Table 5-3. Graduate students, postdoctoral appointees, and doctorate-holding nonfaculty researchers in science, engineering, and health, by broad field and Carnegie classification: 2018
2015 Carnegie classification by area of study
Graduate students
Postdoctoral appointees
Doctorate-holding nonfaculty researchers
All graduate students
Master's
Doctoral
Number
Percent
Number
Percent
Number
Percent
Number
Percent
Number
Percent
All broad fields
668,307
100.0
391,211
100.0
277,096
100.0
64,783
100.0
29,284
100.0
Doctoral: highest research
411,004
61.5
196,681
50.3
214,323
77.3
51,985
80.2
24,229
82.7
Doctoral: higher research
110,452
16.5
68,420
17.5
42,032
15.2
4,018
6.2
2,520
8.6
Doctoral: moderate research
45,156
6.8
37,429
9.6
7,727
2.8
882
1.4
388
1.3
Master's: larger programs
71,344
10.7
68,825
17.6
2,519
0.9
147
0.2
115
0.4
Master's: medium programs
6,531
1.0
5,940
1.5
591
0.2
79
0.1
53
0.2
Master's: small programs and baccalaureate
6,470
1.0
5,529
1.4
941
0.3
54
0.1
17
0.1
Medical schools and centers
15,215
2.3
7,340
1.9
7,875
2.8
6,406
9.9
1,641
5.6
Other 4-year special focus
858
0.1
616
0.2
242
0.1
5
*
13
*
Not classified
1,277
0.2
431
0.1
846
0.3
1,207
1.9
308
1.1
Science
432,255
100.0
241,327
100.0
190,928
100.0
37,564
100.0
18,278
100.0
Doctoral: highest research
259,137
60.0
111,989
46.4
147,148
77.1
29,523
78.6
14,978
81.9
Doctoral: higher research
70,729
16.4
42,075
17.4
28,654
15.0
2,882
7.7
1,736
9.5
Doctoral: moderate research
31,429
7.3
26,074
10.8
5,355
2.8
261
0.7
178
1.0
Master's: larger programs
50,135
11.6
48,672
20.2
1,463
0.8
109
0.3
47
0.3
Master's: medium programs
4,817
1.1
4,439
1.8
378
0.2
61
0.2
15
0.1
Master's: small programs and baccalaureate
5,034
1.2
4,441
1.8
593
0.3
50
0.1
17
0.1
Medical schools and centers
9,592
2.2
3,159
1.3
6,433
3.4
3,564
9.5
1,029
5.6
Other 4-year special focus
402
0.1
249
0.1
153
0.1
1
*
3
*
Not classified
980
0.2
229
0.1
751
0.4
1,113
3.0
275
1.5
Engineering
163,301
100.0
93,064
100.0
70,237
100.0
7,914
100.0
3,570
100.0
Doctoral: highest research
116,558
71.4
59,660
64.1
56,898
81.0
7,061
89.2
2,843
79.6
Doctoral: higher research
28,822
17.6
17,977
19.3
10,845
15.4
622
7.9
493
13.8
Doctoral: moderate research
6,245
3.8
4,873
5.2
1,372
2.0
74
0.9
76
2.1
Master's: larger programs
9,532
5.8
9,006
9.7
526
0.7
26
0.3
59
1.7
Master's: medium programs
841
0.5
647
0.7
194
0.3
18
0.2
38
1.1
Master's: small programs and baccalaureate
485
0.3
459
0.5
26
*
2
*
0
0.0
Medical schools and centers
340
0.2
55
0.1
285
0.4
94
1.2
37
1.0
Other 4-year special focus
456
0.3
367
0.4
89
0.1
4
0.1
10
0.3
Not classified
22
*
20
*
2
*
13
0.2
14
0.4
Health
72,751
100.0
56,820
100.0
15,931
100.0
19,305
100.0
7,436
100.0
Doctoral: highest research
35,309
48.5
25,032
44.1
10,277
64.5
15,401
79.8
6,408
86.2
Doctoral: higher research
10,901
15.0
8,368
14.7
2,533
15.9
514
2.7
291
3.9
Doctoral: moderate research
7,482
10.3
6,482
11.4
1,000
6.3
547
2.8
134
1.8
Master's: larger programs
11,677
16.1
11,147
19.6
530
3.3
12
0.1
9
0.1
Master's: medium programs
873
1.2
854
1.5
19
0.1
0
0.0
0
0.0
Master's: small programs and baccalaureate
951
1.3
629
1.1
322
2.0
2
*
0
0.0
Medical schools and centers
5,283
7.3
4,126
7.3
1,157
7.3
2,748
14.2
575
7.7
Other 4-year special focus
0
0.0
0
0.0
0
0.0
0
0.0
0
0.0
Not classified
275
0.4
182
0.3
93
0.6
81
0.4
19
0.3
