a PhD? – PhD length overview

A PhD is the highest degree a person can achieve in a specific field. To earn a PhD, the student must show academic and research mastery in their subject. Doctorate programs are very rigorous and often take several years to complete. In the US, an average PhD student will take a little over 8 years to complete their program. The length of a PhD program depends on many factors:

• Subject: What is the field of study of the PhD?
• Time Commitment: Full-time or part-time?
• Previous experience: Has the student completed related coursework in the past?
• Location: Where is the student completing the PhD?
• Other: demographics, program focus (research vs. professional), etc.

Fields of study are a crucial factor when making projections on the length of a PhD program. According to the 2018 Doctorate Recipients from US Universities Report [1], on average, the duration of a PhD in the US is 8.6 years. Doctorate programs in Physical Sciences or Statistics were the shortest with an average completion time of 6.9 years. The second quickest was Engineering, with an average length of 7.3 years. On the other hand, PhD degrees in Education took an average of 14.7 years to complete.

If you would like more information about time to degree for other majors, you can find a link to the 2018 Doctorate Recipients from US Universities Report on the resource section below.

Time Commitment

When pursuing a PhD in the US, students are usually completing a combined Masters plus PhD program. First, they complete related coursework during the first 2-3 years. Then, they continue the program by diving into the research world.

There are many ways to complete a PhD. Some students drop their current job and become a full-time student. Others decide to commit to the program on a part-time basis, in some cases, due to family or work obligations. Some students even consider completing an online degree. Online programs allow them to work at their own pace, avoid moving from their current location, and avoid long commutes.

There is no definite rule between how long a student takes to complete a PhD and their time commitment: full-time or part-time. In general, a student taking half of the course load will take many years (4 years instead of 2) just to complete the academics of their program. Also, considering doctorate programs take almost a decade to finish, life can get on the way. Some graduate students will have to switch their time commitment back and forth and adapt it to their personal situation.

A crucial factor that influences the individual’s time commitment to a doctorate program is funding. Unfortunately, some PhD students never earn enough funding to cover their tuition and living expenses. Therefore, they must apply for student loans or work on the side.

Previous Experience

In the US, the vast majority of PhD programs accept applicants that just finished a Bachelor’s degree. It is not required to complete a Master’s to get accepted into a PhD program. However, it will make a difference in the overall length of the program.

Incoming students entering the program with a Bachelor’s degree must complete the full doctorate program without exception. The program entails 2-3 years of coursework and several years of research to complete a dissertation. These incoming students must complete all the coursework and pass qualifying exams. Once the student has passed the qualifying exams, then their primary focus is research.

Other incoming students have previously completed a Master’s degree in the same field of study. In this case, the university can convalidate part of their coursework and streamline the coursework requirements. However, this is not always guaranteed and depends on the institution. A factor to keep in mind is that universities are more likely to convalidate courses if the degree was awarded recently. Due to their previously acquired knowledge, students with a Master’s degree can be ready to pass the qualifying examinations earlier. Then, they shorten the classroom portion of their program and continue to the research portion.

If the incoming student has been awarded a Master’s degree in another field of study, then it will be difficult to convalidate courses. However, there are some exceptions with related fields such as marketing and business administration or physics and mathematics.

The statistics mentioned in this article are based in the US. But, there are prestigious doctorate programs all over the world. The location where a student pursues a doctorate can also influence the overall length of their program. For example, PhD programs in Europe tend to be shorter than in the US. Yet, they might require a Master’s degree for admissions.

Final Thoughts

Even though it takes most students almost a decade to complete a PhD, many are eager to pursue these programs. In 2018, 55,000 [1] PhD degrees were awarded in the US. And, the general trend shows an increase in incoming and graduating PhD students over the years.

Pursuing a PhD is an academic, mental, and personal challenge. Doing the appropriate research is the first step towards getting accepted and completing a doctorate. Students are more likely to complete their degree if they have reliable funding from the university, support from their family, and are content with where they live. If you are considering applying for a PhD program, we have several articles that can help you with your research. These two articles will help you get you started: “ Finding the right PhD program ” and “ How to get into a PhD program ?”. The first goal towards earning a PhD should be getting accepted into the right PhD program. One that matches your goals and meets your funding and completion time expectations.

Find the Right Ph.D. Program: Main Considerations (including funding)

How to get into a Ph.D. program? 7 crucial steps to success

[1] https://ncses.nsf.gov/pubs/nsf20301/report

[2] https://academicpositions.com/career-advice/phd-in-europe-or-the-us

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How Long Does It Take to Get a PhD in Psychology?

Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

Emily is a board-certified science editor who has worked with top digital publishing brands like Voices for Biodiversity, Study.com, GoodTherapy, Vox, and Verywell.

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• How Long Will It Take?

Before You Earn PhD in Psychology

Which type of degree should you get, can you finish your degree early.

Just how long does it take to get a PhD in psychology? The answer can vary depending on your program, educational background, and academic schedule. In general, most PhD psychology programs take anywhere from five to seven years to complete.

Learning more about what it takes to get a doctorate in psychology can help you better plan your educational and career journey.

At a Glance

Getting a PhD in psychology can take several years of graduate study. If you are thinking about becoming a psychologist, research your degree options to figure out what type of degree you need and how long it will take to enter your chosen profession. No matter what you decide, plan to spend anywhere from three to seven years in graduate school to earn a doctorate.

How Long Will It Take to Get a Doctorate Degree?

How long it takes to get a doctorate in psychology depends on various factors, including the type of degree you have selected, your educational background, and the individual doctorate program in which you have enrolled.

Most doctorate programs in psychology take between four to seven years to complete.

PhD in Psychology

Most PhD programs require at least five to seven years to complete. These programs often follow a scientist-practitioner model that trains professionals both in research and clinical practice.

In addition to regular coursework, you may also be expected to complete an internship or supervised residency. The program usually culminates in completing an original research project or dissertation.

