Table 6-2
Non-U.S. citizen Ph.D.s staying in the United States after graduation, by region of origin and visa status: 1970–74 and 1995–99
 
Region

All
non-U.S. citizens

Permanent
residents
Temporary
residents
Africa
1970–74 406 194 212
1995–99 653 211 442
Americas
1970–74 1,120 606 514
1995–99 2,263 778 1,485
Asia
1970–74 4,078 2,426 1,652
1995–99 17,233 5,491 11,742
Australasia/Pacific
1970–74 189 87 102
1995–99 237 75 162
Europe
1970–74 1,357 887 470
1995–99 4,241 1,399 2,842
 
SOURCE: NSF/NIH/USED/NEH/USDA/NASA, Survey of Earned Doctorates and Doctorate Records File.
 
U.S. Doctorates in the 20th Century