Doctor of Philosophy (Ph.D.) Overview
|Program Level(s)||Doctor of Philosophy (Ph.D.)|
|Field(s) of Study||Can include history, English, engineering, philosophy, and economics|
|Prerequisites||Master's degree (some programs will accept a bachelor's degree)|
|Program Format||2-3 years of coursework and exams followed by 2-3 years preparing and defending a dissertation|
|Program Length||4-6 years|
|Career Fields||Research within universities, organizations, or government agencies; teaching|
Ph.D. stands for Doctor of Philosophy. A Ph.D. is the terminal degree for many subjects in the United States. Working towards a Ph.D. requires real dedication to one subject of study, since doctorate programs can take many years to complete.
Doctor of Philosophy (Ph.D.) programs are often taken by students looking for a research career within universities, nonprofit organizations or government agencies. Students interested in becoming university professors should expect to spend about a third of their time teaching and the rest conducting research, writing papers on behalf of the university, and attending conferences to present their research.
Find schools that offer these popular programs
- Biological and Biomedical Sciences
- Communications and Journalism
- Computer Sciences
- Culinary Arts and Personal Services
- Liberal Arts and Humanities
- Mechanic and Repair Technologies
- Medical and Health Professions
- Physical Sciences
- Transportation and Distribution
- Visual and Performing Arts
How Long Does a Doctoral Program Take?
A Ph.D. program typically takes 4-6 years of full-time study to complete; part-time study may require a longer time commitment. Many schools have caps on how long a student may be enrolled in a Ph.D. program, which may force some students to pursue full-time status.
Full-time students pursuing a Ph.D. can expect to complete 2-3 years of coursework and spend the remainder of the program working on a doctoral dissertation. A doctoral dissertation is a piece of original research completed under the supervision of an advisor, often a professor.
What Subject Areas Are Available?
Ph.D. programs are offered in many different subjects areas, such as history, English, engineering, philosophy and economics. Not all universities offer Ph.D. programs, but they are common at public state universities. Many Ph.D. programs are highly specific and only offered at certain universities in the country.
Who Might Pursue a Ph.D.?
When choosing a Ph.D. program, students should prepare for a full commitment to the subject they plan to study. Most students earn their Ph.D. because they'd like to dedicate themselves not just to the lifelong study of a subject, but because they'd like to teach others this subject as well.