| Mechanism of support and citizenship | All doctoral degree type |
Doctoral degree |
Professional degree |
Dual degree |
Doctoral degree type unknown |
|---|---|---|---|---|---|
| Imputation rate (%) All postdoctoral appointees |
4.0 | 4.8 | 6.4 | 11.8 | 12.0 |
| Fellowship | 15.4 | 10.5 | 8.2 | 10.0 | 31.4 |
| Research grant | 14.0 | 9.5 | 14.9 | 26.0 | 28.5 |
| Traineeship | 15.5 | 10.7 | 23.1 | 18.8 | 23.2 |
| Other support | 13.4 | 8.9 | 12.2 | 16.7 | 31.9 |
U.S. citizens and permanent residents |
9.8 | 6.1 | 11.3 | 28.3 | 32.7 |
| Foreign nationals with temporary visa | 7.6 | 6.2 | 14.0 | 14.5 | 17.5 |
Number imputed All postdoctoral appointees |
2,461 | 2,089 | 299 | 141 | 1,559 |
| Fellowship | 1,001 | 408 | 68 | 13 | 512 |
| Research grant | 5,561 | 2,752 | 229 | 156 | 2,431 |
| Traineeship | 571 | 237 | 172 | 24 | 138 |
| Other support | 1,627 | 714 | 187 | 57 | 716 |
U.S. citizens and permanent residents |
2,895 | 1,179 | 298 | 140 | 2,331 |
| Foreign nationals with temporary visa | 2,469 | 1,486 | 282 | 102 | 1,029 |
| 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. |
