1963

1964

1965

1966

1967

1968

1969

1970

1971

1972

1973

1974

1975

1976

1977

1978

1979

Temp visas staying in US

103

104

125

157

174

186

191

178

147

128

137

169

175

160

166

156

147

%

4.9

4.4

4.7

5.4

5.5

5.0

4.7

4.0

3.0

2.6

2.8

3.6

3.6

3.3

3.5

3.2

3.0

Temp visas leaving US

168

229

280

262

260

301

284

324

336

345

342

367

334

318

327

325

335

%

8.0

9.7

10.4

9.1

8.3

8.1

7.0

7.2

6.7

7.1

7.0

7.8

6.9

6.6

7.0

6.8

6.8

Total temporary residents

325

415

518

525

517

586

589

606

589

574

584

663

628

603

623

602

606

%

15.5

17.6

19.3

18.2

16.4

15.9

14.4

13.5

11.8

11.8

11.9

14.0

13.0

12.6

13.3

12.5

12.2

Postdoctoral appointments

485

567

709

764

873

1095

1305

1607

1729

1720

1797

1655

1970

2046

2026

2161

2274

%

23.2

24.1

26.4

26.5

27.7

29.6

32.0

35.7

34.7

35.4

36.6

35.0

40.6

42.6

43.2

44.9

46.0

Elapsed time to degree

 

 

 

 

 

 

 

6.0

6.0

6.2

6.3

6.3

6.2

6.4

6.5

6.5

6.6

Median age at time of degree

 

 

 

 

 

 

 

29.3

29.4

29.8

30.1

30.1

29.8

29.8

29.9

30.0

29.9



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