Data
Princeton U.
| Fields | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 445 | 447 | 293 | 318 | 398 | 396 | 358 | 373 | 371 | 389 |
| Science and engineering | 351 | 374 | 240 | 246 | 301 | 287 | 274 | 289 | 294 | 270 |
| Agricultural sciences and natural resources | 2 | . | 4 | 1 | . | 1 | 1 | . | . | 1 |
| Natural resources and conservation | 2 | . | 4 | 1 | . | 1 | 1 | . | . | 1 |
| Biological and biomedical sciences | 51 | 56 | 38 | 31 | 57 | 38 | 43 | 30 | 41 | 37 |
| Biochemistry and biophysics | 4 | 3 | 1 | . | 5 | 2 | 1 | 3 | . | 3 |
| Biology and biomedical sciences, general | 1 | 2 | 1 | . | 3 | . | . | 3 | . | . |
| Bioinformatics, biostatistics, and computational biology | 6 | 8 | 1 | 5 | 10 | 2 | 7 | 2 | 3 | 2 |
| Cellular and developmental biology, and anatomy | 3 | 3 | 1 | . | 2 | 1 | 4 | 1 | 4 | . |
| Ecology, evolutionary biology, and epidemiology | 6 | 9 | 11 | 3 | 7 | 11 | 9 | 6 | 9 | 2 |
| Genetics and genomics | 2 | 1 | 1 | . | 2 | 1 | . | 1 | . | . |
| Microbiology and immunology | 2 | 2 | . | 5 | 3 | 3 | . | 3 | 1 | 2 |
| Molecular biology | 17 | 16 | 16 | 12 | 17 | 12 | 17 | 9 | 20 | 21 |
| Neurobiology and neurosciences | 8 | 10 | 6 | 6 | 7 | 6 | 5 | 1 | 3 | 5 |
| Physiology, pathology, and cancer biology | 1 | 1 | . | . | 1 | . | . | 1 | . | 2 |
| Biology and biomedical sciences, other | 1 | 1 | . | . | . | . | . | . | 1 | . |
| Computer and information sciences | 37 | 27 | 16 | 18 | 25 | 15 | 15 | 22 | 11 | 17 |
| Computer science | 32 | 23 | 14 | 18 | 25 | 14 | 14 | 21 | 9 | 14 |
| Computer and information sciences, other | 5 | 4 | 2 | . | . | 1 | 1 | 1 | 2 | 3 |
| Engineering | 60 | 78 | 39 | 45 | 53 | 65 | 57 | 50 | 69 | 63 |
| Aerospace, aeronautical, and astronautical engineering | 10 | 17 | 3 | 4 | 3 | 3 | 3 | 5 | 6 | 2 |
| Bioengineering and biomedical engineering | 1 | 1 | 3 | 1 | 1 | 2 | . | 2 | 1 | 1 |
| Chemical and petroleum engineering | 13 | 20 | 5 | 4 | 12 | 15 | 13 | 13 | 14 | 20 |
| Civil, environmental, and transportation engineering | 12 | 9 | 1 | 7 | 6 | 7 | 6 | 4 | 7 | 11 |
| Electrical and computer engineering | 18 | 24 | 16 | 15 | 16 | 21 | 15 | 15 | 23 | 17 |
| Industrial engineering and operations research | 3 | 3 | 3 | 2 | 4 | 2 | 6 | 2 | 3 | 3 |
| Materials and mining engineering | 1 | 1 | 3 | . | . | 4 | . | 4 | 1 | 3 |
| Mechanical engineering | 2 | 2 | 4 | 11 | 10 | 9 | 13 | 4 | 14 | 5 |
| Engineering, other | . | 1 | 1 | 1 | 1 | 2 | 1 | 1 | . | 1 |
| Geosciences, atmospheric, and ocean sciences | 7 | 10 | 10 | 14 | 7 | 9 | 14 | 12 | 15 | 9 |
