Data
Carnegie Mellon U.
| Fields | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 348 | 383 | 280 | 300 | 342 | 307 | 308 | 317 | 311 | 280 |
| Science and engineering | 317 | 350 | 257 | 275 | 306 | 276 | 290 | 280 | 281 | 250 |
| Agricultural sciences and natural resources | . | 4 | 2 | . | 2 | 1 | 1 | 1 | . | 1 |
| Natural resources and conservation | . | 4 | 2 | . | 2 | 1 | 1 | 1 | . | 1 |
| Biological and biomedical sciences | 12 | 22 | 13 | 9 | 17 | 15 | 14 | 14 | 21 | 18 |
| Biochemistry and biophysics | . | 3 | 1 | 2 | 2 | 1 | . | 3 | 3 | 3 |
| Biology and biomedical sciences, general | 2 | 1 | . | 2 | 3 | 5 | 5 | 3 | 4 | 2 |
| Bioinformatics, biostatistics, and computational biology | 7 | 7 | 6 | . | 4 | 2 | 3 | 1 | 9 | 4 |
| Cellular and developmental biology, and anatomy | 1 | . | 1 | 2 | 1 | 1 | 2 | 5 | 2 | 3 |
| Ecology, evolutionary biology, and epidemiology | . | . | . | . | . | 1 | . | . | . | 1 |
| Genetics and genomics | . | 1 | . | . | . | . | . | . | . | . |
| Microbiology and immunology | . | 1 | . | 2 | 2 | 1 | . | . | 1 | . |
| Molecular biology | . | 1 | 2 | . | 1 | 2 | 1 | 2 | 1 | 1 |
| Neurobiology and neurosciences | 1 | 8 | 3 | 1 | 3 | 2 | 3 | . | 1 | 4 |
| Biology and biomedical sciences, other | 1 | . | . | . | 1 | . | . | . | . | . |
| Computer and information sciences | 73 | 98 | 68 | 56 | 72 | 46 | 45 | 62 | 53 | 57 |
| Computer science | 45 | 78 | 55 | 44 | 56 | 38 | 30 | 46 | 37 | 43 |
| Computer and information sciences, other | 28 | 20 | 13 | 12 | 16 | 8 | 15 | 16 | 16 | 14 |
| Engineering | 158 | 155 | 118 | 143 | 136 | 142 | 159 | 142 | 135 | 123 |
| Aerospace, aeronautical, and astronautical engineering | 1 | 1 | . | . | . | . | . | . | . | . |
| Bioengineering and biomedical engineering | 11 | 11 | 4 | 9 | 6 | 3 | 12 | 8 | 5 | 9 |
| Chemical and petroleum engineering | 19 | 27 | 15 | 16 | 11 | 16 | 13 | 16 | 15 | 12 |
| Civil, environmental, and transportation engineering | 8 | 10 | 5 | 11 | 12 | 12 | 10 | 13 | 19 | 13 |
| Electrical and computer engineering | 34 | 31 | 31 | 41 | 42 | 36 | 35 | 44 | 32 | 41 |
| Industrial engineering and operations research | . | 2 | 3 | 1 | 5 | . | 1 | 2 | . | . |
| Materials and mining engineering | 23 | 21 | 16 | 15 | 17 | 16 | 22 | 20 | 11 | 15 |
| Mechanical engineering | 50 | 42 | 32 | 33 | 29 | 45 | 48 | 35 | 38 | 23 |
| Engineering, other | 12 | 10 | 12 | 17 | 14 | 14 | 18 | 4 | 15 | 10 |
| Geosciences, atmospheric, and ocean sciences | 2 | 2 | 2 | 2 | 2 | 2 | 2 | . | 1 | 2 |
| Geological sciences | . | . | . | . | . | . | . | . | . | 2 |
