Data
Yale U.
| Fields | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 421 | 442 | 424 | 410 | 423 | 415 | 410 | 379 | 407 | 420 |
| Science and engineering | 314 | 348 | 332 | 325 | 320 | 314 | 294 | 270 | 284 | 311 |
| Agricultural sciences and natural resources | 1 | 2 | 6 | 8 | 5 | 5 | 3 | 3 | 5 | 4 |
| Agricultural sciences | . | 1 | 1 | . | . | . | . | 1 | . | . |
| Natural resources and conservation | 1 | 1 | 5 | 8 | 5 | 5 | 3 | 2 | 5 | 4 |
| Biological and biomedical sciences | 135 | 116 | 117 | 108 | 121 | 109 | 104 | 90 | 104 | 117 |
| Biochemistry and biophysics | 7 | 13 | 8 | 6 | 20 | 16 | 14 | 7 | 19 | 16 |
| Biology and biomedical sciences, general | 8 | 6 | 5 | 9 | 6 | 6 | 6 | 2 | 7 | 2 |
| Bioinformatics, biostatistics, and computational biology | 14 | 7 | 13 | 10 | 8 | 8 | 13 | 10 | 7 | 5 |
| Cellular and developmental biology, and anatomy | 1 | . | 4 | 2 | 12 | 12 | 10 | 8 | 7 | 16 |
| Ecology, evolutionary biology, and epidemiology | 17 | 13 | 14 | 13 | 10 | 9 | 10 | 12 | 15 | 14 |
| Genetics and genomics | 19 | 11 | 12 | 8 | 8 | 7 | 5 | 4 | 9 | 18 |
| Microbiology and immunology | 25 | 21 | 16 | 16 | 19 | 16 | 16 | 11 | 12 | 16 |
| Molecular biology | 14 | 12 | 9 | 17 | 6 | 3 | 8 | 6 | 7 | 10 |
| Neurobiology and neurosciences | 16 | 19 | 19 | 10 | 18 | 19 | 15 | 19 | 13 | 13 |
| Pharmacology and toxicology | 2 | 3 | 3 | 7 | 2 | 2 | 1 | 2 | 3 | 1 |
| Physiology, pathology, and cancer biology | 9 | 9 | 8 | 9 | 11 | 7 | 6 | 6 | 4 | 4 |
| Biology and biomedical sciences, other | 3 | 2 | 6 | 1 | 1 | 4 | . | 3 | 1 | 2 |
| Computer and information sciences | 6 | 9 | 6 | 11 | 4 | 5 | 2 | 7 | 10 | 6 |
| Computer science | 5 | 6 | 6 | 9 | 4 | 5 | 2 | 7 | 10 | 6 |
| Computer and information sciences, other | 1 | 3 | . | 2 | . | . | . | . | . | . |
| Engineering | 32 | 47 | 40 | 35 | 34 | 27 | 36 | 27 | 25 | 29 |
| Bioengineering and biomedical engineering | 10 | 14 | 15 | 10 | 14 | 7 | 12 | 10 | 10 | 6 |
| Chemical and petroleum engineering | 8 | 6 | 4 | 7 | 4 | 6 | 5 | 4 | 6 | 9 |
| Civil, environmental, and transportation engineering | 2 | 5 | 3 | 6 | 4 | 7 | 5 | 4 | . | 4 |
| Electrical and computer engineering | 6 | 11 | 9 | 5 | 5 | 4 | 5 | 3 | 3 | 4 |
| Industrial engineering and operations research | . | . | . | . | . | . | 1 | . | . | . |
| Materials and mining engineering | 5 | 2 | 2 | 4 | 5 | . | 3 | . | 3 | 1 |
| Mechanical engineering | . | 8 | 5 | 2 | . | 2 | 5 | 6 | 2 | 3 |
| Engineering, other | 1 | 1 | 2 | 1 | 2 | 1 | . | . | 1 | 2 |
| Geosciences, atmospheric, and ocean sciences | 5 | 7 | 11 | 6 | 5 | 14 | 14 | 8 | 6 | 15 |
| Geological sciences | 4 | 5 | 9 | 4 | 4 | 9 | 8 | 7 | 6 | 11 |
| Ocean, marine, and atmospheric sciences | 1 | 2 | 2 | 2 | 1 | 5 | 6 | 1 | . | 4 |
