average phd time in usa

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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• Graduate School

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 ?”

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 Get a PhD?

Earning a Ph.D. is a remarkable academic achievement, often seen as the pinnacle of one’s educational journey. It’s a pursuit that demands unwavering dedication, intellectual prowess, and an unshakable commitment to research. Yet, when setting out on this academic odyssey, prospective doctoral students often find themselves grappling with a common question: How long will it take to reach the coveted destination of a PhD?

In the world of academia, where timeframes can be as diverse as the subjects studied, there’s no one-size-fits-all answer. The duration of a PhD program can be influenced by a multitude of factors, ranging from the chosen field of study to the country in which one embarks on this intellectual voyage.

In this blog post, we’ll explore the intricate web of considerations that determine the timeline of a Ph.D. We’ll delve into the typical duration, international variations, the stages of the Ph.D. journey, and even the strategies that can expedite or prolong this academic quest.

Through real-life experiences and insights, we aim to provide you with a comprehensive understanding of the fascinating, challenging, and often unpredictable timeline associated with pursuing a PhD.

So, if you’ve ever wondered about the time commitment required for a PhD, join us on this educational voyage as we uncover the secrets of this academic adventure and navigate the complex terrain of doctoral studies.

Introduction

Factors influencing phd duration, typical duration of phd, phd duration: variations by country, stages of a phd program, shortening the phd timeline, lengthening the timeline of phd.

A PhD, or Doctor of Philosophy, is the highest academic degree one can attain. It represents expertise in a specific field and often involves original research contributing to the world’s knowledge. However, this academic feat isn’t for the faint of heart. To embark on this journey, you should be aware of the formidable challenges it presents, and one of the most fundamental questions is, “How long will it take?” In the introduction, you can touch upon the idea of academic ambition, the pursuit of knowledge, and the unique challenges that come with obtaining a Ph.D.

It’s essential to emphasize why understanding the time commitment is crucial. Pursuing a Ph.D. isn’t just an intellectual endeavor; it’s also a significant personal and professional commitment. It can impact one’s life, career, and even mental and emotional well-being. You can mention that by knowing what you’re getting into time-wise, you can make informed decisions about your academic and career goals. For instance, if you’re aware that a Ph.D. typically takes several years, you can plan your life accordingly, set expectations, and ensure you have the necessary resources and support in place.

Imagine standing at the crossroads of ambition and dedication. You’re passionate about a particular field, and the thought of making a meaningful contribution to it excites you. You dream of becoming a respected expert, perhaps even shaping the future of your discipline. This ambition has led you to consider pursuing a PhD, a journey that represents the highest echelon of academic achievement.

But before you dive into the world of research, scholarly papers, and intellectual debates, there’s a critical question that looms large—how long will it take to earn that coveted Doctor of Philosophy degree? The answer isn’t as straightforward as one might hope. It’s a complex equation, influenced by various factors, and it’s a puzzle that many aspiring doctoral students grapple with.

Understanding the time commitment of a PhD is not merely a matter of academic curiosity. It’s a pivotal factor that can shape your life’s trajectory in significant ways. This introduction explores the intricacies of a PhD journey, from the initial spark of academic passion to the profound understanding of what it takes, in terms of time, to turn that passion into a doctoral reality.

Earning a PhD is a highly individualized journey, and its duration can vary significantly from person to person. This section will delve into the myriad factors that play a role in determining the length of a PhD program. It’s important to understand that the timeline is not a fixed number of years but is influenced by various variables. Here are some key factors:

• Field of Study: The nature of your research area has a significant impact. Some fields, such as the natural sciences or engineering, might require extensive laboratory work and data collection, which can lengthen the Ph.D. process. In contrast, fields like humanities or social sciences might involve less time-intensive data collection but demand extensive writing and analysis.
• Country: The country in which you pursue your PhD can greatly affect the duration. Different countries have different academic systems and expectations. For example, in the United States, it’s common for PhD programs to last longer compared to some European countries where they tend to be shorter and more structured.
• Research Focus: The specific focus of your research project can influence the time required. If your research involves cutting-edge, complex topics, it might take longer to gather and analyze data or develop new methodologies. On the other hand, a well-defined and less ambitious research question could lead to a quicker completion.

Let’s take a closer look at the intricate web of factors that influence the duration of a PhD program. Imagine two students, both embarking on their journeys to earn a PhD, but in different fields.

