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Table 38. Postdoctoral appointees in science, engineering, and health in all institutions, by detailed field, sex, and citizenship: 2013
  Sex Citizenship
Field Postdoctoral
appointees
Male Female U.S. citizens and
permanent residents
Temporary visa holders
All surveyed fields 61,942 37,585 24,357 29,546 32,396
    Science and engineering 43,395 27,858 15,537 20,257 23,138
        Science 36,289 22,340 13,949 17,551 18,738
            Agricultural sciences 1,319 777 542 737 582
            Biological sciences 19,330 10,885 8,445 8,984 10,346
                Anatomy 258 132 126 119 139
                Biochemistry 2,097 1,308 789 889 1,208
                Biology 2,141 1,210 931 1,105 1,036
                Biometry and epidemiology 638 363 275 332 306
                Biophysics 164 111 53 65 99
                Botany 614 377 237 332 282
                Cell biology 2,387 1,334 1,053 1,102 1,285
                Ecology 107 60 47 67 40
                Entomology and parasitology 258 137 121 142 116
                Genetics 1,394 798 596 647 747
                Microbiology, immunology, and virology 2,188 1,162 1,026 1,087 1,101
                Nutrition 214 67 147 125 89
                Pathology 1,505 827 678 599 906
                Pharmacology 1,284 721 563 633 651
                Physiology 1,412 778 634 647 765
                Zoology 94 54 40 76 18
                Biological sciences nec 2,575 1,446 1,129 1,017 1,558
            Communication 76 45 31 45 31
            Computer sciences 765 625 140 302 463
            Earth, atmospheric, and ocean sciences 2,032 1,267 765 1,144 888
                Atmospheric sciences 209 148 61 89 120
                Geosciences 730 465 265 358 372
                Oceanography 423 230 193 260 163
                Earth, atmospheric, and ocean sciences nec 670 424 246 437 233
            Family and consumer sciences and human sciences 90 28 62 69 21
            Mathematical sciences 932 745 187 488 444
                Mathematics and applied mathematics 787 632 155 417 370
                Statistics 145 113 32 71 74
            Multidisciplinary and interdisciplinary studies 891 563 328 504 387
            Neuroscience 1,696 966 730 832 864
            Physical sciences 7,197 5,542 1,655 3,016 4,181
                Astronomy 407 292 115 217 190
                Chemistry 3,850 2,876 974 1,476 2,374
                Physics 2,682 2,179 503 1,186 1,496
                Physical sciences nec 258 195 63 137 121
            Psychology 1,023 422 601 785 238
                Clinical psychology 104 30 74 97 7
                Psychology, general 568 245 323 425 143
                Psychology nec 351 147 204 263 88
            Social sciences 938 475 463 645 293
                Agricultural economics 61 32 29 38 23
                Anthropology (cultural and social) 118 47 71 94 24
                Economics (except agricultural) 62 45 17 35 27
                Geography 89 49 40 49 40
                History and philosophy of science 14 10 4 6 8
                Linguistics 33 15 18 20 13
                Political science 239 128 111 169 70
                Sociology 93 35 58 70 23
                Sociology and anthropology 3 1 2 3 0
                Social sciences nec 226 113 113 161 65
        Engineering 7,106 5,518 1,588 2,706 4,400
            Aerospace engineering 202 172 30 78 124
            Agricultural engineering 152 112 40 51 101
            Architecture 17 11 6 8 9
            Biomedical engineering 1,103 751 352 519 584
            Chemical engineering 1,230 924 306 440 790
            Civil engineering 587 426 161 263 324
            Electrical engineering 1,180 993 187 433 747
            Engineering science 240 194 46 73 167
            Industrial engineering 133 103 30 62 71
            Mechanical engineering 1,034 868 166 373 661
            Metallurgical and materials engineering 809 635 174 278 531
            Mining engineering 7 6 1 4 3
            Nuclear engineering 105 94 11 32 73
            Petroleum engineering 49 38 11 6 43
            Engineering nec 258 191 67 86 172
    Health 18,547 9,727 8,820 9,289 9,258
        Clinical medicine 15,831 8,298 7,533 7,887 7,944
            Anesthesiology 439 270 169 179 260
            Cardiology 777 459 318 330 447
            Endocrinology 441 217 224 210 231
            Gastroenterology 317 167 150 119 198
            Hematology 348 169 179 149 199
            Neurology 941 503 438 405 536
            Obstetrics and gynecology 301 118 183 150 151
            Oncology and cancer research 1,859 1,037 822 785 1,074
            Ophthalmology 528 293 235 210 318
            Otorhinolaryngology 160 87 73 77 83
            Pediatrics 1,584 660 924 936 648
            Preventive medicine and community health 703 291 412 435 268
            Psychiatry 1,008 354 654 740 268
            Pulmonary disease 288 152 136 184 104
            Radiology 921 609 312 348 573
            Surgery 1,297 819 478 581 716
            Clinical medicine nec 3,919 2,093 1,826 2,049 1,870
        Other health 2,716 1,429 1,287 1,402 1,314
            Dental sciences 303 165 138 131 172
            Nursing 77 10 67 58 19
            Pharmaceutical sciences 995 623 372 437 558
            Speech pathology and audiology 49 19 30 42 7
            Veterinary sciences 564 264 300 362 202
            Other health nec 728 348 380 372 356

nec = not elsewhere classified.
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.