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Table 41. Postdoctoral appointees in science, engineering, and health in all institutions, by field, primary source of support, and primary mechanism of support: 2013
Field and primary source of support Total Fellowships Research grants Traineeships Other types
of support
All surveyed fields 61,942 6,483 39,635 3,683 12,141
   Federal 33,382 2,254 27,408 2,987 733
      DOD 2,393 111 2,227 31 24
      DOE 1,845 45 1,746 9 45
      HHS 20,697 1,565 16,193 2,681 258
         NIH 19,784 1,503 15,430 2,614 237
         Other HHS 913 62 763 67 21
      NASA 598 57 526 4 11
      NSF 4,153 188 3,718 46 201
      USDA 693 28 628 14 23
      Other 3,003 260 2,370 202 171
   Nonfederal 22,712 3,599 10,221 624 8,268
      Institutional 12,254 1,501 4,736 443 5,574
      Domestic 8,713 1,448 4,884 159 2,222
      Foreign 1,745 650 601 22 472
   Self-support 588 na na na 588
   Unknown 5,260 630 2,006 72 2,552
   Science and engineering 43,395 4,162 30,128 1,617 7,488
      Federal 24,143 1,356 21,044 1,231 512
         DOD 2,070 88 1,945 17 20
         DOE 1,820 45 1,731 0 44
         HHS 12,524 802 10,565 1,053 104
            NIH 11,923 779 10,021 1,033 90
            Other HHS 601 23 544 20 14
         NASA 573 55 504 3 11
         NSF 4,082 185 3,659 46 192
         USDA 654 27 592 13 22
         Other 2,420 154 2,048 99 119
      Nonfederal 15,079 2,251 7,390 356 5,082
         Institutional 7,896 805 3,388 252 3,451
         Domestic 5,948 950 3,488 94 1,416
         Foreign 1,235 496 514 10 215
      Self-support 334 na na na 334
      Unknown 3,839 555 1,694 30 1,560
      Science 36,289 3,667 24,587 1,534 6,501
         Federal 20,517 1,220 17,750 1,181 366
            DOD 1,215 71 1,119 13 12
            DOE 1,229 24 1,182 0 23
            HHS 11,672 770 9,798 1,012 92
               NIH 11,157 748 9,339 992 78
               Other HHS 515 22 459 20 14
            NASA 493 50 435 2 6
            NSF 3,336 163 3,003 45 125
            USDA 591 25 533 12 21
            Other 1,981 117 1,680 97 87
         Nonfederal 12,383 2,033 5,585 326 4,439
            Institutional 6,616 727 2,650 231 3,008
            Domestic 4,839 874 2,622 85 1,258
            Foreign 928 432 313 10 173
         Self-support 263 na na na 263
         Unknown 3,126 414 1,252 27 1,433
   Engineering 7,106 495 5,541 83 987
        Federal 3,626 136 3,294 50 146
           DOD 855 17 826 4 8
           DOE 591 21 549 0 21
           HHS 852 32 767 41 12
              NIH 766 31 682 41 12
              Other HHS 86 1 85 0 0
           NASA 80 5 69 1 5
           NSF 746 22 656 1 67
           USDA 63 2 59 1 1
           Other 439 37 368 2 32
        Nonfederal 2,696 218 1,805 30 643
           Institutional 1,280 78 738 21 443
           Domestic 1,109 76 866 9 158
           Foreign 307 64 201 0 42
        Self-support 71 na na na 71
        Unknown 713 141 442 3 127
   Health 18,547 2,321 9,507 2,066 4,653
      Federal 9,239 898 6,364 1,756 221
         DOD 323 23 282 14 4
         DOE 25 0 15 9 1
         HHS 8,173 763 5,628 1,628 154
            NIH 7,861 724 5,409 1,581 147
            Other HHS 312 39 219 47 7
         NASA 25 2 22 1 0
         NSF 71 3 59 0 9
         USDA 39 1 36 1 1
         Other 583 106 322 103 52
      Nonfederal 7,633 1,348 2,831 268 3,186
         Institutional 4,358 696 1,348 191 2,123
         Domestic 2,765 498 1,396 65 806
         Foreign 510 154 87 12 257
      Self-support 254 na na na 254
         Unknown 1,421 75 312 42 992

na = not applicable; data were not collected at this level of detail.
DOD = Department of Defense; DOE = Department of Energy; HHS = Department of Health and Human Services; NASA = National Aeronautics and Space Administration; NIH = National Institutes of Health; NSF = National Science Foundation; USDA = U.S. Department of Agriculture.
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.