| Years | Doctoral Program |
| 7 | Anthropology |
| 7 | Art History |
| 6 | Biochemistry & Molecular Biology |
| 5 | Chemical Engineering |
| 5 | Chemistry |
| 7 | Classics |
| 5 | Communication |
| 6-7** | Comparative Literature |
| 5 | Computer Science |
| 6 | Counseling Psychology |
| 5-6** | Dramatic Art |
| 6 | Ecology, Evolution, and Marine Biology |
| 5 | Economics |
| 6 | Education |
| 5 | Electrical & Computer Engineering |
| 6-7** | English |
| 6-7** | Environmental Science and Management |
| 6-7** | French |
| 5-6** | Geography |
| 5.5 | Geological Sciences |
| 6 | Germanic Languages & Literatures |
| 6 | Hispanic Languages & Literatures |
| 7 | History |
| 7 | Linguistics |
| 6 | Marine Science |
| 5 | Materials |
| 5-6** | Mathematics |
| 5 | Mechanical Engineering |
| 5.5 | Molecular, Cellular, and Developmental Biology |
| 6 | Music |
| 6 | Philosophy |
| 6 | Physics |
| 7 | Political Science |
| 6 | Psychology |
| 6-7* | Religious Studies |
| 6 | Sociology |
| 5 | Speech & Hearing Sciences |
| 5 | Statistics |