Table 5-1. Estimated percent distribution of doctoral scientists, 

 by field, 1966-73 



Field 



Total 



Physical scientists 



Chemists 



Physicists and astronomers 



Earth scientists 



Atmospheric scientists 



Mathematical scientists 



Life scientists 



Biological scientists 



Agricultural scientists 



Psychologists 



Social scientists 



Economists 



Sociologists and anthropologists 

 Other social scientists 



NOTE Detail may not add to totals because of rounding 



' Less ttian 5 percent 



SOURCE: National Science Foundation, special tabulations 



Table 5-2. Distribution of employed doctoral scientists and engineers, 

 by employment sector, 1973 



All doctoral 

 scientists 



and engineers Scientists Engineers 



Employment sector Number Percent' Number Percent' Number Percent' 



Total 226,750 100 190,563 100 36,187 100 



Business & industry 50,022 22 32,674 17 17,348 49 



Educational institutions 132,692 59 119,670 64 13,022 37 



Four-year universities 



and colleges 128,095 57 115,224 61 12,871 36 



Two-year colleges 3,061 1 2,920 2 141 (') 



Elementary and secondary 



schools 1,536 1 1,526 1 10 P) 



Hospitals & clinics 5,714 3 5,651 3 63 {'} 



Nonprofit organizations 7,853 4 6,562 3 1,291 4 



Government 23,543 11 20.027 11 3,516 10 



Federal 19,624 9 16.371 9 3,253 9 



State 2.597 1 2.455 1 142 {') 



Other 1.322 1 1.201 1 121 (') 



Other employment sectors 3.390 2 2.964 2 426 1 



Employment sector unreported 3,536 — 3,015 — 521 — 



' Excluding those whose employment sector was not reported 

 ' Less than 5 percent 



NOTE: Detail may not add to totals because of rounding- 



SOURCE National Science Foundation. Characteristics of Doctoral Scientists and Engineers in the United States, 1973. Detailed Statistical Tables (NSF 

 75-312-A). 



229 



