Data
Princeton U.
| Fields | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 403 | 445 | 447 | 293 | 318 | 398 | 396 | 358 | 373 | 371 | 
| Science and engineering | 328 | 351 | 374 | 240 | 246 | 301 | 287 | 274 | 289 | 294 | 
| Agricultural sciences and natural resources | 4 | 2 | . | 4 | 1 | . | 1 | 1 | . | . | 
| Agricultural sciences | 1 | . | . | . | . | . | . | . | . | . | 
| Natural resources and conservation | 3 | 2 | . | 4 | 1 | . | 1 | 1 | . | . | 
| Biological and biomedical sciences | 40 | 51 | 56 | 38 | 31 | 57 | 38 | 43 | 30 | 41 | 
| Biochemistry and biophysics | 1 | 4 | 3 | 1 | . | 5 | 2 | 1 | 3 | . | 
| Biology and biomedical sciences, general | 1 | 1 | 2 | 1 | . | 3 | . | . | 3 | . | 
| Bioinformatics, biostatistics, and computational biology | 4 | 6 | 8 | 1 | 5 | 10 | 2 | 7 | 2 | 3 | 
| Cellular and developmental biology, and anatomy | . | 3 | 3 | 1 | . | 2 | 1 | 4 | 1 | 4 | 
| Ecology, evolutionary biology, and epidemiology | 7 | 6 | 9 | 11 | 3 | 7 | 11 | 9 | 6 | 9 | 
| Genetics and genomics | . | 2 | 1 | 1 | . | 2 | 1 | . | 1 | . | 
| Microbiology and immunology | . | 2 | 2 | . | 5 | 3 | 3 | . | 3 | 1 | 
| Molecular biology | 16 | 17 | 16 | 16 | 12 | 17 | 12 | 17 | 9 | 20 | 
| Neurobiology and neurosciences | 10 | 8 | 10 | 6 | 6 | 7 | 6 | 5 | 1 | 3 | 
| Physiology, pathology, and cancer biology | 1 | 1 | 1 | . | . | 1 | . | . | 1 | . | 
| Biology and biomedical sciences, other | . | 1 | 1 | . | . | . | . | . | . | 1 | 
| Computer and information sciences | 36 | 37 | 27 | 16 | 18 | 25 | 15 | 15 | 22 | 11 | 
| Computer science | 35 | 32 | 23 | 14 | 18 | 25 | 14 | 14 | 21 | 9 | 
| Computer and information sciences, other | 1 | 5 | 4 | 2 | . | . | 1 | 1 | 1 | 2 | 
| Engineering | 69 | 60 | 78 | 39 | 45 | 53 | 65 | 57 | 50 | 69 | 
| Aerospace, aeronautical, and astronautical engineering | 11 | 10 | 17 | 3 | 4 | 3 | 3 | 3 | 5 | 6 | 
| Bioengineering and biomedical engineering | 1 | 1 | 1 | 3 | 1 | 1 | 2 | . | 2 | 1 | 
| Chemical and petroleum engineering | 18 | 13 | 20 | 5 | 4 | 12 | 15 | 13 | 13 | 14 | 
| Civil, environmental, and transportation engineering | 4 | 12 | 9 | 1 | 7 | 6 | 7 | 6 | 4 | 7 | 
| Electrical and computer engineering | 23 | 18 | 24 | 16 | 15 | 16 | 21 | 15 | 15 | 23 | 
| Industrial engineering and operations research | 3 | 3 | 3 | 3 | 2 | 4 | 2 | 6 | 2 | 3 | 
| Materials and mining engineering | 2 | 1 | 1 | 3 | . | . | 4 | . | 4 | 1 | 
| Mechanical engineering | 5 | 2 | 2 | 4 | 11 | 10 | 9 | 13 | 4 | 14 | 
| Engineering, other | 2 | . | 1 | 1 | 1 | 1 | 2 | 1 | 1 | . | 
