Data
Iowa State U.
Fields | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 |
---|---|---|---|---|---|---|---|---|---|---|
All fields | 367 | 325 | 407 | 389 | 390 | 350 | 322 | 320 | 349 | 349 |
Science and engineering | 328 | 293 | 366 | 341 | 325 | 285 | 275 | 270 | 291 | 285 |
Science | 210 | 197 | 225 | 215 | 202 | 185 | 179 | 189 | 198 | 204 |
Life science | 89 | 88 | 100 | 99 | 91 | 74 | 81 | 79 | 85 | 94 |
Agricultural sciences | 27 | 26 | 37 | 33 | 26 | 28 | 18 | 21 | 22 | 29 |
Biological sciences | 58 | 51 | 56 | 62 | 57 | 41 | 56 | 53 | 56 | 54 |
Health sciences | 4 | 11 | 7 | 4 | 8 | 5 | 7 | 5 | 7 | 11 |
Physical sciences and earth sciences | 42 | 25 | 43 | 43 | 34 | 39 | 28 | 57 | 35 | 39 |
Chemistry | 25 | 15 | 28 | 25 | 19 | 22 | 17 | 40 | 22 | 30 |
Earth, atmospheric, and ocean sciences | 2 | 2 | 2 | 8 | 4 | 3 | 3 | 1 | 3 | 2 |
Physics and astronomy | 15 | 8 | 13 | 10 | 11 | 14 | 8 | 16 | 10 | 7 |
Mathematics and computer sciences | 47 | 43 | 36 | 40 | 46 | 39 | 27 | 26 | 51 | 39 |
Computer sciences | 16 | 15 | 8 | 12 | 14 | 13 | 12 | 5 | 13 | 14 |
Mathematics | 31 | 28 | 28 | 28 | 32 | 26 | 15 | 21 | 38 | 25 |
Psychology and social sciences | 32 | 41 | 46 | 33 | 31 | 33 | 43 | 27 | 27 | 32 |
Psychology | 15 | 22 | 20 | 18 | 17 | 17 | 13 | 11 | 13 | 13 |
Anthropology | 1 | . | . | . | . | . | . | 1 | . | . |
Economics | 8 | 10 | 13 | 5 | 9 | 9 | 12 | 7 | 9 | 11 |
Sociology | 3 | 2 | 5 | 4 | 2 | 4 | 4 | 5 | 4 | 5 |
Other social sciences | 5 | 7 | 8 | 6 | 3 | 3 | 14 | 3 | 1 | 3 |
Engineering | 118 | 96 | 141 | 126 | 123 | 100 | 96 | 81 | 93 | 81 |
Aeronautical/astronautical engineering | 5 | 5 | 8 | 8 | 10 | 10 | 8 | 6 | . | 7 |
Biological/biomedical sciences | 1 | 4 | . | 1 | 1 | 1 | 1 | 3 | 1 | . |
Chemical engineering | 11 | 10 | 11 | 11 | 8 | 6 | 5 | 10 | 12 | 5 |
Civil engineering | 12 | 14 | 19 | 21 | 16 | 11 | 8 | 7 | 7 | 4 |
Electrical engineering | 20 | 12 | 24 | 13 | 22 | 18 | 15 | 14 | 15 | 13 |
Industrial engineering | 12 | 4 | 4 | 5 | 7 | 5 | 2 | 4 | 4 | 4 |
Materials/metallurgical engineering | 13 | 6 | 7 | 10 | 10 | 5 | 13 | 8 | 13 | 10 |
Mechanical engineering | 18 | 22 | 27 | 21 | 23 | 18 | 11 | 11 | 17 | 9 |
Other engineering | 26 | 19 | 41 | 36 | 26 | 26 | 33 | 18 | 24 | 29 |
Non-science and engineering | 39 | 32 | 41 | 48 | 65 | 65 | 47 | 50 | 58 | 64 |
Education | 13 | 17 | 16 | 25 | 38 | 34 | 27 | 28 | 36 | 43 |
Education administration | 1 | 1 | 1 | 4 | 15 | 17 | 9 | 10 | 11 | 14 |
Education research | 7 | 8 | 6 | 8 | 8 | 7 | 10 | 9 | 13 | 19 |
Teacher education | . | . | . | . | . | . | . | . | . | 1 |
Teaching fields | 4 | 4 | 4 | 7 | 10 | 5 | 6 | 6 | 8 | 7 |
Other education | 1 | 4 | 5 | 6 | 5 | 5 | 2 | 3 | 4 | 2 |
Humanities | 3 | 1 | 9 | 4 | 10 | 7 | 6 | 5 | 4 | 8 |
Foreign languages & literature | . | . | . | . | . | . | . | . | . | 1 |
History | . | . | 5 | 1 | 2 | 2 | 2 | . | 2 | 2 |
Letters | 3 | 1 | 4 | 3 | 8 | 4 | 2 | 5 | 2 | 5 |
Other humanities and arts | . | . | . | . | . | 1 | 2 | . | . | . |
Other | 23 | 14 | 16 | 19 | 17 | 24 | 14 | 17 | 18 | 13 |
Business management/administration | 15 | 10 | 12 | 12 | 13 | 13 | 8 | 13 | 15 | 10 |
Communication | . | . | . | 1 | . | 1 | 1 | . | 1 | . |
Fields not elsewhere classified (nec) | 8 | 4 | 4 | 6 | 4 | 10 | 5 | 4 | 2 | 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