| Health sciences | 12 | 10 | 12 | 5 | 8 | 7 | 6 | 8 | 10 | 8 |
| Nursing science | . | 5 | 2 | 1 | 3 | 1 | 3 | 4 | 3 | 6 |
| Public health | 12 | 4 | 5 | 3 | 4 | 5 | 2 | 4 | 7 | 1 |
| Health sciences, other | . | 1 | 5 | 1 | 1 | 1 | 1 | . | . | 1 |
| Mathematics and statistics | 11 | 6 | 10 | 10 | 7 | 10 | 11 | 9 | 10 | 13 |
| Applied mathematics | . | . | . | 1 | 1 | 4 | . | 4 | 2 | 3 |
| Mathematics | . | 1 | . | . | 3 | 1 | 4 | 2 | 3 | 5 |
| Statistics | 5 | 2 | 6 | 4 | 1 | 1 | 3 | . | 1 | 3 |
| Mathematics and statistics, other | 6 | 3 | 4 | 5 | 2 | 4 | 4 | 3 | 4 | 2 |
| Physical sciences | 47 | 66 | 61 | 59 | 60 | 56 | 54 | 49 | 45 | 37 |
| Astronomy and astrophysics | 4 | 4 | 8 | 8 | 5 | 3 | 4 | 7 | 5 | 2 |
| Chemistry | 22 | 38 | 27 | 28 | 22 | 36 | 24 | 26 | 17 | 21 |
| Physics | 21 | 24 | 26 | 23 | 33 | 17 | 26 | 16 | 23 | 14 |
| Psychology | 7 | 14 | 14 | 16 | 11 | 12 | 13 | 16 | 10 | 8 |
| Clinical psychology | 3 | 2 | 3 | 3 | 6 | 3 | . | 4 | 2 | 3 |
| Research and experimental psychology | 3 | 9 | 8 | 10 | 4 | 9 | 12 | 10 | 8 | 5 |
| Psychology, other | 1 | 3 | 3 | 3 | 1 | . | 1 | 2 | . | . |
| Social sciences | 58 | 71 | 55 | 67 | 65 | 69 | 51 | 53 | 59 | 74 |
| Anthropology | 5 | 6 | 4 | 7 | 8 | 3 | 10 | 10 | 5 | 10 |
| Economics | 21 | 23 | 17 | 22 | 16 | 24 | 13 | 11 | 21 | 20 |
| Political science and government | 12 | 21 | 12 | 14 | 21 | 16 | 9 | 12 | 16 | 16 |
| Public policy analysis | 2 | . | . | . | . | 2 | . | 3 | . | 1 |
| Sociology, demography, and population studies | 5 | 7 | 6 | 9 | 5 | 8 | 8 | 6 | 7 | 10 |
| Social sciences, other | 13 | 14 | 16 | 15 | 15 | 16 | 11 | 11 | 10 | 17 |
| Non-science and engineering | 107 | 94 | 92 | 85 | 103 | 101 | 116 | 109 | 123 | 109 |
| Business | 7 | 12 | 8 | 14 | 5 | 7 | 14 | 5 | 10 | 10 |
| Business | 7 | 12 | 8 | 14 | 5 | 7 | 14 | 5 | 10 | 10 |
| Humanities and arts | 83 | 74 | 70 | 60 | 90 | 85 | 90 | 95 | 104 | 84 |
| Letters | 21 | 15 | 10 | 15 | 13 | 12 | 11 | 17 | 23 | 12 |
| Foreign languages and literature | 8 | 14 | 7 | 10 | 13 | 20 | 17 | 16 | 16 | 12 |
| History | 16 | 15 | 15 | 11 | 23 | 15 | 26 | 26 | 29 | 21 |
| Philosophy and religious studies | 11 | 8 | 12 | 8 | 12 | 9 | 13 | 10 | 11 | 16 |
| Music and performing arts | 4 | 5 | 8 | 9 | 7 | 10 | 9 | 8 | 5 | 6 |
| Humanities and arts, other | 23 | 17 | 18 | 7 | 22 | 19 | 14 | 18 | 20 | 17 |
| Other non-science and engineering | 17 | 8 | 14 | 11 | 8 | 9 | 12 | 9 | 9 | 15 |
| Communication | . | . | . | . | 1 | . | . | 1 | . | 1 |
| Non-science and engineering, other | 17 | 8 | 14 | 11 | 7 | 9 | 12 | 8 | 9 | 14 |
NOTES:
- . = data were not collected at this level or institution was not eligible to participate for this survey year.
SOURCE: National Center for Science and Engineering Statistics, Survey of Earned Doctorates
