Data
U. Maine
| Fields | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| All fields | 81 | 72 | 60 | 71 | 65 | 60 | 66 | 50 | 55 | 59 |
| Science and engineering | 68 | 63 | 49 | 60 | 54 | 46 | 60 | 41 | 46 | 47 |
| Agricultural sciences and natural resources | 6 | 8 | 6 | 9 | 11 | 11 | 6 | 10 | 3 | 7 |
| Agricultural sciences | 2 | 1 | 1 | 1 | 4 | 3 | 2 | 3 | . | 1 |
| Natural resources and conservation | 4 | 7 | 5 | 8 | 7 | 8 | 4 | 7 | 3 | 6 |
| Biological and biomedical sciences | 28 | 20 | 8 | 16 | 10 | 12 | 20 | 12 | 12 | 15 |
| Biochemistry and biophysics | 2 | . | 1 | 3 | . | 2 | . | 1 | 1 | . |
| Biology and biomedical sciences, general | 12 | 9 | 3 | 5 | 4 | 5 | 6 | 3 | . | 4 |
| Bioinformatics, biostatistics, and computational biology | . | 1 | . | . | . | . | . | . | . | 1 |
| Cellular and developmental biology, and anatomy | . | . | . | . | . | . | 1 | . | . | 2 |
| Ecology, evolutionary biology, and epidemiology | 9 | 6 | 1 | 4 | 2 | 3 | 8 | 3 | 4 | 4 |
| Genetics and genomics | . | 1 | . | . | . | . | . | . | . | . |
| Microbiology and immunology | 1 | 1 | 1 | 1 | 2 | . | 3 | . | 1 | . |
| Molecular biology | 1 | . | . | . | . | . | . | . | . | . |
| Neurobiology and neurosciences | . | . | 1 | . | . | 2 | . | 1 | . | 1 |
| Pharmacology and toxicology | . | . | . | . | . | . | 1 | . | 1 | 1 |
| Physiology, pathology, and cancer biology | 1 | . | 1 | . | . | . | . | 2 | 2 | . |
| Biology and biomedical sciences, other | 2 | 2 | . | 3 | 2 | . | 1 | 2 | 3 | 2 |
| Computer and information sciences | 2 | 3 | 2 | 1 | . | 2 | 2 | . | 1 | 3 |
| Computer science | 1 | 1 | 2 | . | . | 1 | . | . | . | 1 |
| Computer and information sciences, other | 1 | 2 | . | 1 | . | 1 | 2 | . | 1 | 2 |
| Engineering | 11 | 11 | 11 | 12 | 13 | 7 | 7 | 9 | 11 | 8 |
| Bioengineering and biomedical engineering | 2 | . | 1 | 2 | 2 | 1 | 1 | . | 1 | 2 |
| Chemical and petroleum engineering | . | 3 | 2 | 2 | 4 | 1 | 2 | 2 | 1 | 3 |
| Civil, environmental, and transportation engineering | 4 | 2 | 3 | 3 | 5 | 2 | 2 | 3 | . | 1 |
| Electrical and computer engineering | . | 1 | 1 | . | . | 1 | . | 1 | 3 | 1 |
| Industrial engineering and operations research | . | . | . | . | . | . | . | . | . | . |
| Materials and mining engineering | 2 | 2 | . | . | . | . | 1 | . | 1 | 1 |
| Mechanical engineering | 3 | 2 | 2 | 4 | 1 | 2 | . | 3 | 3 | . |
| Engineering, other | . | 1 | 2 | 1 | 1 | . | 1 | . | 2 | . |
| Geosciences, atmospheric, and ocean sciences | 8 | 9 | 7 | 5 | 6 | 4 | 9 | 4 | 9 | 2 |
| Geological sciences | 2 | 4 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Ocean, marine, and atmospheric sciences | 6 | 5 | 6 | 4 | 5 | 3 | 6 | 3 | 8 | 1 |
| Physical sciences | 3 | 5 | 7 | 10 | 7 | 5 | 8 | 3 | 2 | 3 |
| Astronomy and astrophysics | . | 1 | 1 | . | . | . | . | . | . | . |
| Chemistry | 1 | 3 | 4 | 8 | 6 | 3 | 6 | 2 | . | 1 |
| Physics | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 2 |
| Psychology | 5 | 4 | 6 | 3 | 5 | 1 | 3 | 3 | 6 | 7 |
| Clinical psychology | 2 | 3 | 4 | 2 | 4 | 1 | 2 | . | 5 | 4 |
| Counseling and applied psychology | . | . | . | . | . | . | . | 1 | . | . |
| Research and experimental psychology | 3 | 1 | 2 | 1 | . | . | 1 | . | 1 | 3 |
| Psychology, other | . | . | . | . | 1 | . | . | 2 | . | . |
| Social sciences | 5 | 3 | 2 | 4 | 2 | 4 | 5 | . | 2 | 2 |
| Anthropology | 2 | 1 | 2 | 2 | . | 1 | 1 | . | 1 | 1 |
| Economics | . | . | . | . | . | 1 | . | . | 1 | . |
| Sociology, demography, and population studies | 1 | . | . | . | . | . | . | . | . | . |
| Social sciences, other | 2 | 2 | . | 2 | 2 | 2 | 4 | . | . | 1 |
| Non-science and engineering | 13 | 9 | 11 | 11 | 11 | 14 | 6 | 9 | 9 | 12 |
| Education | 7 | 6 | 7 | 8 | 3 | 5 | 4 | 5 | 5 | 5 |
| Education leadership and administration | . | . | 1 | 3 | 1 | 2 | 1 | . | . | 1 |
| Education research | 4 | 2 | 1 | 2 | 1 | 2 | . | 2 | 2 | 2 |
| Teacher education and teaching fields | 1 | 1 | 3 | 2 | . | . | 2 | 2 | 2 | 2 |
| Education, other | 2 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | . |
| Humanities and arts | 2 | 2 | 2 | 1 | 4 | 5 | 1 | 2 | 3 | 6 |
| Letters | . | . | . | . | . | . | . | . | . | 1 |
| History | 1 | 2 | 1 | 1 | 3 | 5 | 1 | 1 | 3 | 4 |
| Music and performing arts | . | . | . | . | 1 | . | . | . | . | . |
| Humanities and arts, other | 1 | . | 1 | . | . | . | . | 1 | . | 1 |
| Other non-science and engineering | 4 | 1 | 2 | 2 | 4 | 4 | 1 | 2 | 1 | 1 |
| Communication | 1 | 1 | . | 1 | . | 3 | . | 1 | 1 | 1 |
| Public administration and social services | 1 | . | . | . | 1 | . | . | . | . | . |
| Non-science and engineering, other | 2 | . | 2 | 1 | 3 | 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