Student A is pursuing a PhD in physics. This field often involves conducting elaborate experiments, gathering extensive data, and fine-tuning intricate instruments. The pursuit of new discoveries in the realm of physics can be time-consuming, and the PhD program might extend to several years to complete all the necessary research.

Student B, on the other hand, is studying literature and cultural studies. Their research involves in-depth analysis of existing texts, interpretations, and critical theories. While the reading and writing process is extensive, it may not require as many years as Student A’s experimental work.

Now, consider these students in the context of the country in which they are pursuing their PhD Student A is in the United States, where doctoral programs typically span several years. Meanwhile, Student B is in a European country known for its structured and shorter Ph.D. programs.

Lastly, let’s factor in research focus. Student A’s project is ambitious, attempting to uncover the mysteries of the universe, which can be a time-intensive endeavor. In contrast, Student B’s research question is more narrowly defined, making the path to completion relatively shorter.

These examples illustrate how the combination of field of study, country, and research focus can significantly influence the duration of a PhD program.

Understanding the average duration of a PhD program can help prospective students set realistic expectations. This section will provide an overview of the typical timeframes for completing a PhD.

• Average Duration: On a global scale, a PhD program often spans between 5 to 7 years. This period includes coursework, research, and the writing and defense of a dissertation. However, it’s important to note that this duration can vary significantly. In the United States , for instance, it’s common for PhD programs to take longer, often 5 to 7 years or even more, due to the inclusion of coursework and comprehensive exams. In contrast, in some European countries, PhD programs are designed to be shorter, typically around 3 to 4 years, as they are research-focused with less emphasis on coursework.
• Variations by Field: The average duration can also differ based on the field of study. Fields requiring extensive data collection, such as the natural sciences or engineering, might take longer, while fields like humanities or social sciences with more writing and analysis may have shorter timeframes.

When it comes to the average duration of a PhD program, the common adage ‘it’s a marathon, not a sprint’ certainly applies. The typical journey to a PhD is a long and demanding one, taking aspiring scholars through a series of rigorous academic challenges.

Globally, a PhD program often spans between 5 to 7 years. This period includes the initial coursework phase, where students delve deep into the theoretical foundations of their field. This is followed by a substantial research phase, during which they gather data, conduct experiments, or engage in extensive fieldwork. Finally, the culmination of this journey is the completion and defense of a dissertation, a written document that contributes new knowledge to their field.

However, it’s crucial to remember that these timeframes are general averages and can vary significantly based on various factors. In the United States, for example, it’s quite common for PhD programs to extend to the longer end of the spectrum, taking 5 to 7 years or even more to complete. This is because American PhD programs often include a significant coursework component and comprehensive exams before the dissertation phase begins.

On the other hand, in some European countries, PhD programs are designed to be more streamlined and research-focused. They typically take around 3 to 4 years to complete, reflecting a shorter timeframe. This structure is influenced by the belief that students entering PhD programs are already well-prepared in their chosen field, and the primary focus is on conducting independent research.

Additionally, the duration can also vary based on the specific field of study. Fields that require extensive data collection or experimental work, such as the natural sciences or engineering, tend to have longer PhD programs. In contrast, fields like humanities or social sciences, where research involves more reading, writing, and analysis, may have shorter timeframes.

Keep in mind that these are general guidelines, and individual PhD experiences can deviate from the average.

Ph.D. program durations can vary significantly between countries due to differences in educational systems and academic traditions. This section will explore how and why PhD programs’ lengths differ by country.

• United States: In the United States, PhD programs are known for their comprehensive structure. They often include a combination of coursework, comprehensive exams, and dissertation research. This makes them typically longer, often spanning 5 to 7 years or more.
• European Countries: In many European countries, PhD programs are more streamlined and research-focused. They tend to be shorter, typically around 3 to 4 years. European programs often assume that students have a strong foundation in their field when they enter the Ph.D. phase.
• Other Countries: The duration of PhD programs can also vary in other parts of the world. For instance, in some Asian countries, the length of a PhD program can be influenced by the nature of the research and the institution’s specific requirements.

When contemplating the pursuit of a Ph.D., it’s important to recognize that the path you tread can be markedly different depending on the country in which you choose to study. The world’s countries have diverse academic systems and traditions, and these intricacies play a significant role in shaping the duration of PhD programs.

Consider the United States, a country renowned for its rigorous academic programs. Here, PhD programs are known for their comprehensive nature. Students often undergo a period of intensive coursework, followed by comprehensive exams to assess their knowledge. This is in addition to the research phase, which involves conducting experiments, gathering data, or delving deep into the chosen area of study. As a result, PhD programs in the United States are often among the longer ones, frequently taking 5 to 7 years or even more to complete.