PsyD Degree

Most PsyD programs require between four to six years to complete. A PsyD is a degree designed to train professionals to apply psychological knowledge to treating and helping people in real-world settings.

According to the American Psychological Association, PsyD programs focus more on applying psychological science, usually in the form of service.  

Most EdD programs require between three to five years to complete. EdD programs are often focused on psychology, counseling, or counselor education. They explore topics that involve both education and psychology.

It is important to note that many applicants to EdD programs already hold a master's degree in a related field. This differs from applicants to PhD and PsyD programs, who often begin their program of study with a bachelor's degree.

Before you begin your academic journey, it is a good idea to look at just how long it will take you to complete your degree. The amount of time it will take can depend upon various factors, including:

• Your chosen specialty area
• The program you select
• The course load you can take each semester

A doctorate-level degree in psychology is required to work in many job areas, including as a licensed clinical psychologist or counseling psychologist. According to the American Psychological Association, a doctorate degree is also often required in fields such as school psychology or health psychology .

So how long does it take to get a PhD in Psychology ? First, it is essential to realize that the degree requirements can vary depending on the field that you decide to pursue. A PhD, or Doctor of Philosophy degree is not necessarily your only option. In some cases, you might want also to consider the PsyD (Doctor of Psychology) or the EdD (Doctor of Education) degree options.

The PhD, PsyD, and EdD are all great options, but don't let how long it takes to complete be the primary deciding factor. Before you decide to get a doctorate degree, start by deciding which type of degree is most suited to your professional goals.

If you want to conduct research:

A PhD in Psychology tends to focus on a research-based model of education. People with a PhD in Psychology are qualified for a wide range of teaching, research, and clinical positions in colleges, universities, hospitals, government offices, and private mental health practices.

If you want to treat mental health issues:

The PsyD degree option generally focuses on a practitioner-based model of education. Individuals with a PsyD degree can also teach or conduct psychology research, but they frequently work in applied settings to provide direct mental health services.

If you want to apply psychology to help students:

Finally, there is also a third doctorate option that you might also want to consider depending on your career goals. If you are interested in working as a school psychologist or in a related educational field, the EdD, or Doctor of Education, is a possible option.

Despite the years of work, earning your PhD, PsyD, or EdD can be well worth the effort. The U.S. Bureau of Labor Statistics suggests that workers with a doctoral or education specialist degree in clinical, counseling, and school psychology will find the strongest job opportunities.

Generally, if you have a strong background in psychology and have completed all of the necessary prerequisites, you can finish your doctorate sooner than students who have not taken the prerequisite courses.

Carefully planning your degree can also help ensure you complete the program requirements quickly.

Be sure you have a clear idea of what you want to do with your psychology degree once you've completed it. Do you want to teach, or is research more appealing to you? Are you interested in seeing clients, or are you planning to combine your training in psychology with another field, such as law or medicine?

If you need help deciding, make an important with an academic advisor at your school. They can help you explore your options and answer any questions you may have.

What This Means For You

No matter the degree you decide to pursue, earning a doctorate in psychology requires a significant investment of time, money, and effort. Because of this, it is essential to carefully consider your goals before deciding on a graduate program. You should also think about whether you need a doctorate or if a master's might be more appropriate.

Gee DG, DeYoung KA, McLaughlin KA, et al. Training the next generation of clinical psychological scientists: A data-driven call to action .  Annu Rev Clin Psychol . 2022;18:43-70. doi:10.1146/annurev-clinpsy-081219-092500

Loyola University. Can I get my Psy.D. without a Master's in Psychology?

American Psychological Association. Doctoral degrees in psychology: How are they different, or not so different ?

Franklin University. Is getting a Doctorate in Education worth it?

American Psychological Association. Frequently asked questions about graduate school .

Bureau of Labor Statistics. Psychologists . Occupational Outlook Handbook .

Carr, A. Clinical Psychology: An Introduction . London: Routledge; 2012.

Kuther, TL. The Psychology Major's Handbook . Boston, MA: Cengage Learning; 2016.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

• Public Policy
• Introduction

Harvard Griffin GSAS strives to provide students with timely, accurate, and clear information. If you need help understanding a specific policy, please contact the office that administers that policy.

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Questions about these requirements? See the contact info at the bottom of the page. 

The Public Policy PhD is awarded by the Harvard Kenneth C. Griffin Graduate School of Arts and Sciences but is administered by the Higher Committee on Public Policy.  Students enroll in one of four tracks: Economics, Judgment and Decision Making, Politics and Institutions, or Science, Technology and Policy.

The Economics track in the PhD program in Public Policy provides a curriculum for doctoral students seeking rigorous disciplinary training, with a focus on applying the tools of economics to the study of major public policy issues.  Graduates will be prepared for academic teaching and research positions in schools of public policy, economics and other disciplinary departments, as well as policy positions in national governments and international institutions. HKS has a strong core of faculty specializing in a diverse range of subfields of economics, including labor, public and applied microeconomics topics, behavioral economics and decision sciences, environmental economics, international trade, economic development, and other subjects. The program embeds formal economics training within a unique interdisciplinary atmosphere of scholars and practitioners who are working on problems of practice in a wide range of settings. In addition, the PhD program offers teaching and research opportunities for students with leading scholars at HKS and elsewhere at Harvard.

Judgment and Decision Making

The judgment and decision-making track in the PhD program in Public Policy provides a curriculum for doctoral students seeking rigorous interdisciplinary training in psychological science, behavioral economics, and decision science, with a focus on understanding and improving public policy.  A typical program of study includes emphasis on descriptive and normative approaches as well as prescriptive interventions. Graduates will be prepared for academic teaching and research positions in public policy schools, interdisciplinary programs (e.g., management, decision science), and traditional behavioral science departments (e.g., psychology), as well as for analytic positions in industry, think tanks, government, and international institutions.  HKS has a strong core of faculty specializing in judgment and decision-making research as well as faculty specializing in applied policy domains where students may wish to focus.  Intrinsic to the program are teaching and research opportunities with leading scholars at HKS and elsewhere at Harvard.

