1980

1981

1982

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

Total

Temp visas staying in US

37

44

46

36

59

58

71

55

86

108

133

196

239

221

217

206

247

2772

%

2.6

2.9

3.1

2.3

3.7

3.4

4.5

3.7

5.6

6.8

7.8

11.9

14.7

14.8

13.1

13.0

14.7

5.8

Temp visas leaving US

237

261

207

256

236

286

227

224

226

217

304

316

346

348

355

311

316

7867

%

16.5

17.0

13.8

16.3

14.7

16.5

14.4

15.1

14.6

13.6

17.8

19.2

21.3

23.3

21.4

19.6

18.9

16.4

Total temporary residents

351

385

333

384

394

448

389

364

436

440

550

575

634

610

608

549

598

12871

%

24.4

25.0

22.3

24.5

24.6

25.9

24.8

24.5

28.2

27.7

32.2

35.0

39.1

40.8

36.6

34.7

35.7

26.8

Postdoctoral appointments

266

277

305

302

366

391

398

392

447

447

497

499

488

452

503

449

486

9964

%

18.5

18.0

20.4

19.2

22.9

22.6

25.3

26.4

28.9

28.1

29.1

30.4

30.1

30.3

30.3

28.3

29.0

20.8

Time to degree

6.9

6.9

7.0

7.0

7.3

7.3

7.6

7.7

8.0

8.1

8.2

8.3

8.3

8.4

8.5

8.4

8.6

 

Median age at time of degree

31.1

31.0

31.0

31.3

31.6

31.9

32.3

32.7

32.9

33.3

33.6

33.8

34.0

34.0

34.3

34.2

34.1

 



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement