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Table 26. Doctorates awarded for the top 10 countries of origin of temporary visa holders earning doctorates at U.S. colleges and universities, by country or economy of citizenship and field: 2006–16

Country or economy and field 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Chinaa 4,448 4,721 4,528 4,101 3,744 3,988 4,222 4,796 4,983 5,374 5,534
Science and engineering 4,123 4,320 4,148 3,753 3,457 3,652 3,906 4,443 4,651 4,970 5,146
Non-science and engineering 325 401 380 348 287 336 316 353 332 404 388
India 1,606 2,074 2,318 2,272 2,142 2,165 2,248 2,204 2,316 2,229 2,203
Science and engineering 1,496 1,923 2,158 2,112 1,994 2,036 2,142 2,074 2,208 2,119 2,093
Non-science and engineering 110 151 160 160 148 129 106 130 108 110 110
South Korea 1,546 1,442 1,442 1,526 1,381 1,445 1,472 1,383 1,284 1,234 1,228
Science and engineering 1,198 1,129 1,153 1,179 1,076 1,085 1,132 1,012 928 920 890
Non-science and engineering 348 313 289 347 305 360 340 371 356 314 338
Taiwan 668 693 641 735 650 693 719 699 668 614 593
Science and engineering 452 478 462 544 501 570 581 571 558 514 500
Non-science and engineering 216 215 179 191 149 123 138 128 110 100 93
Turkey 414 522 560 527 477 493 439 478 426 469 472
Science and engineering 321 410 467 445 405 422 352 391 360 386 380
Non-science and engineering 93 112 93 82 72 71 87 87 66 83 92
Canada 465 511 499 516 469 455 423 485 488 454 407
Science and engineering 327 353 370 387 339 307 299 332 321 318 271
Non-science and engineering 138 158 129 129 130 148 124 153 167 136 136
Iran 128 133 137 141 147 198 287 409 483 629 695
Science and engineering D D 132 D D 193 278 380 463 608 664
Non-science and engineering D D 5 D D 5 9 29 20 21 31
Thailand 260 266 330 242 222 266 260 264 231 220 185
Science and engineering 218 236 291 220 182 235 240 227 200 193 168
Non-science and engineering 42 30 39 22 40 31 20 37 31 27 17
Japan 271 276 256 256 236 244 240 217 173 164 166
Science and engineering 194 211 209 193 173 179 179 166 129 120 129
Non-science and engineering 77 65 47 63 63 65 61 51 44 44 37
Mexico 210 208 204 215 201 185 213 177 193 194 222
Science and engineering 173 172 161 171 169 159 185 146 161 155 192
Non-science and engineering 37 36 43 44 32 26 28 31 32 39 30
D = suppressed to avoid disclosure of confidential information.
a Includes Hong Kong.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Earned Doctorates.