Politics and Institutions

The Politics and Institutions track provides a curriculum for students interested in a rigorous program of study and research on international or domestic politics and institutions as these issues relate to major public policy issues in the U.S. and around the world.   Graduates will be prepared for academic research and teaching positions in schools of public policy and disciplinary departments such as, but not limited to, political science and history, as well as policy positions in national governments, research centers, and international institutions.  HKS offers a strong cadre of faculty across multiple social science disciplines specializing in politics and institutions, renowned and dynamic research centers, and a unique interdisciplinary atmosphere of scholars and practitioners with expertise in diverse fields. In addition to research opportunities with leading scholars, the PhD program offers training in teaching as well as in public policy writing and communication.

Science, Technology and Policy Studies

The Science, Technology and Policy Studies track provides rigorous interdisciplinary training, drawing on methodological tools from science and technology policy, science and technology studies, policy analysis, political theory, law, and economics. At HKS, students have access to leading scholars from across Harvard in the social sciences, natural sciences, and engineering, with specialties in areas such as security studies, energy policy, innovation and development, environment and climate, biotechnology, data science, and information. The HKS faculty includes practitioners with wide experience at the highest levels of government and industry in science and technology policy. Graduates are qualified for academic teaching and research in public policy schools, interdisciplinary programs, and traditional social science departments, as well as for leadership positions in national and international science and technology policy in both the public and private sectors.

The First Two Years

Students are expected to complete required coursework and sit for the oral general examination. Approval to take the oral examination is predicated on successful completion of the required courses with requisite grades.

Credit for coursework done elsewhere is not granted. There is no language requirement.  Each track has specific course requirements, outlined below: 

Economics 

• Two courses in microeconomics theory (Economics 2020a and Economics 2020b) 
• One course in political theory 
• One course in analytical methods, or completion of a qualifying exam 
• Two courses in empirical methods 
• Two doctoral research seminars (API 901 and API 902)

Judgment and Decision Making   

• Two courses in economic theory 
• One course in normative theory 
• Three courses in empirical methods 

Politics and Institutions 

• Two courses in political theory 
• One course in analytical methods 

Science, Technology and Policy 

• Two courses in analytical methods 
• One course in empirical methods 
• Two doctoral research seminars (API 901 and API 902) 

Incompletes

In order to convert a grade of Incomplete to a letter grade, the student must complete the requisite coursework by the end of the term following that in which the course was taken. No grade of Incomplete can be used to satisfy any program requirement.

Teaching is not required. A maximum of sixteen term-fifths over a period of five years is permitted. During the third year, a combination of teaching and research, not to exceed three-fifths TIME, is recommended.

First Two Years

Students are assigned an advisor, taking into account each student’s stated research interests at the time of admission. If the research focus changes, students are encouraged to seek out new advisors on their own; however, the director of graduate studies will intervene as needed to facilitate new links to different faculty.

The major effort expended during the first two years is on coursework. By the end of the second year, students are expected to affiliate with a research center at either HKS or FAS. Research assistantships and, in some cases, teaching fellowships often lead to a close relationship with a faculty member that will develop into an official advisor/advisee role.

The primary hurdle of the third year is completion of the dissertation prospectus (which may be a paper or a slide deck), and an oral presentation of either one chapter, (or one paper and an executive summary of the second and third papers, in the case of a three-paper dissertation), to two members of the dissertation committee. A copy of the prospectus, with written approval from both advisors, is then submitted to the program office by the beginning of the fourth year. In addition, students must complete the PhD Research Seminar (API 902), where work in progress on the dissertation is presented.

Fourth Year

By the beginning of the fourth year, all students must have chosen two members of the dissertation committee. The dissertation committee will include at least three faculty members. Affiliations of these faculty members will include one member of the PhD Standing Committee, one HKS-appointed faculty member, and one Harvard Griffin GSAS-appointed faculty member.

Field Requirements and Qualifying Examinations

In order to advance to PhD candidacy, a student must demonstrate PhD-level proficiency in six areas: analytic methods; economics; politics and management and normative theory; quantitative empirical methods; advanced methodology; and a special field of the student’s election. Students must complete at least two PhD-level courses in a primary field and the secondary field.

The purpose of the primary and secondary field requirement is to establish a solid foundation for future research. Students should seek PhD-level courses that broaden and deepen their knowledge in a special field. Since many HKS courses and seminars are targeted toward practitioners rather than scholars, at least part of the special field work will normally be done at Harvard Griffin GSAS (in courses at the 2000-level), or at other graduate units outside the HKS. A plan of study that includes the syllabus for each proposed course in the special field must be submitted to the program office for approval. Only in exceptional circumstances (where, for example, the field of one’s research is not well developed), will the PhD committee grant a petition to substitute a Reading and Research course for a normal course.

General Oral Examination

The general oral examination determines whether the student has sufficient grounding in the literatures of the primary and secondary fields. More broadly, the exam provides an assessment of the student’s academic preparation and aptitude, as well as the student’s interest in and prospects for a successful career after completion of the PhD.

In the middle of the second year the student identifies a primary and secondary field critical to the dissertation research, and works with two faculty examiners confirmed by the director of graduate study. The student meets with the examiners to agree on the nature and scope of the fields and develops a reading list that provides adequate coverage of the fields. The exam is scheduled before the beginning of the third year.

Dissertation

The candidate is required to demonstrate their ability to perform original research in an area of public policy by writing a dissertation that represents a significant contribution to knowledge in that field. Three faculty members supervise the writing of the dissertation. One member of the committee must come from the HKS. The other two must come from a combination of the Harvard Griffin GSAS and the PhD committee.

Note: A member of the Committee on Higher Degrees in Public Policy may represent the Harvard Griffin GSAS at a dissertation defense.