In contrast, many European countries have adopted a more streamlined approach to PhD programs. These programs tend to be research-focused from the outset, with the assumption that students entering PhD programs already possess a strong foundation in their chosen field. The result is a shorter program, typically spanning around 3 to 4 years. In countries like the United Kingdom, the Netherlands, and Denmark, students can transition directly into their research, which contributes to the shorter duration.

Outside of the United States and Europe, PhD program lengths can vary significantly depending on the country’s educational system and specific institutional requirements. For instance, in certain Asian countries, PhD programs might also be research-intensive and shorter in duration, or they might extend to accommodate the complexity of the research involved.

It’s important to understand these country-specific variations when considering a PhD program, as they can have a profound impact on the length of your academic journey.

A Ph.D. program is not a single, continuous journey but is typically divided into distinct stages. This section will provide an overview of the common stages of a PhD program, which include coursework, research, and dissertation writing.

• Coursework: The journey usually starts with a coursework phase, where students dive deep into the theoretical foundations of their field. During this stage, students take classes and seminars to build a strong academic foundation. The duration of this stage varies by country and field but generally lasts from 1 to 2 years.
• Comprehensive Exams: In some countries, notably the United States, students are required to pass comprehensive exams to demonstrate their mastery of their field. This stage can add a few months to a couple of years to the timeline.
• Research Phase: After coursework and exams, students transition into the research phase, which is the heart of a Ph.D. program. This phase involves conducting original research, experiments, fieldwork, or in-depth analysis, depending on the field of study. It can last several years, usually 3 to 5 years or more, depending on the complexity of the research and the progress made.
• Dissertation Writing: The final stage involves writing the PhD dissertation, a comprehensive document that presents the research findings and contributes to the academic field. The duration of this stage varies but often takes at least a year.

A PhD program is akin to an academic epic, with distinct stages that collectively make up the hero’s journey. As an aspiring doctoral candidate, it’s essential to understand the key stages you’ll encounter along the way.

The odyssey begins with coursework. During this initial stage, students embark on a voyage into the theoretical underpinnings of their chosen field. They attend classes, seminars, and lectures to deepen their understanding. This coursework phase, which can last anywhere from 1 to 2 years, serves as the foundation upon which the rest of the journey is built.

In some countries, particularly the United States, there’s another formidable challenge—comprehensive exams. These exams test the student’s mastery of the field’s core concepts and are often required before moving on to the next stage. Comprehensive exams can extend the journey by several months to a couple of years.

The heart of the PhD journey lies in the research phase. This is where students immerse themselves in original research, which could entail conducting experiments, gathering data, or engaging in extensive fieldwork, depending on their field of study. The duration of this stage is the most variable, spanning approximately 3 to 5 years or even longer, depending on the complexity of the research and the progress made.

Lastly, the culmination of the PhD adventure is the dissertation writing stage. Here, students craft a comprehensive document that presents their research findings, methodology, and contributions to the academic field. This final stage can vary in length but often takes at least a year to complete.

These stages collectively shape the journey towards a PhD, and understanding them is vital for anyone embarking on this academic odyssey.

While earning a Ph.D. is a significant commitment, there are strategies to expedite the process. This section will discuss strategies and approaches that can help shorten the timeline of your PhD journey .

• Efficient Time Management: Effective time management is essential for expediting a PhD program. Planning and prioritizing tasks, setting clear goals, and maintaining a structured schedule can help students make the most of their research and coursework, reducing the time spent on unnecessary or unproductive activities.
• Choosing the Right Advisor: The relationship between a Ph.D. student and their advisor can significantly impact the program’s duration. A supportive and experienced advisor can guide the student effectively, provide valuable insights, and help them navigate research challenges more efficiently. A strong advisor-student relationship can lead to better research progress and a quicker completion.
• Prior Research Experience: Entering a PhD program with prior research experience can be a significant advantage. If you’ve already conducted research related to your PhD topic during a master’s program or as an undergraduate, you may be able to accelerate your research and data collection, potentially shortening the overall timeline.

When it comes to earning a PhD, the duration can be an intimidating factor. However, it’s important to remember that there are strategies that can help expedite the journey. Let’s explore some of these approaches:

One of the most fundamental strategies is efficient time management. Effective planning, prioritization, and maintaining a structured schedule can make a world of difference. By setting clear goals and staying organized, students can optimize their time and reduce the risk of distractions or time wasted on non-essential activities. This approach ensures that every moment spent on research or coursework is meaningful and productive.

