Total 1996-2017
Single Year
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
All area all categories all regions 2007
Rank | Country | Documents | Citable documents | Citations | Self-citations | Citations per document | H index |
---|---|---|---|---|---|---|---|
1 | United States | 511153 | 454216 | 13825910 | 6321466 | 27.05 | 1965 |
2 | China | 216225 | 214489 | 2288615 | 1248384 | 10.58 | 655 |
3 | United Kingdom | 148450 | 125467 | 3791963 | 862557 | 25.54 | 1213 |
4 | Germany | 129182 | 119315 | 3095273 | 748027 | 23.96 | 1059 |
5 | Japan | 119518 | 115481 | 2056004 | 536313 | 17.2 | 871 |
6 | France | 91287 | 85366 | 2061647 | 443048 | 22.58 | 966 |
7 | Canada | 77096 | 69929 | 1981720 | 351572 | 25.7 | 963 |
8 | Italy | 72922 | 67266 | 1643170 | 364575 | 22.53 | 839 |
9 | Spain | 57197 | 52902 | 1228329 | 278090 | 21.48 | 723 |
10 | Australia | 53095 | 47610 | 1284030 | 268889 | 24.18 | 795 |
11 | India | 52127 | 49021 | 737206 | 245024 | 14.14 | 478 |
12 | South Korea | 47623 | 46702 | 733443 | 147337 | 15.4 | 536 |
13 | Netherlands | 40545 | 36674 | 1287515 | 199934 | 31.76 | 835 |
14 | Brazil | 36573 | 35000 | 542114 | 190457 | 14.82 | 461 |
15 | Russian Federation | 35793 | 35157 | 330240 | 97189 | 9.23 | 467 |
16 | Taiwan | 32238 | 31418 | 488888 | 102041 | 15.16 | 406 |
17 | Switzerland | 29556 | 27218 | 943242 | 121800 | 31.91 | 818 |
18 | Sweden | 26311 | 24649 | 767547 | 110725 | 29.17 | 735 |
19 | Poland | 25791 | 25044 | 338375 | 74834 | 13.12 | 445 |
20 | Turkey | 25062 | 23801 | 370403 | 78479 | 14.78 | 339 |
21 | Belgium | 22081 | 20407 | 615358 | 82335 | 27.87 | 661 |
22 | Israel | 16437 | 15166 | 405627 | 52480 | 24.68 | 584 |
23 | Austria | 16189 | 14961 | 395715 | 49743 | 24.44 | 540 |
24 | Greece | 15238 | 14124 | 288489 | 43124 | 18.93 | 402 |
25 | Iran | 15048 | 14697 | 199588 | 70105 | 13.26 | 234 |
26 | Denmark | 14829 | 13626 | 481267 | 62484 | 32.45 | 619 |
27 | Finland | 14131 | 13286 | 361993 | 52155 | 25.62 | 533 |
28 | Hong Kong | 13272 | 12488 | 325481 | 34272 | 24.52 | 447 |
29 | Czech Republic | 12873 | 12534 | 188706 | 40556 | 14.66 | 367 |
30 | Mexico | 12665 | 12165 | 184145 | 36703 | 14.54 | 352 |
31 | Norway | 12302 | 11291 | 319108 | 47156 | 25.94 | 491 |
32 | Singapore | 11845 | 10986 | 266126 | 29266 | 22.47 | 454 |
33 | Portugal | 10775 | 10251 | 230387 | 40807 | 21.38 | 379 |
34 | New Zealand | 9971 | 8927 | 233710 | 31772 | 23.44 | 428 |
35 | South Africa | 9081 | 8233 | 165549 | 36614 | 18.23 | 361 |
36 | Ireland | 8869 | 7856 | 218466 | 22933 | 24.63 | 414 |
37 | Hungary | 8231 | 7842 | 152332 | 21209 | 18.51 | 363 |