A prospective fifth year, or more advanced, student must have produced at least one acceptable chapter of the dissertation each year beginning in the fifth year. This chapter must be submitted to the dissertation committee for its approval. Evidence of satisfactory progress may also include manuscripts submitted for publication, or abstracts of papers delivered at professional meetings, or other evidence as specified by the dissertation committee chair.

A dissertation may be written in book form or it may take the form of three publishable papers. Two papers may be co-authored. The job market paper must be single-authored.

Details on the format of the PhD dissertation are published in the Policies . 

Dissertation Defense

After the candidate has met all other degree requirements, they must pass an oral examination focused on the dissertation. This examination is given when the final draft of the dissertation has been completed. Dissertation examiners will normally include the three supervisors of the dissertation. The purpose of this examination is to assure the committee that the methodology and basic approach of the dissertation are sound and that the student has received critical advice at the most appropriate stage of their advanced research. The dissertation must be accepted before the formal application for the degree can be activated. The dissertation defense is ordinarily open to the public.

Length of Time to Degree

Average time to completion of the PhD is five years. Except by special vote of the committee, all work for the PhD degree must be completed within five years of completion of the general written and oral examinations.

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Tips for writing a PhD dissertation: FAQs answered

From how to choose a topic to writing the abstract and managing work-life balance through the years it takes to complete a doctorate, here we collect expert advice to get you through the PhD writing process

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Embarking on a PhD is “probably the most challenging task that a young scholar attempts to do”, write Mark Stephan Felix and Ian Smith in their practical guide to dissertation and thesis writing. After years of reading and research to answer a specific question or proposition, the candidate will submit about 80,000 words that explain their methods and results and demonstrate their unique contribution to knowledge. Here are the answers to frequently asked questions about writing a doctoral thesis or dissertation.

What’s the difference between a dissertation and a thesis?

Whatever the genre of the doctorate, a PhD must offer an original contribution to knowledge. The terms “dissertation” and “thesis” both refer to the long-form piece of work produced at the end of a research project and are often used interchangeably. Which one is used might depend on the country, discipline or university. In the UK, “thesis” is generally used for the work done for a PhD, while a “dissertation” is written for a master’s degree. The US did the same until the 1960s, says Oxbridge Essays, when the convention switched, and references appeared to a “master’s thesis” and “doctoral dissertation”. To complicate matters further, undergraduate long essays are also sometimes referred to as a thesis or dissertation.

The Oxford English Dictionary defines “thesis” as “a dissertation, especially by a candidate for a degree” and “dissertation” as “a detailed discourse on a subject, especially one submitted in partial fulfilment of the requirements of a degree or diploma”.

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The title “doctor of philosophy”, incidentally, comes from the degree’s origins, write Dr Felix, an associate professor at Mahidol University in Thailand, and Dr Smith, retired associate professor of education at the University of Sydney , whose co-authored guide focuses on the social sciences. The PhD was first awarded in the 19th century by the philosophy departments of German universities, which at that time taught science, social science and liberal arts.

How long should a PhD thesis be?

A PhD thesis (or dissertation) is typically 60,000 to 120,000 words ( 100 to 300 pages in length ) organised into chapters, divisions and subdivisions (with roughly 10,000 words per chapter) – from introduction (with clear aims and objectives) to conclusion.

The structure of a dissertation will vary depending on discipline (humanities, social sciences and STEM all have their own conventions), location and institution. Examples and guides to structure proliferate online. The University of Salford , for example, lists: title page, declaration, acknowledgements, abstract, table of contents, lists of figures, tables and abbreviations (where needed), chapters, appendices and references.

A scientific-style thesis will likely need: introduction, literature review, materials and methods, results, discussion, bibliography and references.

As well as checking the overall criteria and expectations of your institution for your research, consult your school handbook for the required length and format (font, layout conventions and so on) for your dissertation.

A PhD takes three to four years to complete; this might extend to six to eight years for a part-time doctorate.

What are the steps for completing a PhD?

Before you get started in earnest , you’ll likely have found a potential supervisor, who will guide your PhD journey, and done a research proposal (which outlines what you plan to research and how) as part of your application, as well as a literature review of existing scholarship in the field, which may form part of your final submission.

In the UK, PhD candidates undertake original research and write the results in a thesis or dissertation, says author and vlogger Simon Clark , who posted videos to YouTube throughout his own PhD journey . Then they submit the thesis in hard copy and attend the viva voce (which is Latin for “living voice” and is also called an oral defence or doctoral defence) to convince the examiners that their work is original, understood and all their own. Afterwards, if necessary, they make changes and resubmit. If the changes are approved, the degree is awarded.

The steps are similar in Australia , although candidates are mostly assessed on their thesis only; some universities may include taught courses, and some use a viva voce. A PhD in Australia usually takes three years full time.

In the US, the PhD process begins with taught classes (similar to a taught master’s) and a comprehensive exam (called a “field exam” or “dissertation qualifying exam”) before the candidate embarks on their original research. The whole journey takes four to six years.

A PhD candidate will need three skills and attitudes to get through their doctoral studies, says Tara Brabazon , professor of cultural studies at Flinders University in Australia who has written extensively about the PhD journey :

• master the academic foundational skills (research, writing, ability to navigate different modalities)
• time-management skills and the ability to focus on reading and writing
• determined motivation to do a PhD.

How do I choose the topic for my PhD dissertation or thesis?

It’s important to find a topic that will sustain your interest for the years it will take to complete a PhD. “Finding a sustainable topic is the most important thing you [as a PhD student] would do,” says Dr Brabazon in a video for Times Higher Education . “Write down on a big piece of paper all the topics, all the ideas, all the questions that really interest you, and start to cross out all the ones that might just be a passing interest.” Also, she says, impose the “Who cares? Who gives a damn?” question to decide if the topic will be useful in a future academic career.

The availability of funding and scholarships is also often an important factor in this decision, says veteran PhD supervisor Richard Godwin, from Harper Adams University .

