Data
U. California, Irvine
| Fields | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 489 | 471 | 514 | 393 | 420 | 407 | 380 | 403 | 393 | 390 |
| Science and engineering | 408 | 409 | 433 | 333 | 365 | 344 | 323 | 358 | 326 | 322 |
| Agricultural sciences and natural resources | . | . | . | 2 | 1 | 1 | . | 2 | . | . |
| Agricultural sciences | . | . | . | . | . | 1 | . | 1 | . | . |
| Natural resources and conservation | . | . | . | 2 | 1 | . | . | 1 | . | . |
| Biological and biomedical sciences | 76 | 77 | 71 | 50 | 51 | 57 | 50 | 78 | 53 | 63 |
| Biochemistry and biophysics | 4 | 3 | 7 | 7 | 6 | 3 | 2 | 5 | 1 | 7 |
| Biology and biomedical sciences, general | 12 | 12 | 13 | 9 | 8 | 9 | 7 | 6 | 10 | 5 |
| Bioinformatics, biostatistics, and computational biology | 11 | 8 | 3 | 3 | 6 | 5 | 1 | 4 | 2 | 5 |
| Cellular and developmental biology, and anatomy | 3 | 2 | 2 | 4 | 4 | 5 | 2 | 15 | 3 | 6 |
| Ecology, evolutionary biology, and epidemiology | 11 | 8 | 11 | 7 | 4 | 8 | 13 | 10 | 5 | 6 |
| Genetics and genomics | 2 | 3 | 1 | 4 | 1 | 1 | 1 | . | . | . |
| Microbiology and immunology | 6 | 10 | 7 | 4 | 3 | 6 | 4 | 3 | 5 | 14 |
| Molecular biology | 2 | 4 | 2 | 2 | 2 | 4 | 1 | 8 | 3 | . |
| Neurobiology and neurosciences | 14 | 18 | 14 | 7 | 7 | 7 | 10 | 15 | 15 | 12 |
| Pharmacology and toxicology | 4 | 6 | 6 | . | 3 | . | 2 | 6 | 5 | 3 |
| Physiology, pathology, and cancer biology | 5 | 1 | 4 | 2 | 7 | 9 | 6 | 6 | 4 | 4 |
| Biology and biomedical sciences, other | 2 | 2 | 1 | 1 | . | . | 1 | . | . | 1 |
| Computer and information sciences | 41 | 29 | 39 | 31 | 36 | 35 | 29 | 24 | 39 | 31 |
| Computer science | 32 | 22 | 32 | 26 | 32 | 28 | 16 | 19 | 22 | 22 |
| Computer and information sciences, other | 9 | 7 | 7 | 5 | 4 | 7 | 13 | 5 | 17 | 9 |
| Engineering | 77 | 106 | 103 | 90 | 83 | 85 | 77 | 80 | 54 | 87 |
| Aerospace, aeronautical, and astronautical engineering | 9 | 11 | 10 | 2 | . | 2 | 5 | 4 | 1 | 3 |
| Bioengineering and biomedical engineering | 18 | 14 | 19 | 16 | 14 | 20 | 13 | 19 | 10 | 16 |
| Chemical and petroleum engineering | 7 | 10 | 15 | 13 | 2 | 9 | 8 | 3 | 4 | 7 |
| Civil, environmental, and transportation engineering | 9 | 10 | 12 | 9 | 14 | 14 | 12 | 12 | 14 | 21 |
| Electrical and computer engineering | 19 | 36 | 26 | 15 | 29 | 19 | 18 | 23 | 12 | 24 |
| Industrial engineering and operations research | 1 | . | 3 | . | . | 1 | . | . | . | . |
| Materials and mining engineering | 10 | 17 | 10 | 8 | 11 | 16 | 6 | 10 | 6 | 5 |
| Mechanical engineering | 3 | 5 | 4 | 21 | 13 | 3 | 14 | 9 | 3 | 10 |
| Engineering, other | 1 | 3 | 4 | 6 | . | 1 | 1 | . | 4 | 1 |
| Geosciences, atmospheric, and ocean sciences | 21 | 12 | 11 | 17 | 18 | 10 | 13 | 11 | 11 | 13 |
| Geological sciences | 15 | 4 | 5 | 8 | 13 | 3 | 7 | 3 | 4 | 5 |
| Ocean, marine, and atmospheric sciences | 6 | 8 | 6 | 9 | 5 | 7 | 6 | 8 | 7 | 8 |
| Health sciences | 14 | 16 | 11 | 10 | 15 | 10 | 4 | 5 | 5 | . |
| Nursing science | 2 | 5 | 2 | . | 1 | 5 | 1 | . | . | . |