38 | Argentina | 8022 | 7644 | 148902 | 29803 | 18.56 | 337 |
39 | Ukraine | 6930 | 6818 | 56626 | 13850 | 8.17 | 211 |
40 | Thailand | 6736 | 6515 | 120529 | 18068 | 17.89 | 269 |
41 | Egypt | 5827 | 5681 | 78199 | 13594 | 13.42 | 213 |
42 | Malaysia | 5379 | 5149 | 65255 | 14968 | 12.13 | 224 |
43 | Chile | 5293 | 5030 | 96929 | 19011 | 18.31 | 291 |
44 | Romania | 5011 | 4885 | 43213 | 9292 | 8.62 | 201 |
45 | Croatia | 4558 | 4395 | 45596 | 8963 | 10 | 221 |
46 | Pakistan | 4234 | 4031 | 51239 | 12945 | 12.1 | 197 |
47 | Slovakia | 4016 | 3901 | 56109 | 8704 | 13.97 | 222 |
48 | Slovenia | 3906 | 3772 | 62895 | 10577 | 16.1 | 231 |
49 | Bulgaria | 3576 | 3473 | 41341 | 6028 | 11.56 | 205 |
50 | Nigeria | 3300 | 3211 | 34843 | 7557 | 10.56 | 153 |
51 | Tunisia | 3067 | 2982 | 35237 | 7442 | 11.49 | 144 |
52 | Saudi Arabia | 2797 | 2662 | 34120 | 5066 | 12.2 | 241 |
53 | Colombia | 2510 | 2398 | 39467 | 5502 | 15.72 | 216 |
54 | Algeria | 2021 | 2009 | 20467 | 4032 | 10.13 | 125 |
55 | Venezuela | 2019 | 1939 | 23049 | 2622 | 11.42 | 181 |
56 | Lithuania | 2005 | 1945 | 22428 | 4842 | 11.19 | 165 |
57 | Serbia | 1999 | 1911 | 20546 | 4061 | 10.28 | 149 |
58 | Cuba | 1807 | 1706 | 15257 | 2470 | 8.44 | 145 |
59 | Belarus | 1795 | 1709 | 12630 | 2007 | 7.04 | 146 |
60 | Morocco | 1646 | 1572 | 19763 | 3163 | 12.01 | 151 |
61 | Jordan | 1566 | 1517 | 16554 | 1948 | 10.57 | 130 |
62 | Estonia | 1525 | 1457 | 33009 | 5118 | 21.65 | 215 |
63 | Bangladesh | 1479 | 1431 | 19685 | 3334 | 13.31 | 154 |
64 | United Arab Emirates | 1455 | 1360 | 19046 | 1597 | 13.09 | 153 |
65 | Indonesia | 1327 | 1215 | 21955 | 2664 | 16.54 | 175 |
66 | Kenya | 1266 | 1141 | 29980 | 4687 | 23.68 | 201 |
67 | Viet Nam | 1141 | 1064 | 20981 | 3052 | 18.39 | 167 |
68 | Lebanon | 1108 | 1030 | 17333 | 1455 | 15.64 | 157 |
69 | Kuwait | 974 | 936 | 12205 | 1236 | 12.53 | 123 |
70 | Philippines | 973 | 861 | 22212 | 1965 | 22.83 | 189 |
71 | Puerto Rico | 881 | 848 | 19027 | 1105 | 21.6 | 184 |
72 | Cyprus | 810 | 754 | 14689 | 1779 | 18.13 | 151 |
73 | Iceland | 777 | 711 | 30190 | 2589 | 38.85 | 251 |
74 | Sri Lanka | 744 | 664 | 11410 | 918 | 15.34 | 135 |
75 | Peru | 701 | 660 | 18772 | 1695 | 26.78 | 179 |
76 | Latvia | 670 | 650 | 7506 | 1013 | 11.2 | 129 |
77 | Uruguay | 666 | 630 | 14624 | 1715 | 21.96 | 150 |
78 | Tanzania | 640 | 606 | 16221 | 2468 | 25.35 | 136 |
79 | Armenia | 636 | 625 | 10272 | 1368 | 16.15 | 150 |
80 | Cameroon | 626 | 595 | 9426 | 1921 | 15.06 | 106 |
81 | Oman | 616 | 574 | 6747 | 760 | 10.95 | 105 |
82 | Uganda | 598 | 546 | 14434 | 2496 | 24.14 | 145 |
