Table 3-3
Leading major fields of study in order of doctorates awarded: 1920–24 and 1995–99
 
1920–24   1995–99
Physical sciences   Education
Humanities   Engineering
Biological sciences   Biological sciences
Social sciences   Humanities
Education   Social sciences
 
SOURCE: NSF/NIH/USED/NEH/USDA/NASA, Survey of Earned Doctorates and Doctorate Records File.
 
U.S. Doctorates in the 20th Century