Define a gap in knowledge – and one that can be questioned, explored, researched and written about in the time available to you, says Gina Wisker, head of the Centre for Learning and Teaching at the University of Brighton. “Set some boundaries,” she advises. “Don’t try to ask everything related to your topic in every way.”

James Hartley, research professor in psychology at Keele University, says it can also be useful to think about topics that spark general interest. If you do pick something that taps into the zeitgeist, your findings are more likely to be noticed.

You also need to find someone else who is interested in it, too. For STEM candidates , this will probably be a case of joining a team of people working in a similar area where, ideally, scholarship funding is available. A centre for doctoral training (CDT) or doctoral training partnership (DTP) will advertise research projects. For those in the liberal arts and social sciences, it will be a matter of identifying a suitable supervisor .

Avoid topics that are too broad (hunger across a whole country, for example) or too narrow (hunger in a single street) to yield useful solutions of academic significance, write Mark Stephan Felix and Ian Smith. And ensure that you’re not repeating previous research or trying to solve a problem that has already been answered. A PhD thesis must be original.

What is a thesis proposal?

After you have read widely to refine your topic and ensure that it and your research methods are original, and discussed your project with a (potential) supervisor, you’re ready to write a thesis proposal , a document of 1,500 to 3,000 words that sets out the proposed direction of your research. In the UK, a research proposal is usually part of the application process for admission to a research degree. As with the final dissertation itself, format varies among disciplines, institutions and countries but will usually contain title page, aims, literature review, methodology, timetable and bibliography. Examples of research proposals are available online.

How to write an abstract for a dissertation or thesis

The abstract presents your thesis to the wider world – and as such may be its most important element , says the NUI Galway writing guide. It outlines the why, how, what and so what of the thesis . Unlike the introduction, which provides background but not research findings, the abstract summarises all sections of the dissertation in a concise, thorough, focused way and demonstrates how well the writer understands their material. Check word-length limits with your university – and stick to them. About 300 to 500 words is a rough guide ­– but it can be up to 1,000 words.

The abstract is also important for selection and indexing of your thesis, according to the University of Melbourne guide , so be sure to include searchable keywords.

It is the first thing to be read but the last element you should write. However, Pat Thomson , professor of education at the University of Nottingham , advises that it is not something to be tackled at the last minute.

How to write a stellar conclusion

As well as chapter conclusions, a thesis often has an overall conclusion to draw together the key points covered and to reflect on the unique contribution to knowledge. It can comment on future implications of the research and open up new ideas emanating from the work. It is shorter and more general than the discussion chapter , says online editing site Scribbr, and reiterates how the work answers the main question posed at the beginning of the thesis. The conclusion chapter also often discusses the limitations of the research (time, scope, word limit, access) in a constructive manner.

It can be useful to keep a collection of ideas as you go – in the online forum DoctoralWriting SIG , academic developer Claire Aitchison, of the University of South Australia , suggests using a “conclusions bank” for themes and inspirations, and using free-writing to keep this final section fresh. (Just when you feel you’ve run out of steam.) Avoid aggrandising or exaggerating the impact of your work. It should remind the reader what has been done, and why it matters.

How to format a bibliography (or where to find a reliable model)

Most universities use a preferred style of references , writes THE associate editor Ingrid Curl. Make sure you know what this is and follow it. “One of the most common errors in academic writing is to cite papers in the text that do not then appear in the bibliography. All references in your thesis need to be cross-checked with the bibliography before submission. Using a database during your research can save a great deal of time in the writing-up process.”

A bibliography contains not only works cited explicitly but also those that have informed or contributed to the research – and as such illustrates its scope; works are not limited to written publications but include sources such as film or visual art.

Examiners can start marking from the back of the script, writes Dr Brabazon. “Just as cooks are judged by their ingredients and implements, we judge doctoral students by the calibre of their sources,” she advises. She also says that candidates should be prepared to speak in an oral examination of the PhD about any texts included in their bibliography, especially if there is a disconnect between the thesis and the texts listed.

Can I use informal language in my PhD?

Don’t write like a stereotypical academic , say Kevin Haggerty, professor of sociology at the University of Alberta , and Aaron Doyle, associate professor in sociology at Carleton University , in their tongue-in-cheek guide to the PhD journey. “If you cannot write clearly and persuasively, everything about PhD study becomes harder.” Avoid jargon, exotic words, passive voice and long, convoluted sentences – and work on it consistently. “Writing is like playing guitar; it can improve only through consistent, concerted effort.”

Be deliberate and take care with your writing . “Write your first draft, leave it and then come back to it with a critical eye. Look objectively at the writing and read it closely for style and sense,” advises THE ’s Ms Curl. “Look out for common errors such as dangling modifiers, subject-verb disagreement and inconsistency. If you are too involved with the text to be able to take a step back and do this, then ask a friend or colleague to read it with a critical eye. Remember Hemingway’s advice: ‘Prose is architecture, not interior decoration.’ Clarity is key.”

How often should a PhD candidate meet with their supervisor?

Since the PhD supervisor provides a range of support and advice – including on research techniques, planning and submission – regular formal supervisions are essential, as is establishing a line of contact such as email if the candidate needs help or advice outside arranged times. The frequency varies according to university, discipline and individual scholars.

Once a week is ideal, says Dr Brabazon. She also advocates a two-hour initial meeting to establish the foundations of the candidate-supervisor relationship .

The University of Edinburgh guide to writing a thesis suggests that creating a timetable of supervisor meetings right at the beginning of the research process will allow candidates to ensure that their work stays on track throughout. The meetings are also the place to get regular feedback on draft chapters.

“A clear structure and a solid framework are vital for research,” writes Dr Godwin on THE Campus . Use your supervisor to establish this and provide a realistic view of what can be achieved. “It is vital to help students identify the true scientific merit, the practical significance of their work and its value to society.”