Another pivotal factor is the choice of an advisor. The advisor-student relationship plays a crucial role in a Ph.D. program. A supportive, experienced, and engaged advisor can guide a student through the research process more effectively. They can offer valuable insights, help troubleshoot research challenges, and provide a sense of direction. With the right advisor, students often find themselves making more efficient progress and thus shortening the overall timeline of their PhD journey.

For those entering a PhD program with prior research experience, there’s an advantage. If you’ve already dabbled in research during your master’s program or as an undergraduate, you’re poised for a quicker start. The knowledge, skills, and methodologies you’ve acquired can significantly expedite your research and data collection, potentially helping you complete your PhD in less time.

These strategies, when applied thoughtfully, can make the road to a PhD a bit smoother and shorter, ultimately allowing students to achieve their academic goals more efficiently.

While shortening the Ph.D. journey is a common goal, there are situations that can unexpectedly lengthen the timeline. This section will discuss various reasons a Ph.D. might take longer than expected, including research challenges and personal circumstances.

• Complex Research Challenges: Research is at the core of a Ph.D., and sometimes, research challenges can extend the timeline. For instance, unexpected technical issues, data collection difficulties, or unanticipated roadblocks in the research process can delay progress. Dealing with these complexities often requires additional time and problem-solving efforts.
• Scope of the Project: Sometimes, students may underestimate the scope of their research project. If the research topic turns out to be more extensive or multifaceted than initially anticipated, it can lead to a longer journey. Expanding the research scope can also be driven by a desire to make a more substantial contribution to the field.
• Personal Circumstances: Personal circumstances can also play a significant role in lengthening the timeline. Life events, such as family responsibilities, health issues, or other personal challenges, can disrupt the academic trajectory and extend the Ph.D. program.

While aspiring doctoral candidates often set out with the goal of completing their PhD as efficiently as possible, it’s important to acknowledge that unexpected factors can sometimes extend the journey. Let’s delve into some of the reasons a PhD might take longer than initially expected:

One of the most common factors is research challenges. Research is the backbone of a Ph.D., and it’s not uncommon to encounter unanticipated complexities along the way. For instance, imagine a Ph.D. student in the field of environmental science who encounters technical issues with specialized equipment required for data collection. These unexpected hurdles can require additional time and effort to resolve, extending the research phase.

Another factor that can elongate the timeline is the scope of the project. Sometimes, students may begin their research with a particular understanding of the project’s scale, only to discover that the topic is more extensive or multifaceted than initially thought. This realization can lead to an expansion of the research scope, often driven by the desire to make a more significant and impactful contribution to the field. While noble in its intent, this expansion can result in a longer and more extensive research phase.

Personal circumstances can also have a profound impact. Life doesn’t always adhere to the academic calendar, and various personal challenges can disrupt the PhD journey. These challenges can include family responsibilities, health issues, or other unforeseen life events. Balancing these personal circumstances with academic commitments can sometimes lead to a longer timeline for completing a PhD.

It’s crucial to recognize that while we often have our sights set on a timely completion, the PhD journey can be influenced by a myriad of unforeseen factors. Overcoming these challenges is a testament to resilience and dedication in the pursuit of knowledge.

I have written several articles related to PhD. You can visit them Here. These articles will guide you in the smooth completion of your PhD.

An unconventional PhD demands quality publications and presentations. I have written articles related to Research Journals and Research Conferences. Please visit them

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To sum it up, figuring out how long a Ph.D. takes is like solving a puzzle. In the U.S., it’s a bit like a long journey, taking about 5 to 7 years, while in Europe, it’s more like a focused sprint, finishing in about 3 to 4 years.

We also learned about the different stages of a Ph.D., from classes to big research and a huge paper called a dissertation. Some folks speed up their Ph.D. by managing time well, picking a good advisor, or using past research experience. But unexpected stuff, like tough research problems or personal things, can make the Ph.D. journey longer.

In Ph.D. land, time is like money you spend to learn and get smart. Whether someone is thinking about starting a Ph.D. or already on the journey, it’s their special story. Enjoy the good parts, handle the tough bits, and feel proud of becoming a real expert, adding to what everyone knows together.

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• How Long Does A PhD Take?
• Doing a PhD

Sometimes, just knowing how long a PhD takes can be enough to sway your decision on whether a research degree is for you. So with that in mind, exactly how long does a PhD take?