83 | Nepal | 580 | 517 | 8230 | 824 | 14.19 | 106 |
84 | Ethiopia | 580 | 545 | 11062 | 2240 | 19.07 | 115 |
85 | Ghana | 550 | 501 | 8779 | 1126 | 15.96 | 119 |
86 | Costa Rica | 515 | 480 | 12562 | 949 | 24.39 | 152 |
87 | Georgia | 507 | 471 | 7175 | 897 | 14.15 | 135 |
88 | Azerbaijan | 505 | 498 | 1745 | 394 | 3.46 | 76 |
89 | Uzbekistan | 493 | 489 | 4571 | 867 | 9.27 | 77 |
90 | Luxembourg | 457 | 429 | 8148 | 746 | 17.83 | 136 |
91 | Qatar | 423 | 399 | 5181 | 350 | 12.25 | 105 |
92 | Macedonia | 406 | 392 | 4278 | 434 | 10.54 | 91 |
93 | Zimbabwe | 358 | 339 | 7205 | 914 | 20.13 | 111 |
94 | Kazakhstan | 353 | 348 | 3032 | 387 | 8.59 | 75 |
95 | Ecuador | 345 | 331 | 6968 | 827 | 20.2 | 126 |
96 | Senegal | 334 | 317 | 4835 | 458 | 14.48 | 106 |
97 | Iraq | 330 | 310 | 3735 | 298 | 11.32 | 71 |
98 | Bosnia and Herzegovina | 327 | 314 | 3227 | 403 | 9.87 | 71 |
99 | Trinidad and Tobago | 304 | 287 | 3523 | 256 | 11.59 | 84 |
100 | Panama | 300 | 271 | 13344 | 1164 | 44.48 | 162 |
101 | Malawi | 289 | 248 | 6734 | 1042 | 23.3 | 117 |
102 | Sudan | 284 | 267 | 4595 | 432 | 16.18 | 78 |
103 | Moldova | 283 | 272 | 4211 | 712 | 14.88 | 90 |
104 | North Korea | 280 | 277 | 4744 | 16 | 16.94 | 85 |
105 | Botswana | 273 | 254 | 4441 | 342 | 16.27 | 89 |
106 | Syrian Arab Republic | 271 | 255 | 3680 | 368 | 13.58 | 89 |
107 | Palestine | 267 | 243 | 3156 | 354 | 11.82 | 69 |
108 | Bahrain | 267 | 249 | 2479 | 171 | 9.28 | 61 |
109 | Jamaica | 264 | 236 | 3265 | 302 | 12.37 | 83 |
110 | Burkina Faso | 253 | 242 | 4502 | 649 | 17.79 | 91 |
111 | Côte d’Ivoire | 251 | 245 | 4423 | 402 | 17.62 | 99 |
112 | Bolivia | 229 | 220 | 5530 | 433 | 24.15 | 103 |
113 | Mongolia | 219 | 213 | 4612 | 367 | 21.06 | 78 |
114 | Madagascar | 205 | 204 | 4088 | 674 | 19.94 | 81 |
115 | Benin | 199 | 189 | 3201 | 702 | 16.09 | 73 |
116 | Zambia | 196 | 184 | 5207 | 575 | 26.57 | 102 |
117 | Fiji | 184 | 162 | 2862 | 215 | 15.55 | 67 |
118 | Malta | 181 | 161 | 4044 | 277 | 22.34 | 93 |
119 | Libya | 172 | 169 | 1535 | 78 | 8.92 | 57 |
120 | Congo | 162 | 153 | 2724 | 294 | 16.81 | 81 |
121 | Macao | 159 | 145 | 2398 | 113 | 15.08 | 73 |
122 | Cambodia | 146 | 139 | 4237 | 472 | 29.02 | 86 |
123 | Mali | 134 | 124 | 2506 | 264 | 18.7 | 82 |
124 | New Caledonia | 129 | 125 | 2930 | 347 | 22.71 | 82 |
125 | Mozambique | 114 | 107 | 3343 | 290 | 29.32 | 81 |
126 | Namibia | 112 | 109 | 2465 | 210 | 22.01 | 79 |
127 | Papua New Guinea | 111 | 100 | 2137 | 204 | 19.25 | 79 |
128 | Gambia | 103 | 96 | 5029 | 263 | 48.83 | 107 |
129 | Brunei Darussalam | 101 | 80 | 1373 | 75 | 13.59 | 57 |
