Data
Johns Hopkins U.
| Fields | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 531 | 507 | 423 | 426 | 455 | 507 | 495 | 476 | 492 | 447 |
| Science and engineering | 484 | 482 | 389 | 403 | 430 | 467 | 461 | 435 | 460 | 411 |
| Agricultural sciences and natural resources | 2 | . | 1 | . | . | . | 1 | 1 | 1 | . |
| Agricultural sciences | . | . | 1 | . | . | . | . | . | . | . |
| Natural resources and conservation | 2 | . | . | . | . | . | 1 | 1 | 1 | . |
| Biological and biomedical sciences | 187 | 156 | 151 | 173 | 158 | 178 | 172 | 166 | 178 | 169 |
| Biochemistry and biophysics | 26 | 18 | 24 | 22 | 17 | 23 | 21 | 23 | 24 | 19 |
| Biology and biomedical sciences, general | 22 | 10 | 8 | 14 | 11 | 11 | 19 | 19 | 13 | 9 |
| Bioinformatics, biostatistics, and computational biology | 10 | 22 | 8 | 11 | 9 | 8 | 9 | 14 | 9 | 7 |
| Cellular and developmental biology, and anatomy | 4 | 2 | 4 | 3 | 13 | 5 | 8 | 11 | 11 | 8 |
| Ecology, evolutionary biology, and epidemiology | 22 | 17 | 16 | 19 | 20 | 29 | 14 | 19 | 24 | 19 |
| Genetics and genomics | 12 | 14 | 13 | 18 | 9 | 15 | 9 | 9 | 9 | 11 |
| Microbiology and immunology | 20 | 17 | 15 | 21 | 22 | 18 | 18 | 16 | 24 | 24 |
| Molecular biology | 19 | 11 | 13 | 12 | 14 | 14 | 10 | 10 | 12 | 13 |
| Neurobiology and neurosciences | 16 | 19 | 26 | 28 | 18 | 25 | 22 | 23 | 18 | 26 |
| Pharmacology and toxicology | 10 | 6 | 3 | 9 | 6 | 7 | 14 | 4 | 8 | 12 |
| Physiology, pathology, and cancer biology | 21 | 18 | 19 | 14 | 14 | 21 | 25 | 11 | 20 | 20 |
| Biology and biomedical sciences, other | 5 | 2 | 2 | 2 | 5 | 2 | 3 | 7 | 6 | 1 |
| Computer and information sciences | 35 | 33 | 24 | 16 | 20 | 19 | 16 | 19 | 4 | 5 |
| Computer science | 25 | 21 | 18 | 16 | 19 | 19 | 16 | 18 | 4 | 5 |
| Computer and information sciences, other | 10 | 12 | 6 | . | 1 | . | . | 1 | . | . |
| Engineering | 98 | 128 | 81 | 66 | 81 | 99 | 93 | 78 | 93 | 81 |
| Aerospace, aeronautical, and astronautical engineering | 2 | . | . | . | . | . | . | . | 1 | . |
| Bioengineering and biomedical engineering | 26 | 41 | 16 | 17 | 25 | 29 | 37 | 31 | 39 | 26 |
| Chemical and petroleum engineering | 16 | 22 | 17 | 6 | 11 | 12 | 7 | 10 | 7 | 10 |
| Civil, environmental, and transportation engineering | 16 | 8 | 11 | 7 | 6 | 17 | 11 | 6 | 11 | 7 |
| Electrical and computer engineering | 18 | 22 | 11 | 13 | 6 | 12 | 15 | 8 | 15 | 11 |
| Industrial engineering and operations research | . | 1 | 1 | 1 | 4 | . | . | 1 | . | . |
| Materials and mining engineering | 4 | 14 | 6 | 6 | 8 | 9 | 13 | 9 | 9 | 8 |
| Mechanical engineering | 14 | 17 | 17 | 16 | 18 | 18 | 10 | 13 | 11 | 17 |
| Engineering, other | 2 | 3 | 2 | . | 3 | 2 | . | . | . | 2 |
| Geosciences, atmospheric, and ocean sciences | 6 | 8 | 2 | 7 | 6 | 6 | 10 | 2 | 3 | 2 |
| Geological sciences | 1 | 1 | 1 | 5 | 2 | 5 | 6 | 1 | 2 | 2 |