In the UK, a full-time PhD takes 3 to 4 years to finish whilst a part-time PhD takes twice as long at 6 to 7 years. Alongside these average durations, there are time limits on how long you can be enrolled on to a PhD programme. To discover these limits, the factors which most influence doctoral degree durations and how the UK durations compare to international PhDs, continue reading on.

How Long Does It Take to Get a Full-time PhD?

In the UK, a full-time PhD will typically take you 3 to 4 years. You will usually spend the first three years on the technical aspects of your doctorate. This includes undertaking independent research, designing your research methodology and collecting and analysing data. You will then spend an additional academic year on writing up your PhD thesis and sitting your viva.

How Long Does It Take to Get a Part-time PhD?

In the UK, a part-time PhD will typically take you 6 to 7 years; twice as long as doing a full-time PhD. The reason for this is that as a part-time PhD student, you would dedicate around 20 hours per week to your PhD as opposed to the typical 40 hours full-time students would put into their subject.

How Long Does a Distance Learning PhD Take?

Similarly, distance learning PhD’s take an average of 6 to 7 years to complete. This is because the vast majority of students who undertake a distance learning PhD do so because they can’t relocate closer to the university. Although these commitments will differ, they often mean the student isn’t able to dedicate 40 hours per week to their studies.

Students in STEM disciplines will often take longer to finish a distance learning doctorate degree than those in non-STEM disciplines. This because the progress of a STEM PhD student will be limited by how often they can access a laboratory for experiment work.

How Does Funding Impact a PhD’s Duration?

In reality, the actual time it will take you to complete your PhD degree will depend on your funding situation.

If you’re receiving  funding , it will usually only cover you for 3.5 years if you’re studying full-time or for 7 years at half the stipend if you’re studying part-time. Although this could vary slightly, most PhD funding providers, e.g. Engineering and Physical Sciences Research Council (EPSRC), follow this timescale as indicated on their ‘ length of PhD studentships’ page. Because of this, most students who obtain scholarships try to complete their PhD within the timeframe of their funding so they don’t incur additional fees which they need to cover themselves.

It’s also worth noting that some funded PhD positions have additional conditions attached to them as part of their eligibility requirements. For example, they may require teaching undergraduate students, hosting laboratory sessions or attend presentations and conferences. This will be especially true if you’re on a Graduate Teaching Assistantship (GTA). Although these shouldn’t add considerable time to the length of a PhD programme, they have the potential to do so if they aren’t managed properly.

As self-funded students cover their own annual tuition fees and other associated costs, how long they’ll spend to complete their PhD project will largely depend on their own personal financial situation. Because of this, most self-funded PhD students find it best to complete their PhD study in the shortest time-frame they can manage.

Are There Deadlines?

Yes – unfortunately, all good things must come to an end! Within the UK, the deadline for your PhD is defined as the last date which you must submit your final thesis by. This date is set by your university’s overall regulations and varies depending on the arrangements of your PhD, e.g. whether it’s full or part time. In the vast majority of cases, the adopted deadlines are four years for full-time PhDs and seven years for part-time PhDs from the date you were officially registered onto your programme, as shown below from the University of Leicester’s registration guidance page .

This time-frame may vary from university to university. For example, the University of Sheffield adopts an additional year for part-time PhDs as shown below.

Can I Complete It Faster?

Although it’s possible to complete a full-time PhD in under 3 years, it’s a significant feat that’s rarely heard of. When these feats occur, they’re usually where the doctoral student already has extensive knowledge and experience in their field before undertaking their PhD.

Whilst it’s possible to complete a part-time PhD in under 6 years, it largely depends on your commitments outside your studies. For example, if you have a part-time career alongside your PhD, it’s unlikely that you’ll be able to commit the additional hours required to complete your doctorate a year faster.

However, if instead of a steady part-time job you take on occasional work as a freelancer, you’ll be able to set aside many more hours towards your doctoral degree.

Will Having only A Bachelor’s Degree or Being an International Student Limit My Rate of Progression?

Not at all. While there are benefits to having a Master’s degree such as an additional year of learning and greater research experience due to your fourth-year dissertation project, this doesn’t mean not having one would limit you. A PhD is very different to both Bachelor and Master degrees due to being heavily research-based, therefore, both types of students will have just as much to learn on their way to completing their doctorate.

Similarly, whether you’re an international student will bear no influence on the duration of your PhD.

