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Table 10. U.S. residing employed doctoral scientists and engineers, by field of doctorate and age: 2015

Field All employed Under 35 35–39 40–44 45–49 50–54 55–59 60–64 65–75
Number SE Number SE Number SE Number SE Number SE Number SE Number SE Number SE Number SE
All fields 787,250 1,900 81,800 900 108,100 1,250 104,300 1,450 100,750 1,450 102,050 1,275 94,700 1,400 93,500 1,275 102,050 1,325
Science 597,050 1,975 58,500 775 79,750 1,075 77,050 1,100 75,450 1,275 75,100 1,125 71,500 1,150 75,800 1,225 83,900 1,275
Biological/agricultural/environmental life sciences 195,050 1,075 21,850 500 31,150 650 27,350 675 24,650 675 24,250 725 23,800 675 23,000 625 19,050 625
Agricultural/food sciences 18,050 400 1,100 100 1,750 150 1,800 175 2,000 175 2,750 200 3,300 225 3,400 225 2,000 225
Biochemistry/biophysics 28,050 425 2,850 200 4,400 300 3,800 300 3,550 300 3,750 300 3,400 275 3,150 275 3,200 300
Cell/molecular biology 23,300 350 2,650 225 4,050 325 3,950 350 4,100 425 3,000 275 3,000 275 1,600 225 1,000 175
Environmental life sciences 8,400 225 500 75 1,050 100 1,150 100 1,050 100 1,250 125 1,100 100 1,350 200 950 150
Microbiology 12,950 350 1,750 125 2,200 200 1,850 200 1,350 200 1,600 200 1,400 175 1,500 200 1,300 200
Zoology 7,750 250 200 50 550 125 800 125 1,100 150 750 125 1,350 175 1,250 150 1,850 200
Other biological sciences 96,550 625 12,800 400 17,150 525 14,050 475 11,550 500 11,150 525 10,250 425 10,750 400 8,750 425
Computer/information sciences 24,600 325 3,700 250 5,000 325 3,900 300 3,450 300 3,150 250 2,800 250 2,000 200 700 150
Mathematics/statistics 35,950 550 5,050 275 4,850 350 4,250 300 4,350 350 4,600 375 3,800 300 3,900 300 5,150 325
Physical sciences 131,550 950 14,400 400 17,400 500 16,150 525 16,650 600 18,700 650 16,750 525 14,350 575 17,150 625
Astronomy/astrophysics 5,350 150 600 75 1,000 125 550 100 750 100 700 100 450 100 550 100 750 125
Chemistry, except biochemistry 65,700 600 7,700 350 8,900 375 8,400 400 8,400 425 9,450 475 8,350 400 7,000 475 7,550 425
Earth/atmospheric/ocean sciencesa 21,050 250 1,650 100 2,400 150 2,450 150 2,300 175 3,100 200 3,250 200 2,900 175 3,000 175
Physics 39,450 550 4,450 225 5,100 325 4,700 350 5,250 350 5,450 375 4,700 350 3,900 325 5,900 375
Psychology 114,200 750 7,400 325 11,300 450 13,700 475 13,100 500 12,600 525 13,500 575 18,950 625 23,700 700
Social sciences 95,650 950 6,100 325 10,050 375 11,750 475 13,250 450 11,900 475 10,800 450 13,600 525 18,150 625
Economics 25,900 500 2,350 225 3,400 250 2,800 250 3,400 250 3,400 250 2,850 225 3,200 275 4,550 325
Political sciences 21,750 450 1,400 175 1,650 175 2,950 300 3,350 300 2,900 325 2,550 275 3,050 300 3,900 350
Sociology 14,950 300 650 100 1,750 150 1,850 175 1,850 175 1,600 175 1,650 200 2,000 225 3,550 275
Other social sciences 33,100 500 1,700 175 3,200 200 4,200 225 4,650 275 4,000 300 3,800 250 5,350 325 6,150 350
Engineering 151,900 925 20,900 500 23,450 625 22,600 750 20,800 650 22,450 725 17,100 650 11,550 575 13,100 575
Aerospace/aeronautical/astronautical engineering 6,400 175 900 100 750 125 850 150 750 125 1,100 175 850 150 350 100 900 150
Chemical engineering 17,500 375 2,900 225 2,500 225 2,800 250 2,550 275 2,350 250 2,400 275 1,100 225 850 175
Civil engineering 13,550 350 1,150 150 1,600 200 1,900 250 1,450 200 2,250 250 1,700 200 1,650 225 1,850 225
Electrical/computer engineering 44,100 500 5,650 325 7,350 400 7,150 350 6,500 375 6,400 350 4,900 400 3,050 325 3,100 325
Materials and metallurgical engineering 15,300 275 2,450 200 2,600 250 2,300 250 1,900 200 2,200 200 1,550 200 1,050 150 1,250 150
Mechanical engineering 22,150 450 3,200 275 3,100 250 3,350 300 3,550 375 3,800 325 2,200 250 1,550 225 1,400 200
Other engineering 32,900 400 4,700 225 5,550 275 4,150 275 4,000 250 4,350 250 3,600 225 2,750 225 3,800 250
Health 38,350 475 2,400 175 4,900 275 4,650 300 4,500 300 4,500 300 6,150 375 6,150 400 5,100 425
Codes used in data tables: * = suppressed when population estimate < 25. D = suppressed to avoid disclosure of confidential information. S = suppressed for reliability; coefficient of variation exceeds publication standards.
SE = standard error.
a Includes other physical sciences.
NOTES: Numbers are rounded to the nearest 50. Standard errors are rounded up to the nearest 25. Detail may not add to total because of rounding. Residence location is based on reported living location on 1 February 2015.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Doctorate Recipients, 2015.