| Field | Total | United Statesa | Foreign country | Degree origin unknown |
|---|---|---|---|---|
| All surveyed fields | 61,942 | 22,701 | 17,650 | 21,591 |
| Science and engineering | 43,395 | 16,128 | 11,975 | 15,292 |
| Science | 36,289 | 13,708 | 10,340 | 12,241 |
| Agricultural sciences | 1,319 | 476 | 200 | 643 |
| Biological sciences | 19,330 | 7,037 | 6,175 | 6,118 |
| Anatomy | 258 | 80 | 107 | 71 |
| Biochemistry | 2,097 | 689 | 702 | 706 |
| Biology | 2,141 | 1,012 | 621 | 508 |
| Biometry and epidemiology | 638 | 279 | 149 | 210 |
| Biophysics | 164 | 87 | 67 | 10 |
| Botany | 614 | 163 | 120 | 331 |
| Cell biology | 2,387 | 823 | 708 | 856 |
| Ecology | 107 | 42 | 10 | 55 |
| Entomology and parasitology | 258 | 107 | 47 | 104 |
| Genetics | 1,394 | 486 | 439 | 469 |
| Microbiology, immunology, and virology | 2,188 | 879 | 677 | 632 |
| Nutrition | 214 | 76 | 30 | 108 |
| Pathology | 1,505 | 492 | 558 | 455 |
| Pharmacology | 1,284 | 525 | 509 | 250 |
| Physiology | 1,412 | 493 | 496 | 423 |
| Zoology | 94 | 43 | 10 | 41 |
| Biological sciences nec | 2,575 | 761 | 925 | 889 |
| Communication | 76 | 38 | 11 | 27 |
| Computer sciences | 765 | 302 | 198 | 265 |
| Earth, atmospheric, and ocean sciences | 2,032 | 830 | 478 | 724 |
| Atmospheric sciences | 209 | 73 | 53 | 83 |
| Geosciences | 730 | 311 | 193 | 226 |
| Oceanography | 423 | 253 | 114 | 56 |
| Earth, atmospheric, and ocean sciences nec | 670 | 193 | 118 | 359 |
| Family and consumer sciences and human sciences | 90 | 29 | 2 | 59 |
| Mathematical sciences | 932 | 456 | 179 | 297 |
| Mathematics and applied mathematics | 787 | 404 | 143 | 240 |
| Statistics | 145 | 52 | 36 | 57 |
| Multidisciplinary and interdisciplinary studies | 891 | 324 | 122 | 445 |
| Neuroscience | 1,696 | 615 | 548 | 533 |
| Physical sciences | 7,197 | 2,537 | 2,130 | 2,530 |
| Astronomy | 407 | 155 | 122 | 130 |
| Chemistry | 3,850 | 1,339 | 1,188 | 1,323 |
| Physics | 2,682 | 1,006 | 789 | 887 |
| Physical sciences nec | 258 | 37 | 31 | 190 |
| Psychology | 1,023 | 596 | 168 | 259 |
| Clinical psychology | 104 | 76 | 7 | 21 |
| Psychology, general | 568 | 306 | 95 | 167 |
| Psychology nec | 351 | 214 | 66 | 71 |
| Social sciences | 938 | 468 | 129 | 341 |
| Agricultural economics | 61 | 23 | 4 | 34 |
| Anthropology (cultural and social) | 118 | 49 | 13 | 56 |
| Economics (except agricultural) | 62 | 35 | 10 | 17 |
| Geography | 89 | 46 | 26 | 17 |
| History and philosophy of science | 14 | 3 | 6 | 5 |
| Linguistics | 33 | 20 | 3 | 10 |
| Political science | 239 | 127 | 26 | 86 |
| Sociology | 93 | 57 | 13 | 23 |
| Sociology and anthropology | 3 | 3 | 0 | 0 |
| Social sciences nec | 226 | 105 | 28 | 93 |
| Engineering | 7,106 | 2,420 | 1,635 | 3,051 |
| Aerospace engineering | 202 | 80 | 35 | 87 |
| Agricultural engineering | 152 | 44 | 38 | 70 |
| Architecture | 17 | 4 | 0 | 13 |
| Biomedical engineering | 1,103 | 427 | 225 | 451 |
| Chemical engineering | 1,230 | 388 | 290 | 552 |
| Civil engineering | 587 | 219 | 117 | 251 |
| Electrical engineering | 1,180 | 341 | 307 | 532 |
| Engineering science | 240 | 100 | 81 | 59 |
| Industrial engineering | 133 | 60 | 19 | 54 |
| Mechanical engineering | 1,034 | 345 | 237 | 452 |
| Metallurgical and materials engineering | 809 | 242 | 194 | 373 |
| Mining engineering | 7 | 4 | 3 | 0 |
| Nuclear engineering | 105 | 52 | 22 | 31 |
| Petroleum engineering | 49 | 21 | 24 | 4 |
| Engineering nec | 258 | 93 | 43 | 122 |
| Health | 18,547 | 6,573 | 5,675 | 6,299 |
| Clinical medicine | 15,831 | 5,678 | 5,030 | 5,123 |
| Anesthesiology | 439 | 123 | 149 | 167 |
| Cardiology | 777 | 253 | 349 | 175 |
| Endocrinology | 441 | 189 | 202 | 50 |
| Gastroenterology | 317 | 117 | 166 | 34 |
| Hematology | 348 | 120 | 113 | 115 |
| Neurology | 941 | 265 | 263 | 413 |
| Obstetrics and gynecology | 301 | 97 | 114 | 90 |
| Oncology and cancer research | 1,859 | 723 | 642 | 494 |
| Ophthalmology | 528 | 148 | 264 | 116 |
| Otorhinolaryngology | 160 | 58 | 63 | 39 |
| Pediatrics | 1,584 | 757 | 541 | 286 |
| Preventive medicine and community health | 703 | 291 | 111 | 301 |
| Psychiatry | 1,008 | 520 | 178 | 310 |
| Pulmonary disease | 288 | 151 | 85 | 52 |
| Radiology | 921 | 322 | 290 | 309 |
| Surgery | 1,297 | 335 | 399 | 563 |
| Clinical medicine nec | 3,919 | 1,209 | 1,101 | 1,609 |
| Other health | 2,716 | 895 | 645 | 1,176 |
| Dental sciences | 303 | 88 | 101 | 114 |
| Nursing | 77 | 55 | 3 | 19 |
| Pharmaceutical sciences | 995 | 292 | 301 | 402 |
| Speech pathology and audiology | 49 | 18 | 2 | 29 |
| Veterinary sciences | 564 | 196 | 92 | 276 |
| Other health nec | 728 | 246 | 146 | 336 |
| nec = not elsewhere classified. |
| a United States includes Puerto Rico and U.S. territories. |
| NOTE: "Field" refers to the field of the unit that reports postdocs to the Survey of Graduate Students and Postdoctorates in Science and Engineering. |
| SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, NSF-NIH Survey of Graduate Students and Postdoctorates in Science and Engineering, 2013. |
| Data from survey cycle Fall 2013, as of 8 August 2014. |