How to proofread your dissertation (what to look for)

Proofreading is the final step before printing and submission. Give yourself time to ensure that your work is the best it can be . Don’t leave proofreading to the last minute; ideally, break it up into a few close-reading sessions. Find a quiet place without distractions. A checklist can help ensure that all aspects are covered.

Proofing is often helped by a change of format – so it can be easier to read a printout rather than working off the screen – or by reading sections out of order. Fresh eyes are better at spotting typographical errors and inconsistencies, so leave time between writing and proofreading. Check with your university’s policies before asking another person to proofread your thesis for you.

As well as close details such as spelling and grammar, check that all sections are complete, all required elements are included , and nothing is repeated or redundant. Don’t forget to check headings and subheadings. Does the text flow from one section to another? Is the structure clear? Is the work a coherent whole with a clear line throughout?

Ensure consistency in, for example, UK v US spellings, capitalisation, format, numbers (digits or words, commas, units of measurement), contractions, italics and hyphenation. Spellchecks and online plagiarism checkers are also your friend.

How do you manage your time to complete a PhD dissertation?

Treat your PhD like a full-time job, that is, with an eight-hour working day. Within that, you’ll need to plan your time in a way that gives a sense of progress . Setbacks and periods where it feels as if you are treading water are all but inevitable, so keeping track of small wins is important, writes A Happy PhD blogger Luis P. Prieto.

Be specific with your goals – use the SMART acronym (specific, measurable, attainable, relevant and timely).

And it’s never too soon to start writing – even if early drafts are overwritten and discarded.

“ Write little and write often . Many of us make the mistake of taking to writing as one would take to a sprint, in other words, with relatively short bursts of intense activity. Whilst this can prove productive, generally speaking it is not sustainable…In addition to sustaining your activity, writing little bits on a frequent basis ensures that you progress with your thinking. The comfort of remaining in abstract thought is common; writing forces us to concretise our thinking,” says Christian Gilliam, AHSS researcher developer at the University of Cambridge ’s Centre for Teaching and Learning.

Make time to write. “If you are more alert early in the day, find times that suit you in the morning; if you are a ‘night person’, block out some writing sessions in the evenings,” advises NUI Galway’s Dermot Burns, a lecturer in English and creative arts. Set targets, keep daily notes of experiment details that you will need in your thesis, don’t confuse writing with editing or revising – and always back up your work.

What work-life balance tips should I follow to complete my dissertation?

During your PhD programme, you may have opportunities to take part in professional development activities, such as teaching, attending academic conferences and publishing your work. Your research may include residencies, field trips or archive visits. This will require time-management skills as well as prioritising where you devote your energy and factoring in rest and relaxation. Organise your routine to suit your needs , and plan for steady and regular progress.

How to deal with setbacks while writing a thesis or dissertation

Have a contingency plan for delays or roadblocks such as unexpected results.

Accept that writing is messy, first drafts are imperfect, and writer’s block is inevitable, says Dr Burns. His tips for breaking it include relaxation to free your mind from clutter, writing a plan and drawing a mind map of key points for clarity. He also advises feedback, reflection and revision: “Progressing from a rough version of your thoughts to a superior and workable text takes time, effort, different perspectives and some expertise.”

“Academia can be a relentlessly brutal merry-go-round of rejection, rebuttal and failure,” writes Lorraine Hope , professor of applied cognitive psychology at the University of Portsmouth, on THE Campus. Resilience is important. Ensure that you and your supervisor have a relationship that supports open, frank, judgement-free communication.

If you would like advice and insight from academics and university staff delivered direct to your inbox each week, sign up for the Campus newsletter .

Authoring a PhD Thesis: How to Plan, Draft, Write and Finish a Doctoral Dissertation (2003), by Patrick Dunleavy

Writing Your Dissertation in Fifteen Minutes a Day: A Guide to Starting, Revising, and Finishing Your Doctoral Thesis (1998), by Joan Balker

Challenges in Writing Your Dissertation: Coping with the Emotional, Interpersonal, and Spiritual Struggles (2015), by Noelle Sterne

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Trapped in dissertation revisions?

How long is a dissertation, published by steve tippins on april 9, 2019 april 9, 2019.

Last Updated on: 2nd February 2024, 05:03 am

How long is a dissertation? This is a question that almost every doctoral student asks at some point. It is not a new question–in fact, it’s been asked every time a paper of some sort is assigned in any class.

The simple answer (for any paper) is, “long enough to answer the question.” Not a really helpful answer, but satisfying from a professor’s perspective.

The truth is, there is no one answer to how long a dissertation is. I can’t say 146 pages is what’s needed, as you may write to page 146 and stop without fully exploring your topic. 90 pages could adequately address your research question, or you could write 200 pages and still not fully answer what you set out to. Every topic is unique, as is each person’s writing style.

Some websites even give specific answers that are simply inaccurate. In my experience, dissertations vary too much to be pinned down like that.

However, there are some practical suggestions I can make about how long your dissertation should be, how to adequately address the requirements of each section, as well as how to expand or reduce the length of specific chapters according to your needs. I’ll explore these below.

But first, let’s try and at least give the beginning of an answer to the question “how long is a dissertation?”

Marcus Beck Sets Out to Answer “How Long Is A Dissertation?”

Any discussion of dissertation length must include the work done by Marcus Beck . As a way to distract himself from his own dissertation writing, Beck calculated the average length of dissertations in the University of Minnesota database.

You can see from looking at his data that average length varies by discipline. So the first answer to how long a dissertation is, is that it depends upon what area you are writing your dissertation. It appears that a dissertation in History will be much longer, on average, than one in Chemistry. He also calculated the average across all disciplines.

Don’t be intimidated by how long the average dissertation is.

Many people look at the average length of a dissertation and get intimidated by the high page count. But, as Marcus Beck says in his blog post, “The actual written portion may only account for less than 50% of the page length.”