| Ocean, marine, and atmospheric sciences | 2 | 2 | 2 | 2 | 2 | 2 | 2 | . | 1 | . |
| Health sciences | . | . | . | . | . | . | . | 1 | . | . |
| Health sciences, other | . | . | . | . | . | . | . | 1 | . | . |
| Mathematics and statistics | 18 | 25 | 16 | 24 | 24 | 17 | 16 | 19 | 19 | 15 |
| Applied mathematics | 3 | 6 | 6 | 3 | 4 | 1 | 4 | 5 | 4 | 1 |
| Mathematics | 4 | 4 | 1 | 4 | 5 | 5 | 4 | 3 | 4 | 5 |
| Statistics | 7 | 10 | 8 | 9 | 8 | 5 | 4 | 4 | 9 | 8 |
| Mathematics and statistics, other | 4 | 5 | 1 | 8 | 7 | 6 | 4 | 7 | 2 | 1 |
| Physical sciences | 25 | 28 | 18 | 20 | 29 | 32 | 30 | 23 | 24 | 17 |
| Astronomy and astrophysics | 4 | 5 | 1 | 4 | 3 | 3 | 2 | . | 1 | . |
| Chemistry | 11 | 12 | 8 | 7 | 21 | 13 | 15 | 9 | 13 | 7 |
| Physics | 10 | 11 | 9 | 9 | 5 | 16 | 13 | 14 | 10 | 10 |
| Psychology | 9 | 7 | 7 | 7 | 9 | 4 | 8 | 6 | 8 | 7 |
| Counseling and applied psychology | . | . | 2 | . | 3 | . | 1 | 2 | 2 | 3 |
| Research and experimental psychology | 6 | 3 | 2 | 5 | 5 | 3 | 3 | 2 | 4 | . |
| Psychology, other | 3 | 4 | 3 | 2 | 1 | 1 | 4 | 2 | 2 | 4 |
| Social sciences | 20 | 9 | 13 | 14 | 15 | 17 | 15 | 12 | 20 | 10 |
| Economics | 3 | 5 | 5 | 7 | 6 | 2 | 3 | 5 | 5 | 6 |
| Public policy analysis | 2 | 1 | 3 | 3 | 3 | 6 | 4 | 3 | 11 | 2 |
| Sociology, demography, and population studies | 1 | . | . | . | . | . | . | . | . | . |
| Social sciences, other | 14 | 3 | 5 | 4 | 6 | 9 | 8 | 4 | 4 | 2 |
| Non-science and engineering | 31 | 33 | 23 | 25 | 36 | 31 | 18 | 37 | 30 | 30 |
| Business | 12 | 16 | 10 | 11 | 19 | 10 | 8 | 19 | 13 | 13 |
| Business | 12 | 16 | 10 | 11 | 19 | 10 | 8 | 19 | 13 | 13 |
| Education | 4 | 1 | . | 1 | 3 | 5 | . | 1 | 4 | 4 |
| Education research | . | . | . | . | 1 | 1 | . | 1 | 1 | . |
| Teacher education and teaching fields | 4 | 1 | . | 1 | 2 | 4 | . | . | 3 | 4 |
| Humanities and arts | 8 | 9 | 9 | 7 | 12 | 12 | 9 | 17 | 9 | 10 |
| Letters | 6 | 7 | 3 | 2 | 2 | 4 | 7 | 9 | 3 | 6 |
| Foreign languages and literature | . | . | . | . | . | . | . | 3 | . | . |
| History | 1 | 1 | 3 | 5 | 5 | 4 | 2 | 5 | 6 | 3 |
| Philosophy and religious studies | 1 | 1 | 2 | . | 2 | 2 | . | . | . | 1 |
| Humanities and arts, other | . | . | 1 | . | 3 | 2 | . | . | . | . |
| Other non-science and engineering | 7 | 7 | 4 | 6 | 2 | 4 | 1 | . | 4 | 3 |
| Communication | . | 3 | . | . | . | . | . | . | . | . |
| Public administration and social services | 1 | . | . | . | 1 | . | . | . | . | . |
| Non-science and engineering, other | 6 | 4 | 4 | 6 | 1 | 4 | 1 | . | 4 | 3 |
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