| Ocean, marine, and atmospheric sciences | 5 | 7 | 1 | 2 | 4 | 1 | 4 | 1 | 1 | . |
| Health sciences | 48 | 52 | 45 | 62 | 64 | 66 | 70 | 60 | 82 | 62 |
| Nursing science | 5 | 10 | 6 | 6 | 16 | 9 | 5 | 4 | 5 | 2 |
| Pharmaceutical sciences | . | . | . | . | . | . | . | . | . | . |
| Public health | 37 | 32 | 35 | 50 | 34 | 55 | 61 | 49 | 68 | 52 |
| Health sciences, other | 6 | 10 | 4 | 6 | 14 | 2 | 4 | 7 | 9 | 8 |
| Mathematics and statistics | 21 | 15 | 11 | 11 | 9 | 11 | 9 | 15 | 11 | 11 |
| Applied mathematics | 8 | 4 | 1 | 5 | 3 | 2 | 1 | 5 | 4 | 4 |
| Mathematics | . | . | . | 3 | 1 | 3 | 1 | . | 1 | 1 |
| Statistics | 5 | 4 | 4 | . | 2 | 1 | 4 | 3 | . | 1 |
| Mathematics and statistics, other | 8 | 7 | 6 | 3 | 3 | 5 | 3 | 7 | 6 | 5 |
| Physical sciences | 47 | 44 | 31 | 36 | 48 | 38 | 41 | 37 | 33 | 32 |
| Astronomy and astrophysics | 9 | 12 | 7 | 7 | 7 | 14 | 9 | 5 | 4 | 9 |
| Chemistry | 31 | 24 | 15 | 15 | 25 | 16 | 21 | 18 | 12 | 16 |
| Physics | 7 | 8 | 9 | 14 | 16 | 8 | 11 | 14 | 17 | 7 |
| Psychology | 11 | 10 | 13 | 6 | 8 | 1 | 6 | 14 | 6 | 6 |
| Counseling and applied psychology | . | . | 1 | 1 | . | . | . | . | 1 | 1 |
| Research and experimental psychology | 11 | 10 | 10 | 5 | 7 | 1 | 6 | 11 | 5 | 4 |
| Psychology, other | . | . | 2 | . | 1 | . | . | 3 | . | 1 |
| Social sciences | 29 | 36 | 30 | 26 | 36 | 49 | 43 | 43 | 49 | 43 |
| Anthropology | 2 | 4 | 5 | 3 | 5 | 5 | 6 | 2 | 3 | 7 |
| Economics | 9 | 6 | 5 | 7 | 9 | 11 | 12 | 7 | 11 | 10 |
| Political science and government | 7 | 7 | 4 | 5 | 5 | 10 | 9 | 11 | 17 | 7 |
| Public policy analysis | 3 | 4 | 5 | 1 | 3 | 5 | 2 | 7 | 5 | 4 |
| Sociology, demography, and population studies | 5 | 3 | 5 | 4 | 4 | 6 | 1 | 2 | 8 | 7 |
| Social sciences, other | 3 | 12 | 6 | 6 | 10 | 12 | 13 | 14 | 5 | 8 |
| Non-science and engineering | 47 | 25 | 34 | 23 | 25 | 40 | 34 | 41 | 32 | 36 |
| Business | 1 | 1 | . | . | . | . | . | 1 | . | . |
| Business | 1 | 1 | . | . | . | . | . | 1 | . | . |
| Education | . | . | . | . | . | . | . | 2 | . | 1 |
| Education research | . | . | . | . | . | . | . | 2 | . | . |
| Education, other | . | . | . | . | . | . | . | . | . | 1 |
| Humanities and arts | 44 | 24 | 33 | 23 | 25 | 40 | 34 | 37 | 32 | 35 |
| Letters | 13 | 8 | 9 | 3 | 5 | 8 | 4 | 9 | 9 | 4 |
| Foreign languages and literature | 6 | 5 | 7 | 1 | 5 | 8 | 8 | 9 | 4 | 7 |
| History | 16 | 5 | 11 | 8 | 8 | 9 | 15 | 10 | 13 | 13 |
| Philosophy and religious studies | 4 | 3 | 1 | 5 | 4 | 9 | 2 | 3 | 4 | 5 |
| Humanities and arts, other | 5 | 3 | 5 | 6 | 3 | 6 | 5 | 6 | 2 | 6 |
| Other non-science and engineering | 2 | . | 1 | . | . | . | . | 1 | . | . |
| Communication | . | . | . | . | . | . | . | 1 | . | . |
| Non-science and engineering, other | 2 | . | 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
