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Table 26. Doctorates awarded for 10 largest countries of origin of temporary visa holders earning doctorates at U.S. colleges and universities, by country or economy of citizenship and field: 2005–15

Country or economy and field 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Chinaa 3,588 4,448 4,721 4,528 4,101 3,744 3,988 4,222 4,796 4,983 5,384
Science and engineering 3,347 4,123 4,320 4,148 3,753 3,457 3,652 3,906 4,443 4,651 4,979
Non-science and engineering 241 325 401 380 348 287 336 316 353 332 405
India 1,186 1,606 2,074 2,318 2,272 2,142 2,165 2,248 2,204 2,316 2,230
Science and engineering 1,093 1,496 1,923 2,158 2,112 1,994 2,036 2,142 2,074 2,208 2,121
Non-science and engineering 93 110 151 160 160 148 129 106 130 108 109
South Korea 1,442 1,546 1,442 1,442 1,526 1,381 1,445 1,472 1,383 1,284 1,237
Science and engineering 1,136 1,198 1,129 1,153 1,179 1,076 1,085 1,132 1,012 928 923
Non-science and engineering 306 348 313 289 347 305 360 340 371 356 314
Taiwan 661 668 693 641 735 650 693 719 699 668 615
Science and engineering 443 452 478 462 544 501 570 581 571 558 515
Non-science and engineering 218 216 215 179 191 149 123 138 128 110 100
Canada 463 465 511 499 516 469 455 423 485 488 452
Science and engineering 330 327 353 370 387 339 307 299 332 321 317
Non-science and engineering 133 138 158 129 129 130 148 124 153 167 135
Turkey 390 414 522 560 527 477 493 439 478 426 469
Science and engineering 321 321 410 467 445 405 422 352 391 360 387
Non-science and engineering 69 93 112 93 82 72 71 87 87 66 82
Thailand 322 260 266 330 242 222 266 260 264 231 221
Science and engineering 281 218 236 291 220 182 235 240 227 200 194
Non-science and engineering 41 42 30 39 22 40 31 20 37 31 27
Iran 115 128 133 137 141 147 198 287 409 483 632
Science and engineering D D D 132 D D 193 278 380 463 611
Non-science and engineering D D D 5 D D 5 9 29 20 21
Japan 263 271 276 256 256 236 244 240 217 173 163
Science and engineering 190 194 211 209 193 173 179 179 166 129 119
Non-science and engineering 73 77 65 47 63 63 65 61 51 44 44
Mexico 231 210 208 204 215 201 185 213 177 193 194
Science and engineering 196 173 172 161 171 169 159 185 146 161 155
Non-science and engineering 35 37 36 43 44 32 26 28 31 32 39
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.