I’ve found this to be true. References, appendixes, tables and figures, page breaks, and white space all contribute to the high page count. The actual number of words you need to write is likely considerably less than the page count initially implies.

How Long Should My Dissertation Be?

Even though there’s no single answer about how long a dissertation should be, there probably is an ideal range which your dissertation falls into. This depends on your topic of research, but also on other factors. I’ll discuss some of these below.

Institutional Guidelines

I know of schools that have policies such as “Chapter 2 must be at least 40 pages long and no more than 60 pages.” Why this type of requirement? In my mind, there are two reasons.

First, they want to give some sort of guideline for students that is helpful but does not overburden faculty (a 230-page lit review is daunting to read).

Second, credibility is important. An 8-page lit review does not reflect well upon the student or the institution.

Most schools now have a dissertation template with the headings that are needed for most sections. If you take the time to completely fill in the headings with all of the relevant information, you should come up with an adequate number of pages. Remember, in academic writing, we don’t leave much to chance, we tell the reader everything.

Committee Preferences

It is likely that you will get a committee member who will give you priceless advice such as, “more is needed here.” When you get this type of comment it can be frustrating as specific feedback can be much more helpful.

Usually, what a committee member means by comments like this is that you haven’t really convinced the reader that you have fully explored the area or demonstrated a strong understanding of the material. So, expand what you are saying. Don’t imply anything, state it directly. This lets your committee know that you really do get it.

Sometimes you will get committee members giving contradictory advice. One member may want more information and another may want less. My first piece of advice is to negotiate these types of requests through your Chairperson.

This is where your Chair’s experience and guidance can be very helpful. Second, if a member really wants material included but others do not think it is very helpful, then adding the material in an appendix may make everyone happy.

Practical Suggestions For Dissertation Length, Chapter-By-Chapter

If you adequately and succinctly address each required section, you should end up with the right length for each chapter (and therefore, a dissertation of the right length). I’ll also give some rough guidelines on average page length where appropriate.

This is the introduction to your study. It is important to lay out the agenda for your research. Be sure that your problem statement, title, and research questions are in alignment (all referring to the same idea).

Chapter 1 tends to average in the 15-25 page range. If you get beyond 25 pages, you are usually including material that is better presented elsewhere in the dissertation.

Chapter 2 should thoroughly explore the existing research on your topic. However, it shouldn’t go on and on.

• If you are looking to beef up Chapter 2, it is always helpful to add research that supports the methodology that you are planning to use.
• If the chapter is too long, try to reduce the references you cite to those that are the most relevant and recent.

Make sure that you tell the reader what you did and how you did it. What type of analysis did you use and why? How many respondents were involved and how did you find them? The idea is to make sure that readers understand what you did and could replicate it if they want to.

As this is a plan for your research, it seems to naturally fall in the 15 to 20 page range.

The results of your study are presented here. Include all material that will help the reader understand what you found. There is a tendency to inundate the reader with tables, charts, and graphs. If they don’t directly relate to what you found or are redundant they can be included in an appendix. You don’t want to lose your reader in an avalanche of tables and numbers.

In most dissertations, it is Chapter 5 where you get to explain what the results of your research mean and the implications. This is the only chapter where you have some freedom to really express your opinions. Go ahead and do so.

I am always surprised when someone has spent 15 months of their life working on a research topic and they submit a Chapter 5 that is 8 pages long. Spread your wings and really explore what your results mean.

How Long is a Dissertation? Summary

The is no doubt about it, a dissertation is a long document. It is, however, not written in one sitting. You work on it for many months, crafting paragraphs and coming to conclusions. Many people find that because the document can be written in pieces that when it’s all put together, it is longer than expected. Keep writing and adding your thoughts and you will make it.

Many students find it helps to have a supportive guide who’s both been through the dissertation writing process before and is experienced in helping students. If that would be useful to you, feel free to reach out to me about my dissertation coaching or dissertation editing services.

Steve Tippins

Steve Tippins, PhD, has thrived in academia for over thirty years. He continues to love teaching in addition to coaching recent PhD graduates as well as students writing their dissertations. Learn more about his dissertation coaching and career coaching services. Book a Free Consultation with Steve Tippins

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How long is a PhD dissertation? [Data by field]

The final piece of the PhD journey is the PhD dissertation. It takes many years to accumulate enough original and new data to fill out a dissertation to the satisfaction of experts in your field. Interestingly, the PhD dissertation length and content vary significantly based on the field you are studying and the publishing conventions.

A PhD can be anywhere from 50 pages to over 450 pages long. This equates to between about 20,000 words to 100,000 words. Most PhD theses are between 60,000 and 80,000 words long excluding contents, citations and references.

A PhD thesis contains different sections including an introduction, methods, results and discussion, conclusions, further work, and references. Each one of these different sections will vary in length depending on the field of study and your particular topic.

Ultimately, a PhD dissertation should contain as many pages and words as it takes to communicate the results of your multi-year investigation.

It is very rewarding to see your thesis come together as you are writing day after day. When I was writing my PhD dissertation I wrote the sections separately and my heart filled with joy when I finally put them all together and compile them into a single PDF document.

Counting the pages should not be the way to determine a PhD dissertation’s value but it certainly helps when your thesis is starting to look substantial in thickness.

How many pages should a PhD dissertation be?

A PhD dissertation should contain as many pages and words as it takes to outline the current state of your field and provide adequate background information, present your results, and provide confidence in your conclusions. A PhD dissertation will also contain figures, graphs, schematics, and other large pictorial items that can easily inflate the page count.

Here is a boxplot summary of many different fields of study and the number of pages of a typical PhD dissertation in the field. It has been created by Marcus Beck from all of the dissertations at the University of Minnesota.

Typically, the mathematical sciences, economics, and biostatistics theses and dissertations tend to be shorter because they rely on mathematical formulas to provide proof of their results rather than diagrams and long explanations.

