Table 49. Postdoctoral appointees in science, engineering, and health in all institutions, by type of doctoral degree, primary mechanism of support, and field: 2015
Type of doctoral degree and primary mechanism of support
All science, engineering, and health
Science and engineering
Health
Total
Science
Engineering
Total
Clinical medicinea
Other health
All degree types
63,861
45,295
37,639
7,656
18,566
15,850
2,716
Fellowships
6,286
4,079
3,555
524
2,207
1,854
353
Research grants
39,811
30,742
24,996
5,746
9,069
7,583
1,486
Traineeships
3,884
1,873
1,762
111
2,011
1,796
215
Other support
13,880
8,601
7,326
1,275
5,279
4,617
662
Doctoral degreeb
45,001
34,062
28,333
5,729
10,939
9,409
1,530
Fellowships
3,708
2,760
2,464
296
948
826
122
Research grants
29,714
23,486
19,119
4,367
6,228
5,287
941
Traineeships
2,490
1,440
1,361
79
1,050
927
123
Other support
9,089
6,376
5,389
987
2,713
2,369
344
Professional degreeb
4,210
846
799
47
3,364
3,114
250
Fellowships
877
94
89
5
783
724
59
Research grants
1,224
456
422
34
768
692
76
Traineeships
593
69
69
0
524
483
41
Other support
1,516
227
219
8
1,289
1,215
74
Dual degreeb
1,056
295
273
22
761
691
70
Fellowships
138
26
23
3
112
102
10
Research grants
437
145
134
11
292
244
48
Traineeships
98
18
16
2
80
77
3
Other support
383
106
100
6
277
268
9
Doctoral degree type unknown
13,594
10,092
8,234
1,858
3,502
2,636
866
Fellowships
1,563
1,199
979
220
364
202
162
Research grants
8,436
6,655
5,321
1,334
1,781
1,360
421
Traineeships
703
346
316
30
357
309
48
Other support
2,892
1,892
1,618
274
1,000
765
235