Data
Brown U.
| Fields | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 251 | 246 | 289 | 172 | 216 | 225 | 208 | 210 | 235 | 215 |
| Science and engineering | 208 | 214 | 239 | 148 | 168 | 175 | 160 | 164 | 178 | 163 |
| Agricultural sciences and natural resources | . | . | . | 1 | . | . | 1 | . | . | . |
| Agricultural sciences | . | . | . | 1 | . | . | . | . | . | . |
| Natural resources and conservation | . | . | . | . | . | . | 1 | . | . | . |
| Biological and biomedical sciences | 58 | 53 | 61 | 37 | 37 | 38 | 38 | 45 | 34 | 38 |
| Biochemistry and biophysics | 3 | 2 | 7 | 1 | 1 | 2 | . | 1 | 3 | 2 |
| Biology and biomedical sciences, general | 1 | 1 | 1 | 3 | 2 | 1 | 2 | 4 | 4 | 2 |
| Bioinformatics, biostatistics, and computational biology | 8 | 12 | 9 | 2 | 7 | 4 | 4 | 5 | 4 | . |
| Cellular and developmental biology, and anatomy | 1 | 1 | 1 | . | . | 1 | 2 | 2 | . | 3 |
| Ecology, evolutionary biology, and epidemiology | 4 | 5 | 10 | 8 | 7 | 8 | 11 | 11 | 6 | 4 |
| Genetics and genomics | . | . | . | . | . | . | . | 1 | . | . |
| Microbiology and immunology | 4 | 3 | 2 | 2 | 4 | 3 | 2 | 3 | 1 | 3 |
| Molecular biology | 1 | 5 | 9 | 4 | 6 | 3 | 5 | 4 | 3 | 4 |
| Neurobiology and neurosciences | 20 | 16 | 11 | 10 | 6 | 12 | 5 | 10 | 10 | 16 |
| Pharmacology and toxicology | 2 | 4 | 3 | 2 | 1 | 1 | . | 2 | 3 | . |
| Physiology, pathology, and cancer biology | 10 | 3 | 6 | 2 | 1 | 1 | 4 | . | . | 2 |
| Biology and biomedical sciences, other | 4 | 1 | 2 | 3 | 2 | 2 | 3 | 2 | . | 2 |
| Computer and information sciences | 16 | 16 | 9 | 11 | 9 | 14 | 10 | 9 | 12 | 12 |
| Computer science | 16 | 16 | 8 | 11 | 8 | 12 | 10 | 9 | 11 | 11 |
| Computer and information sciences, other | . | . | 1 | . | 1 | 2 | . | . | 1 | 1 |
| Engineering | 13 | 26 | 34 | 23 | 23 | 27 | 24 | 20 | 24 | 19 |
| Aerospace, aeronautical, and astronautical engineering | . | 2 | . | 1 | . | . | . | . | . | . |
| Bioengineering and biomedical engineering | 6 | 8 | 13 | 7 | 8 | 8 | 5 | 5 | 3 | 5 |
| Chemical and petroleum engineering | 1 | 1 | 4 | 2 | 4 | 1 | 1 | 1 | 2 | 1 |
| Civil, environmental, and transportation engineering | . | . | 2 | . | . | . | . | . | . | . |
| Electrical and computer engineering | 1 | 3 | 3 | 4 | 2 | 5 | 8 | 5 | 4 | 4 |
| Materials and mining engineering | 1 | 6 | 4 | 4 | 1 | 4 | 6 | 4 | 4 | 3 |
| Mechanical engineering | . | 2 | 1 | 2 | 2 | 4 | 1 | 2 | 4 | 2 |
| Engineering, other | 4 | 4 | 7 | 3 | 6 | 5 | 3 | 3 | 7 | 4 |
| Geosciences, atmospheric, and ocean sciences | 8 | 9 | 16 | 1 | 9 | 5 | 7 | 15 | 8 | 12 |
| Geological sciences | 4 | 5 | 9 | 1 | 9 | 5 | 6 | 13 | 8 | 11 |
