Table 54. Doctorate-holding nonfaculty researchers in science, engineering, and health in all institutions, by detailed field and doctoral degree type: 2015
Field
Total
Doctoral degreea
Professional degreea
Dual degreea
Doctoral degree type unknowna
All surveyed fields
25,292
18,161
1,735
367
5,029
Science and engineering
18,596
14,210
626
163
3,597
Science
15,667
11,895
590
150
3,032
Agricultural sciences
747
588
10
4
145
Biological sciences
6,948
5,039
399
102
1,408
Anatomy
52
37
8
3
4
Biochemistry
697
516
20
6
155
Biology
624
552
18
8
46
Biometry and epidemiology
405
210
11
5
179
Biophysics
36
33
2
0
1
Botany and plant biology
241
210
9
0
22
Cell and molecular biology
648
487
32
9
120
Ecology
63
40
0
0
23
Entomology and parasitology
134
113
2
0
19
Genetics
460
350
19
6
85
Microbiology, immunology, and virology
797
498
53
12
234
Nutrition
188
111
15
1
61
Pathology
444
325
56
6
57
Pharmacology and toxicology
399
343
22
5
29
Physiology
533
372
53
23
85
Zoology
27
15
0
0
12
Biosciences nec
1,200
827
79
18
276
Communication
31
23
1
1
6
Computer sciences
459
354
1
8
96
Earth, atmospheric, and ocean sciences
1,754
1,330
10
12
402
Atmospheric sciences
323
224
4
5
90
Geosciences
598
555
0
0
43
Ocean sciences
405
354
4
7
40
Earth, atmospheric, and ocean sciences nec
428
197
2
0
229
Family and consumer sciences and human sciences
74
60
4
0
10
Mathematics and statistics
235
222
0
1
12
Mathematics and applied mathematics
188
179
0
1
8
Statistics
47
43
0
0
4
Multidisciplinary and interdisciplinary studies
630
431
34
1
164
Neurobiology and neuroscience
718
552
61
9
96
Physical sciences
2,701
2,241
20
6
434
Astronomy and astrophysics
422
296
0
0
126
Chemistry
902
768
4
6
124
Physics
1,099
909
13
0
177
Physical sciences nec
278
268
3
0
7
Psychology
472
397
5
3
67
Clinical psychology
40
30
2
0
8
Psychology, general
213
178
1
0
34
Psychology nec
219
189
2
3
25
Social sciences
898
658
45
3
192
Agricultural economics
44
37
0
0
7
Anthropology
77
70
3
0
4
Economics (except agricultural)
72
57
3
0
12
Geography
48
38
2
0
8
History and philosophy of science
11
10
1
0
0
Linguistics
20
13
0
0
7
Political science and government
338
203
20
3
112
Sociology
76
59
7
0
10
Sociology and anthropology
0
0
0
0
0
Social sciences nec
212
171
9
0
32
Engineering
2,929
2,315
36
13
565
Aerospace engineering
67
61
0
0
6
Agricultural engineering
70
60
0
0
10
Architecture
6
2
0
0
4
Biomedical engineering
289
219
9
7
54
Chemical engineering
264
221
2
0
41
Civil engineering
364
285
3
0
76
Electrical engineering
492
390
5
1
96
Engineering science, mechanics, and physics
184
164
0
0
20
Industrial and manufacturing engineering
150
119
1
4
26
Mechanical engineering
425
344
6
1
74
Metallurgical and materials engineering
295
257
2
0
36
Mining engineering
20
20
0
0
0
Nuclear engineering
26
26
0
0
0
Petroleum engineering
56
52
4
0
0
Engineering nec
221
95
4
0
122
Health
6,696
3,951
1,109
204
1,432
Clinical medicine
5,494
3,181
929
176
1,208
Anesthesiology
128
75
28
9
16
Cardiovascular science
314
164
89
18
43
Endocrinology
128
82
22
5
19
Gastroenterology
87
64
13
2
8
Hematology
139
107
16
6
10
Neurology
384
227
69
10
78
Obstetrics and gynecology
123
57
30
2
34
Oncology and cancer research
503
357
52
22
72
Ophthalmology
233
124
40
3
66
Otorhinolaryngology
65
27
12
4
22
Pediatrics
636
420
85
5
126
Preventive medicine and community health
628
263
28
4
333
Psychiatry
149
116
16
1
16
Pulmonary disease
93
56
17
4
16
Radiology
373
225
51
11
86
Surgery
381
205
89
15
72
Clinical medicine nec
1,130
612
272
55
191
Other health
1,202
770
180
28
224
Communication disorders sciences
67
48
7
2
10
Dental sciences
93
57
24
3
9
Nursing science
40
30
3
0
7
Pharmaceutical sciences
378
275
21
4
78
Veterinary sciences
312
175
71
15
51
Other health nec
312
185
54
4
69