On the other end of the scale, English, communication studies, political science, history and anthropology are often the largest theses in terms of pages and word count because of the number of words it takes to provide proof and depth of their results.

At the end of the day, it is important that your thesis gets signed off by your review committee and other experts in the field. Your supervisor will be the main judge of whether or not your dissertation is capable of satisfying the requirements of a PhD in your field.

If you want to know more about how long a Masters’s thesis and PhD dissertation is you can check out my other articles:

• How Long is a Masters Thesis? [Your writing guide]
• How long is a Thesis or dissertation? [the data]

Can a PhD dissertation be too long?

A PhD thesis should contain enough evidence and discussion to report on the most significant findings of your PhD research.

A PhD dissertation should not contain everything that you have done during your PhD. It should only include the data and information required to convince your PhD examining body that wraps up and tells the full story of particular lines of investigation.

Including random results, thoughts, or superfluous explanation can result in a dissertation that is unfocused. I have heard of music PhD is being described as too verbose and physical sciences PhD dissertations as being unfocused.

Therefore, a PhD thesis can be too long if the information it contains does not form a full and cohesive story.

One of my colleagues during their PhD removed an entire chapter from the thesis after writing it as the supervisor said that it needed more experiments to be a full story. They did not want to spend the next six months gathering the data and simply removed the chapter altogether.

How short can PhD dissertation be?

The shortest PhD dissertations are typically found in mathematics.

George Bernard Danzig was an American mathematical scientist who made contributions to industrial engineering and many other mathematical-related fields. An interesting miscommunication led to 1 of the shortest PhD theses ever.

In 1939 his professor wrote two problems on the blackboard and Danzig thought they were homeless assignments. He stated that they were harder than usual but handed in solutions to the surprise of the professor.

They were, in fact, open mathematical problems in statistics.

His professor said to bind the solution to the two problems together and submit them as his thesis – the total thesis length = 14 pages.

Obviously, most PhD theses and dissertations will be so much longer than that!

My PhD dissertation was 256 pages long. It was full of schematics, diagrams, and tables to demonstrate and communicate my findings.

I would say that most people’s PhD thesis experience will be closer to mine than Prof George Bernard Danzig’s.

Why PhD dissertations are typically so long

PhD dissertations are often over 200 pages long.

One of the primary reasons they are so long is that it is a single document that summarises many years of hard work. Also, summarising the research field to date and making sure that all of your references and citations are included so you avoid plagiarism will bolster the word count of the thesis dramatically.

Here are all of the reasons PhD dissertations tend to be so long.

Many years of work

PhD theses or dissertations contain many years of research and analysis.

In many of my YouTube videos I recommend that a PhD student work towards their PhD thesis by doing at least three hours of focused work every work day.

This amount of work quickly adds up.

Of course, not every bit of work makes it into the PhD dissertation but a lot of it does. It can be difficult to work out what to include or leave out of your thesis.

As a PhD student, I perfected the art of turning one experiment into many different types of grafts and schematics to fully explore the limits of my data. The graphs can take up a lot of space in your PhD thesis and, therefore, bolster the page count significantly.

In depth literature review

One of the most substantial parts of a PhD dissertation is the literature review.

The literature review can take up a huge portion of the early part of your PhD dissertation depending on the amount of data and publications in your field.

Writing an in-depth literature review requires just as much meticulous data analysis and searching as the central part of your dissertation.

Figures and schematics

Some fields end up producing a lot of figures and schematics.

My thesis had many full-page figures of atomic force microscopy experiments with much more explanation on subsequent pages.

As they say, a picture paints a thousand words and a dissertation can really benefit from having many schematics to highlight the important aspects of your findings.

References and citations

The recommended PhD dissertation word count from an institution or university does not include citations, references, or other thesis parts such as summary of abbreviations, table of figures, et cetera.

However, these components of your dissertation can take up many pages and add to the overall thickness of your PhD dissertation.

University formatting rules

University formatting rules will also dictate how you many pages your words take up.

I often get roasted on my YouTube channel for having doublespaced lines and wide margins. Unfortunately, this layout was dictated by my university before printing.

PhD dissertations often end up going into long-term storage and therefore, need to adhere to archival and standardised formatting rules.

Deep in the depths of the University of Newcastle, there is a copy of my thesis on a shelf. The formatting and binding rules mean that my thesis looks like everyone else’s.

Universities will often have their own requirements for PhD dissertation cover colour, quality, and type of paper. Even the quality of the paper can change the thickness of the PhD dissertation significantly.

PhD by publication

It is becoming increasingly common to submit a number of peer-reviewed papers bound together with supplementary information in between instead of a PhD dissertation.

The benefits of this to the researcher and university are:

• More early career peer-reviewed journals for career advancement
• an easier review process – they have already been peer-reviewed
• an early focus on publishing means better research outcomes for the researcher, supervisor, and Department.
• No mad rush at the end to finish a thesis
• continually writing peer-reviewed papers throughout your PhD helps with timely analysis and communication of results

Even though this option has been available to PhD students for a number of years, I have only known a handful of students actually submit their PhD via publication.

Nonetheless, having this option will suit some research fields better than others and lead to a more productive PhD.

Wrapping up

This article has been through everything you need to know about the length of a PhD dissertation and the common lengths of PhD dissertations for various fields.

Ultimately, there is no predefined length of a PhD.

A PhD thesis is as long as it needs to be to convince your examiners that you have contributed significantly enough to an academic field to be awarded the title of Dr of philosophy.

Mathematical and analytical theses tend to be shorter and can be as short as 50 pages (with one of the shortest being only 14 pages long). At the other end of the spectrum, PhD students in anthropology and history tend to produce the longest dissertations.

Dr Andrew Stapleton has a Masters and PhD in Chemistry from the UK and Australia. He has many years of research experience and has worked as a Postdoctoral Fellow and Associate at a number of Universities. Although having secured funding for his own research, he left academia to help others with his YouTube channel all about the inner workings of academia and how to make it work for you.

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