130 | Guatemala | 99 | 94 | 2337 | 190 | 23.61 | 78 |
131 | Mauritius | 96 | 92 | 1198 | 101 | 12.48 | 61 |
132 | Gabon | 95 | 88 | 2417 | 275 | 25.44 | 89 |
133 | Yemen | 93 | 92 | 1810 | 111 | 19.46 | 58 |
134 | Barbados | 89 | 78 | 867 | 71 | 9.74 | 71 |
135 | Myanmar | 88 | 81 | 1235 | 107 | 14.03 | 58 |
136 | Guadeloupe | 87 | 82 | 1415 | 103 | 16.26 | 57 |
137 | Monaco | 86 | 78 | 1827 | 180 | 21.24 | 85 |
138 | Laos | 82 | 71 | 2381 | 249 | 29.04 | 67 |
139 | Albania | 80 | 77 | 1234 | 98 | 15.43 | 53 |
140 | Montenegro | 75 | 75 | 378 | 49 | 5.04 | 40 |
141 | Kyrgyzstan | 74 | 72 | 1062 | 90 | 14.35 | 51 |
142 | French Polynesia | 71 | 68 | 1138 | 160 | 16.03 | 69 |
143 | Rwanda | 70 | 55 | 1240 | 99 | 17.71 | 62 |
144 | Nicaragua | 69 | 63 | 1208 | 74 | 17.51 | 70 |
145 | Grenada | 69 | 65 | 999 | 71 | 14.48 | 40 |
146 | Togo | 67 | 62 | 671 | 59 | 10.01 | 42 |
147 | Niger | 66 | 62 | 1154 | 61 | 17.48 | 64 |
148 | French Guiana | 63 | 61 | 1820 | 96 | 28.89 | 63 |
149 | Paraguay | 62 | 60 | 1120 | 86 | 18.06 | 69 |
150 | Liechtenstein | 61 | 57 | 1236 | 128 | 20.26 | 64 |
151 | Dominican Republic | 58 | 53 | 908 | 59 | 15.66 | 58 |
152 | Tajikistan | 56 | 54 | 395 | 65 | 7.05 | 34 |
153 | Eritrea | 55 | 51 | 897 | 14 | 16.31 | 39 |
154 | Reunion | 51 | 48 | 1160 | 29 | 22.75 | 43 |
155 | Greenland | 46 | 45 | 869 | 143 | 18.89 | 56 |
156 | El Salvador | 39 | 36 | 441 | 28 | 11.31 | 51 |
157 | Honduras | 38 | 37 | 1456 | 48 | 38.32 | 55 |
158 | Seychelles | 38 | 37 | 1367 | 120 | 35.97 | 52 |
159 | Afghanistan | 38 | 30 | 584 | 99 | 15.37 | 40 |
160 | Guam | 38 | 33 | 542 | 29 | 14.26 | 58 |
161 | Swaziland | 37 | 32 | 799 | 47 | 21.59 | 51 |
162 | Bermuda | 35 | 31 | 1635 | 137 | 46.71 | 78 |
163 | Falkland Islands (Malvinas) | 33 | 33 | 553 | 52 | 16.76 | 36 |
164 | Angola | 33 | 31 | 324 | 25 | 9.82 | 38 |
165 | Guinea | 32 | 30 | 1040 | 31 | 32.5 | 51 |
166 | Guinea-Bissau | 32 | 29 | 1214 | 189 | 37.94 | 54 |
167 | Guyana | 31 | 30 | 289 | 4 | 9.32 | 36 |
168 | Haïti | 29 | 28 | 710 | 69 | 24.48 | 55 |
169 | Martinique | 26 | 24 | 352 | 13 | 13.54 | 43 |
170 | Mauritania | 25 | 23 | 296 | 25 | 11.84 | 38 |
171 | Lesotho | 25 | 24 | 406 | 22 | 16.24 | 31 |
172 | Burundi | 25 | 21 | 321 | 12 | 12.84 | 35 |
173 | Bahamas | 25 | 25 | 470 | 60 | 18.8 | 38 |
174 | Netherlands Antilles | 25 | 24 | 355 | 9 | 14.2 | 49 |
175 | Bhutan | 24 | 19 | 157 | 31 | 6.54 | 32 |
176 | Central African Republic | 23 | 23 | 501 | 19 | 21.78 | 44 |
177 | Chad | 22 | 21 | 424 | 25 | 19.27 | 36 |
178 | Sierra Leone | 21 | 20 | 270 | 12 | 12.86 | 40 |
179 | Faroe Islands | 18 | 18 | 658 | 57 | 36.56 | 52 |