| Geological sciences | 4 | 3 | 3 | 9 | 4 | 3 | 5 | 7 | 4 | 5 |
| Ocean, marine, and atmospheric sciences | 3 | 7 | 7 | 5 | 3 | 6 | 9 | 5 | 11 | 4 |
| Mathematics and statistics | 33 | 37 | 14 | 25 | 25 | 26 | 14 | 20 | 23 | 25 |
| Applied mathematics | 9 | 2 | 3 | 7 | 4 | 6 | 2 | 8 | 3 | 5 |
| Mathematics | 5 | 4 | 1 | 4 | 8 | 11 | 5 | 4 | 15 | 13 |
| Statistics | 8 | 5 | 3 | 5 | 1 | 3 | . | 2 | 2 | 3 |
| Mathematics and statistics, other | 11 | 26 | 7 | 9 | 12 | 6 | 7 | 6 | 3 | 4 |
| Physical sciences | 74 | 73 | 49 | 46 | 68 | 60 | 62 | 72 | 62 | 49 |
| Astronomy and astrophysics | 12 | 8 | 9 | 3 | 7 | 6 | 7 | 9 | 3 | 6 |
| Chemistry | 32 | 35 | 17 | 20 | 27 | 24 | 23 | 41 | 26 | 18 |
| Physics | 30 | 30 | 23 | 23 | 34 | 30 | 32 | 22 | 33 | 25 |
| Psychology | 6 | 12 | 8 | 8 | 4 | 9 | 7 | 4 | 9 | 10 |
| Research and experimental psychology | 5 | 8 | 6 | 7 | 3 | 6 | 6 | 4 | 8 | 10 |
| Psychology, other | 1 | 4 | 2 | 1 | 1 | 3 | 1 | . | 1 | . |
| Social sciences | 81 | 81 | 62 | 58 | 62 | 64 | 61 | 79 | 64 | 59 |
| Anthropology | 8 | 4 | 3 | 4 | 6 | 4 | 2 | 5 | 5 | 4 |
| Economics | 27 | 24 | 20 | 10 | 19 | 19 | 21 | 27 | 21 | 19 |
| Political science and government | 13 | 25 | 16 | 25 | 17 | 21 | 16 | 24 | 19 | 15 |
| Public policy analysis | 1 | . | 3 | 1 | 2 | 3 | 2 | 1 | 1 | 4 |
| Sociology, demography, and population studies | 13 | 12 | 11 | 12 | 11 | 11 | 12 | 19 | 14 | 10 |
| Social sciences, other | 19 | 16 | 9 | 6 | 7 | 6 | 8 | 3 | 4 | 7 |
| Non-science and engineering | 94 | 73 | 53 | 72 | 97 | 109 | 84 | 84 | 77 | 119 |
| Business | 3 | 1 | 1 | . | . | . | 1 | 3 | . | 4 |
| Business | 3 | 1 | 1 | . | . | . | 1 | 3 | . | 4 |
| Humanities and arts | 85 | 70 | 49 | 67 | 87 | 104 | 77 | 80 | 76 | 106 |
| Letters | 21 | 15 | 16 | 16 | 21 | 26 | 18 | 16 | 18 | 22 |
| Foreign languages and literature | 5 | 8 | 4 | 13 | 10 | 16 | 11 | 12 | 12 | 11 |
| History | 26 | 21 | 8 | 16 | 32 | 24 | 16 | 28 | 20 | 26 |
| Philosophy and religious studies | 17 | 12 | 12 | 10 | 9 | 19 | 18 | 10 | 11 | 26 |
| Music and performing arts | 10 | 8 | 3 | 5 | 6 | 11 | 6 | 6 | 9 | 10 |
| Humanities and arts, other | 6 | 6 | 6 | 7 | 9 | 8 | 8 | 8 | 6 | 11 |
| Other non-science and engineering | 6 | 2 | 3 | 5 | 10 | 5 | 6 | 1 | 1 | 9 |
| Communication | . | . | . | . | . | 1 | . | . | . | . |
| Public administration and social services | 1 | . | . | 1 | 1 | 2 | . | . | . | . |
| Non-science and engineering, other | 5 | 2 | 3 | 4 | 9 | 2 | 6 | 1 | 1 | 9 |
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