| Pharmaceutical sciences | 6 | 4 | 2 | 4 | 6 | 2 | 1 | 1 | 2 | . |
| Public health | 5 | 6 | 6 | 5 | 8 | 3 | 2 | 1 | 1 | . |
| Health sciences, other | 1 | 1 | 1 | 1 | . | . | . | 3 | 2 | . |
| Mathematics and statistics | 24 | 23 | 23 | 26 | 26 | 14 | 14 | 18 | 20 | 18 |
| Applied mathematics | 3 | 2 | 5 | 4 | 8 | 4 | 7 | 6 | 5 | 5 |
| Mathematics | 3 | 5 | 3 | 6 | 5 | 4 | 4 | 5 | 6 | 7 |
| Statistics | 9 | 5 | 3 | 5 | 3 | 4 | 3 | 2 | 1 | 4 |
| Mathematics and statistics, other | 9 | 11 | 12 | 11 | 10 | 2 | . | 5 | 8 | 2 |
| Physical sciences | 57 | 56 | 64 | 31 | 59 | 64 | 63 | 60 | 62 | 45 |
| Astronomy and astrophysics | 8 | 5 | 5 | 5 | 4 | 5 | 3 | 6 | 2 | 2 |
| Chemistry | 35 | 38 | 40 | 16 | 44 | 34 | 42 | 41 | 39 | 28 |
| Physics | 14 | 13 | 19 | 10 | 11 | 25 | 18 | 13 | 21 | 15 |
| Psychology | 31 | 25 | 29 | 18 | 23 | 21 | 25 | 19 | 14 | 14 |
| Counseling and applied psychology | 11 | 3 | 1 | . | 1 | 3 | 1 | 4 | . | 2 |
| Research and experimental psychology | 15 | 17 | 26 | 12 | 20 | 15 | 20 | 13 | 13 | 9 |
| Psychology, other | 5 | 5 | 2 | 6 | 2 | 3 | 4 | 2 | 1 | 3 |
| Social sciences | 67 | 65 | 82 | 58 | 53 | 47 | 48 | 61 | 68 | 51 |
| Anthropology | 10 | 2 | 10 | 8 | 6 | 9 | 5 | 9 | 8 | 9 |
| Economics | 18 | 18 | 26 | 12 | 12 | 13 | 13 | 12 | 15 | 14 |
| Political science and government | 7 | 8 | 5 | 7 | 6 | 3 | 8 | 9 | 10 | 9 |
| Public policy analysis | . | . | 1 | 1 | 1 | . | 1 | . | 1 | . |
| Sociology, demography, and population studies | 14 | 15 | 14 | 11 | 13 | 12 | 8 | 11 | 17 | 11 |
| Social sciences, other | 18 | 22 | 26 | 19 | 15 | 10 | 13 | 20 | 17 | 8 |
| Non-science and engineering | 81 | 62 | 81 | 60 | 55 | 63 | 57 | 45 | 67 | 68 |
| Business | 15 | 7 | 12 | 13 | 10 | 7 | 6 | 9 | 6 | 6 |
| Business | 15 | 7 | 12 | 13 | 10 | 7 | 6 | 9 | 6 | 6 |
| Education | 21 | 10 | 23 | 15 | 15 | 6 | 18 | 7 | 15 | 9 |
| Education leadership and administration | . | . | 1 | . | . | . | . | . | . | 1 |
| Education research | 10 | 4 | 11 | 5 | 3 | 1 | 8 | 4 | 5 | 7 |
| Teacher education and teaching fields | 1 | 1 | 1 | . | 4 | 1 | 1 | 1 | 5 | 1 |
| Education, other | 10 | 5 | 10 | 10 | 8 | 4 | 9 | 2 | 5 | . |
| Humanities and arts | 45 | 42 | 44 | 30 | 29 | 47 | 33 | 26 | 42 | 53 |
| Letters | 8 | 11 | 16 | 9 | 8 | 11 | 14 | 5 | 11 | 16 |
| Foreign languages and literature | 3 | 5 | 2 | 2 | 4 | 11 | 6 | 5 | 5 | 8 |
| History | 8 | 3 | 9 | 4 | 5 | 8 | 4 | 6 | 13 | 9 |
| Philosophy and religious studies | 14 | 8 | 9 | 8 | 7 | 8 | 3 | 7 | 6 | 11 |
| Music and performing arts | 7 | 7 | 5 | 3 | 2 | 6 | 1 | 1 | 2 | 2 |
| Humanities and arts, other | 5 | 8 | 3 | 4 | 3 | 3 | 5 | 2 | 5 | 7 |
| Other non-science and engineering | . | 3 | 2 | 2 | 1 | 3 | . | 3 | 4 | . |
| Communication | . | 1 | . | . | 1 | 2 | . | 3 | 2 | . |
| Public administration and social services | . | 2 | 1 | 2 | . | . | . | . | 1 | . |
| Non-science and engineering, other | . | . | 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
