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Table 4-9b. Geosciences, atmospheric sciences, and ocean sciences postdoctoral appointee and doctorate-holding nonfaculty researcher demographics and funding: 2018

Characteristic Postdoctoral appointees Doctorate-holding nonfaculty researchers
Number Percent Number Percent
Institutions 137 19.2 110 15.4
Schools 137 16.8 110 13.5
Units 250 1.3 206 1.1
All individuals 1,726 100.0 2,106 100.0
Male 1,073 62.2 1,423 67.6
Female 653 37.8 683 32.4
U.S. citizens and permanent residentsa 899 52.1 na na
Hispanic or Latino 47 2.7 na na
Not Hispanic or Latino
American Indian or Alaska Native 7 0.4 na na
Asian 100 5.8 na na
Black or African American 20 1.2 na na
Native Hawaiian or Other Pacific Islander 3 0.2 na na
White 599 34.7 na na
More than one race 29 1.7 na na
Unknown ethnicity and race 94 5.4 na na
Temporary visa holders 827 47.9 na na
Primary source of support
Federal 901 52.2 na na
Nonfederalb 725 42.0 na na
Personal resources 35 2.0 na na
Unknown or not stated 65 3.8 na na
Primary mechanism of support
Fellowships 246 14.3 na na
Research grants 1,151 66.7 na na
Traineeships 17 1.0 na na
Other types of support 312 18.1 na na
Degree typec
Doctoral degree 1,427 82.7 1,662 78.9
Professional degree 17 1.0 21 1.0
Dual degree 6 0.3 10 0.5
Unknown 276 16.0 413 19.6
Degree origin
United States 795 46.1 na na
Foreign country 462 26.8 na na
Unknown 469 27.2 na na
na = not applicable; citizenship, race and ethnicity, source of support, mechanism of support, and degree origin data are not collected for doctorate-holding nonfaculty researchers.
a Ethnicity and race data are available only for U.S. citizens and permanent residents.
b Nonfederal includes foreign support.
c Doctoral degree includes PhD, ScD, DEng, etc.; professional degree includes MD, DVM, DO, DDS, etc.; dual degree includes both professional and doctoral degrees (MD-PhD, DVM-PhD, etc.).
NOTES: "Field" refers to the field of the unit that reports postdoctorates and doctorate-holding nonfaculty researchers to the Survey of Graduate Students and Postdoctorates in Science and Engineering. Percentages may not add to total because of rounding.
SOURCE: National Center for Science and Engineering Statistics, Survey of Graduate Students and Postdoctorates in Science and Engineering, 2018.