| Geosciences, atmospheric, and ocean sciences | 9 | 7 | 10 | 10 | 14 | 7 | 9 | 14 | 12 | 15 | 
| Geological sciences | 6 | 4 | 3 | 3 | 9 | 4 | 3 | 5 | 7 | 4 | 
| Ocean, marine, and atmospheric sciences | 3 | 3 | 7 | 7 | 5 | 3 | 6 | 9 | 5 | 11 | 
| Mathematics and statistics | 19 | 33 | 37 | 14 | 25 | 25 | 26 | 14 | 20 | 23 | 
| Applied mathematics | 5 | 9 | 2 | 3 | 7 | 4 | 6 | 2 | 8 | 3 | 
| Mathematics | 3 | 5 | 4 | 1 | 4 | 8 | 11 | 5 | 4 | 15 | 
| Statistics | 2 | 8 | 5 | 3 | 5 | 1 | 3 | . | 2 | 2 | 
| Mathematics and statistics, other | 9 | 11 | 26 | 7 | 9 | 12 | 6 | 7 | 6 | 3 | 
| Physical sciences | 72 | 74 | 73 | 49 | 46 | 68 | 60 | 62 | 72 | 62 | 
| Astronomy and astrophysics | 8 | 12 | 8 | 9 | 3 | 7 | 6 | 7 | 9 | 3 | 
| Chemistry | 30 | 32 | 35 | 17 | 20 | 27 | 24 | 23 | 41 | 26 | 
| Physics | 34 | 30 | 30 | 23 | 23 | 34 | 30 | 32 | 22 | 33 | 
| Psychology | 10 | 6 | 12 | 8 | 8 | 4 | 9 | 7 | 4 | 9 | 
| Research and experimental psychology | 6 | 5 | 8 | 6 | 7 | 3 | 6 | 6 | 4 | 8 | 
| Psychology, other | 4 | 1 | 4 | 2 | 1 | 1 | 3 | 1 | . | 1 | 
| Social sciences | 69 | 81 | 81 | 62 | 58 | 62 | 64 | 61 | 79 | 64 | 
| Anthropology | 2 | 8 | 4 | 3 | 4 | 6 | 4 | 2 | 5 | 5 | 
| Economics | 20 | 27 | 24 | 20 | 10 | 19 | 19 | 21 | 27 | 21 | 
| Political science and government | 16 | 13 | 25 | 16 | 25 | 17 | 21 | 16 | 24 | 19 | 
| Public policy analysis | 2 | 1 | . | 3 | 1 | 2 | 3 | 2 | 1 | 1 | 
| Sociology, demography, and population studies | 9 | 13 | 12 | 11 | 12 | 11 | 11 | 12 | 19 | 14 | 
| Social sciences, other | 20 | 19 | 16 | 9 | 6 | 7 | 6 | 8 | 3 | 4 | 
| Non-science and engineering | 75 | 94 | 73 | 53 | 72 | 97 | 109 | 84 | 84 | 77 | 
| Business | . | 3 | 1 | 1 | . | . | . | 1 | 3 | . | 
| Business | . | 3 | 1 | 1 | . | . | . | 1 | 3 | . | 
| Humanities and arts | 72 | 85 | 70 | 49 | 67 | 87 | 104 | 77 | 80 | 76 | 
| Letters | 14 | 21 | 15 | 16 | 16 | 21 | 26 | 18 | 16 | 18 | 
| Foreign languages and literature | 2 | 5 | 8 | 4 | 13 | 10 | 16 | 11 | 12 | 12 | 
| History | 24 | 26 | 21 | 8 | 16 | 32 | 24 | 16 | 28 | 20 | 
| Philosophy and religious studies | 14 | 17 | 12 | 12 | 10 | 9 | 19 | 18 | 10 | 11 | 
| Music and performing arts | 7 | 10 | 8 | 3 | 5 | 6 | 11 | 6 | 6 | 9 | 
| Humanities and arts, other | 11 | 6 | 6 | 6 | 7 | 9 | 8 | 8 | 8 | 6 | 
| Other non-science and engineering | 3 | 6 | 2 | 3 | 5 | 10 | 5 | 6 | 1 | 1 | 
| Communication | . | . | . | . | . | . | 1 | . | . | . | 
| Public administration and social services | . | 1 | . | . | 1 | 1 | 2 | . | . | . | 
| Non-science and engineering, other | 3 | 5 | 2 | 3 | 4 | 9 | 2 | 6 | 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