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

How Does This Compare to the Duration of EU and US PhDs?

PhD hosted by universities within the EU, such as those in France, Norway and Spain, have the same programme structure as those within the UK. As a result, there are no noticeable differences in the time to complete a doctorate between UK and EU institutions.

However, this is not the case in the US. Compared to PhDs conducted within the UK or EU, PhDs conducted within the US take considerably longer to obtain. According to a  2017 study conducted by the National Science Foundation, a US government agency which supports research and higher education, the average time to get a PhD within the US is 5.8 years. Besides this, the average completion time can further increase depending on the disciplines. For example, they found doctorates within the humanities and arts to take an average of 7.1 years to achieve.

The primary reason for this difference is the way PhD degrees are structured within the United States. As mentioned previously, PhDs conducted within UK and EU universities are essentially broken into two sections – one covering the analytical aspects and the other covering the writing up aspects. However, within the US, doctorate programmes comprise additional sections. PhD students are first required to undertake 2 to 3 years of courses, which cover a broad range of topics related to their schools’ discipline. This is then followed by coursework and several examinations, which only once passed can the PhD candidate then start working on their research project and dissertation.

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Doctoral Completion & Time-to-degree

This page contains information about degree conferrals, time-to-degree, and retention for doctoral research programs at Stanford. While the most common academic doctoral degree across the university is the PhD, the JSD in Law and the DMA in Musical Arts are also included here. The MD and JD are considered to be professional degrees and are not included. In all cases below, the academic years reported are "summer start years", meaning that the academic year encompasses a period from the start of the summer term through the end of the following spring term. Please see the  definitions  below the dashboard for more details about how the various metrics presented here are calculated.

More information is available about  doctoral program enrollment and demographics , as well as  doctoral program admissions . Note that local variation in policy and practice regarding admission, matriculation, and degree conferral may affect the departmental and school-level metrics below.

Methodology & Definitions

Time-to-degree.

Time-to-degree is the length of time in years from the first day of the student's first term of enrollment in their doctoral program to the day of their degree conferral. Time-to-degree measures elapsed time only, not enrolled time. It does not stop and start if a student takes a leave of absence. If a student was enrolled in a master's degree program prior to matriculating in the doctoral program the separate time in the master's program is not included even if it was in the same department as the doctoral program. For this reason, time-to-degree may be lower in some doctoral programs where it is common to require completion of a master's degree prior to matriculation in the doctoral program. If a student switches between doctoral programs, time-to-degree is restarted from the first term of enrollment in the new program. The only exceptions to this restart of the clock are when program changes are the result of departmental name changes or other restructuring, or when the new program has the same CIP code as the original program.

Graduation Rate

As with time-to-degree, the start of the 6-year period used to calculate graduation rates is the first term in which the student is enrolled in a doctoral program, regardless of any prior or concurrent enrollment in a master's program. The 6-year rate is based on elapsed time only, not enrolled time. It is not based on the concept of a cohort year or graduation year, but on the actual matriculation term and degree conferral term. For example, if a student enrolled at the start of Spring 2010 and graduated at the end of Winter 2016, they would count towards the 6-year rate; however, if they instead graduated at the end of Spring 2016, their time to degree would be more than 6 years due to the extra term of enrollment.

Degree Conferrals

Numbers of degree conferrals are reported by summer start year. For example, all degree conferred from Summer 2016 through the following Spring 2017 would be reported under the 2016-17 year.

Entering Cohort Status

An entering cohort consists of all students entering a doctoral program during autumn, winter, or spring quarter of a single academic year, as well as those entering during the preceding summer. Students are considered to be current in their program if they are still actively pursuing that degree or are on an approved temporary leave of absence. "Current students in a different PhD program" are students who were enrolled at one point in the selected program but subsequently moved to another doctoral program at Stanford and are still engaged in doctoral study. Students who are listed as "completed" have successfully conferred their degree in the selected program or, if they have completed a different doctoral program, have changed programs and been awarded a doctoral degree by another program at Stanford. Program changes resulting from department name changes, organizational restructuring, or between programs with the same CIP code are not considered "changes" in this context. Students who are shown as "discontinued" have either left the university without a degree or switched to a non-doctoral degree program (in many cases a master's degree).

Visit the  Graduate Admissions website  for more information about pursuing graduate study at Stanford.

The data are available for download in Google Drive .

• Data Source(s): PeopleSoft Campus Solutions, Institutional Research & Decision Support

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