180 | Democratic Republic Congo | 18 | 17 | 694 | 12 | 38.56 | 49 |
181 | Andorra | 17 | 15 | 321 | 2 | 18.88 | 22 |
182 | Solomon Islands | 17 | 14 | 293 | 12 | 17.24 | 36 |
183 | Virgin Islands (British) | 16 | 15 | 211 | 15 | 13.19 | 24 |
184 | Maldives | 16 | 14 | 476 | 14 | 29.75 | 24 |
185 | Palau | 16 | 16 | 289 | 30 | 18.06 | 30 |
186 | Federated States of Micronesia | 14 | 14 | 155 | 12 | 11.07 | 27 |
187 | Saint Kitts and Nevis | 14 | 10 | 88 | 1 | 6.29 | 25 |
188 | Suriname | 13 | 13 | 306 | 7 | 23.54 | 32 |
189 | Dominica | 12 | 10 | 257 | 15 | 21.42 | 27 |
190 | San Marino | 11 | 11 | 9 | 0 | 0.82 | 26 |
191 | Gibraltar | 11 | 10 | 253 | 18 | 23 | 24 |
192 | Djibouti | 11 | 11 | 149 | 6 | 13.55 | 20 |
193 | Timor-Leste | 10 | 7 | 83 | 2 | 8.3 | 16 |
194 | Virgin Islands (U.S.) | 10 | 9 | 281 | 6 | 28.1 | 33 |
195 | Equatorial Guinea | 10 | 10 | 61 | 10 | 6.1 | 23 |
196 | Belize | 10 | 9 | 239 | 5 | 23.9 | 45 |
197 | Vanuatu | 10 | 8 | 115 | 5 | 11.5 | 33 |
198 | Saint Lucia | 9 | 8 | 101 | 0 | 11.22 | 20 |
199 | Antigua and Barbuda | 9 | 9 | 40 | 1 | 4.44 | 15 |
200 | Turkmenistan | 9 | 9 | 74 | 6 | 8.22 | 23 |
201 | Vatican City State | 8 | 0 | 1 | 0 | 0.13 | 7 |
202 | Comoros | 8 | 8 | 198 | 25 | 24.75 | 15 |
203 | Mayotte | 8 | 8 | 59 | 4 | 7.38 | 11 |
204 | Samoa | 8 | 8 | 28 | 1 | 3.5 | 30 |
205 | Tonga | 8 | 8 | 100 | 12 | 12.5 | 24 |
206 | Saint Vincent and the Grenadines | 8 | 8 | 65 | 0 | 8.13 | 15 |
207 | American Samoa | 7 | 7 | 169 | 14 | 24.14 | 24 |
208 | Kiribati | 7 | 6 | 108 | 0 | 15.43 | 9 |
209 | Cayman Islands | 6 | 5 | 75 | 9 | 12.5 | 25 |
210 | Liberia | 6 | 5 | 20 | 8 | 3.33 | 28 |
211 | Cook Islands | 6 | 6 | 142 | 14 | 23.67 | 15 |
212 | Cape Verde | 5 | 5 | 8 | 1 | 1.6 | 20 |
213 | Montserrat | 5 | 5 | 80 | 7 | 16 | 29 |
214 | Northern Mariana Islands | 4 | 4 | 14 | 2 | 3.5 | 15 |
215 | Niue | 4 | 4 | 17 | 0 | 4.25 | 4 |
216 | Cocos (Keeling) Islands | 4 | 4 | 8 | 0 | 2 | 5 |
217 | Marshall Islands | 4 | 4 | 75 | 1 | 18.75 | 19 |
218 | Sao Tome and Principe | 3 | 3 | 76 | 3 | 25.33 | 16 |
219 | Norfolk Island | 2 | 2 | 12 | 0 | 6 | 9 |
220 | Tuvalu | 2 | 2 | 118 | 0 | 59 | 9 |
221 | Somalia | 2 | 0 | 0 | 0 | 0 | 18 |
222 | Wallis and Futuna | 2 | 2 | 26 | 2 | 13 | 5 |
223 | Turks and Caicos Islands | 2 | 2 | 29 | 0 | 14.5 | 15 |
224 | Aruba | 1 | 1 | 24 | 0 | 24 | 14 |
225 | British Indian Ocean Territory | 1 | 1 | 8 | 0 | 8 | 8 |
226 | Saint Pierre and Miquelon | 1 | 1 | 1 | 0 | 1 | 1 |
227 | United States Minor Outlying Islands | 1 | 1 | 138 | 0 | 138 | 11 |
228 | Svalbard and Jan Mayen | 1 | 1 | 8 | 0 | 8 | 9 |