| Ocean, marine, and atmospheric sciences | 4 | 4 | 7 | . | . | . | 1 | 2 | . | 1 |
| Health sciences | 10 | 5 | 8 | 5 | 11 | 4 | 4 | 5 | 5 | . |
| Public health | 9 | 5 | 8 | 5 | 11 | 4 | 4 | 5 | 5 | . |
| Health sciences, other | 1 | . | . | . | . | . | . | . | . | . |
| Mathematics and statistics | 14 | 17 | 17 | 9 | 17 | 23 | 21 | 21 | 10 | 21 |
| Applied mathematics | 6 | 9 | 11 | 3 | 10 | 9 | 13 | 11 | 7 | 9 |
| Mathematics | 4 | 2 | 2 | . | 3 | 10 | 4 | 6 | 2 | 8 |
| Statistics | 2 | 1 | 1 | . | . | . | . | . | . | 1 |
| Mathematics and statistics, other | 2 | 5 | 3 | 6 | 4 | 4 | 4 | 4 | 1 | 3 |
| Physical sciences | 23 | 43 | 33 | 18 | 26 | 23 | 24 | 16 | 38 | 31 |
| Astronomy and astrophysics | 1 | 3 | 1 | 3 | 4 | 2 | 1 | 1 | 3 | 1 |
| Chemistry | 16 | 29 | 15 | 8 | 15 | 9 | 14 | 7 | 20 | 16 |
| Physics | 6 | 11 | 17 | 7 | 7 | 12 | 9 | 8 | 15 | 14 |
| Psychology | 7 | 5 | 8 | 8 | 4 | 5 | 4 | 4 | 8 | 6 |
| Research and experimental psychology | 7 | 4 | 7 | 7 | 3 | 5 | 4 | 4 | 8 | 6 |
| Psychology, other | . | 1 | 1 | 1 | 1 | . | . | . | . | . |
| Social sciences | 59 | 40 | 53 | 35 | 32 | 36 | 27 | 29 | 39 | 24 |
| Anthropology | 3 | 3 | 5 | 6 | 4 | 3 | . | 6 | 3 | 2 |
| Economics | 21 | 17 | 15 | 13 | 15 | 11 | 13 | 11 | 13 | 8 |
| Political science and government | 8 | 4 | 9 | 5 | 4 | 10 | 5 | 4 | 9 | 3 |
| Public policy analysis | . | . | . | . | . | . | . | . | . | 1 |
| Sociology, demography, and population studies | 13 | 6 | 14 | 3 | 8 | 4 | 4 | 4 | 6 | 4 |
| Social sciences, other | 14 | 10 | 10 | 8 | 1 | 8 | 5 | 4 | 8 | 6 |
| Non-science and engineering | 43 | 32 | 50 | 24 | 48 | 50 | 48 | 46 | 57 | 52 |
| Business | . | 1 | . | . | . | . | . | 1 | . | . |
| Business | . | 1 | . | . | . | . | . | 1 | . | . |
| Education | . | 1 | . | . | 2 | . | . | . | 1 | . |
| Teacher education and teaching fields | . | 1 | . | . | 2 | . | . | . | 1 | . |
| Humanities and arts | 42 | 27 | 49 | 23 | 46 | 49 | 47 | 44 | 54 | 52 |
| Letters | 13 | 8 | 7 | 4 | 10 | 11 | 6 | 15 | 13 | 16 |
| Foreign languages and literature | 4 | 1 | 7 | 3 | 7 | 8 | 7 | 8 | 9 | 11 |
| History | 5 | 7 | 8 | 5 | 6 | 8 | 9 | 8 | 10 | 10 |
| Philosophy and religious studies | 10 | 5 | 8 | 5 | 4 | 6 | 9 | 5 | 6 | 3 |
| Music and performing arts | 2 | 3 | 4 | 2 | 6 | 8 | 6 | 3 | 3 | 2 |
| Humanities and arts, other | 8 | 3 | 15 | 4 | 13 | 8 | 10 | 5 | 13 | 10 |
| Other non-science and engineering | 1 | 3 | 1 | 1 | . | 1 | 1 | 1 | 2 | . |
| Communication | . | 2 | 1 | . | . | . | 1 | 1 | 2 | . |
| Non-science and engineering, other | 1 | 1 | . | 1 | . | 1 | . | . | . | . |
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
