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 2012
Rank | Country | Documents | Citable documents | Citations | Self-citations | Citations per document | H index |
---|---|---|---|---|---|---|---|
1 | United States | 636709 | 537399 | 8343807 | 3949344 | 13.1 | 1965 |
2 | China | 405843 | 399144 | 2959142 | 1704803 | 7.29 | 655 |
3 | United Kingdom | 185870 | 149554 | 2420615 | 612042 | 13.02 | 1213 |
4 | Germany | 161857 | 147276 | 2097744 | 576785 | 12.96 | 1059 |
5 | Japan | 130197 | 122502 | 1173078 | 327043 | 9.01 | 871 |
6 | France | 114442 | 104962 | 1409252 | 330084 | 12.31 | 966 |
7 | India | 106763 | 99524 | 694105 | 246345 | 6.5 | 478 |
8 | Canada | 97917 | 85474 | 1322143 | 259389 | 13.5 | 963 |
9 | Italy | 96044 | 85778 | 1222660 | 329306 | 12.73 | 839 |
10 | Spain | 83857 | 75896 | 1016932 | 237388 | 12.13 | 723 |
11 | Australia | 79506 | 68472 | 1064282 | 248998 | 13.39 | 795 |
12 | South Korea | 71065 | 68150 | 737150 | 162111 | 10.37 | 536 |
13 | Brazil | 60074 | 56723 | 439613 | 149115 | 7.32 | 461 |
14 | Netherlands | 55645 | 48824 | 949398 | 167138 | 17.06 | 835 |
15 | Russian Federation | 45137 | 42116 | 262555 | 89436 | 5.82 | 467 |
16 | Taiwan | 43190 | 41452 | 388306 | 78413 | 8.99 | 406 |
17 | Iran | 40709 | 39461 | 281130 | 100815 | 6.91 | 234 |
18 | Switzerland | 40350 | 36495 | 742451 | 111789 | 18.4 | 818 |
19 | Turkey | 36195 | 33772 | 243232 | 57005 | 6.72 | 339 |
20 | Poland | 35262 | 33851 | 279917 | 79178 | 7.94 | 445 |
21 | Sweden | 34839 | 31438 | 546969 | 89146 | 15.7 | 735 |
22 | Belgium | 30317 | 27357 | 463123 | 70330 | 15.28 | 661 |
23 | Malaysia | 22653 | 21841 | 134943 | 40944 | 5.96 | 224 |
24 | Austria | 22426 | 20113 | 313894 | 44453 | 14 | 540 |
25 | Denmark | 22348 | 20002 | 390162 | 61083 | 17.46 | 619 |
26 | Portugal | 20143 | 18546 | 232317 | 45539 | 11.53 | 379 |
27 | Czech Republic | 19205 | 18325 | 172901 | 40329 | 9 | 367 |
28 | Israel | 19091 | 16970 | 264728 | 37391 | 13.87 | 584 |
29 | Norway | 18640 | 16387 | 257817 | 41021 | 13.83 | 491 |
30 | Greece | 18559 | 16767 | 218454 | 32472 | 11.77 | 402 |
31 | Mexico | 18212 | 16978 | 156942 | 28446 | 8.62 | 352 |
32 | Singapore | 18157 | 16416 | 311093 | 39179 | 17.13 | 454 |
33 | Finland | 17687 | 16151 | 250517 | 41314 | 14.16 | 533 |
34 | South Africa | 15843 | 14111 | 166129 | 35917 | 10.49 | 361 |
35 | Hong Kong | 15124 | 13731 | 215532 | 26784 | 14.25 | 447 |
36 | Romania | 14244 | 13760 | 77654 | 19274 | 5.45 | 201 |
37 | New Zealand | 13942 | 12071 | 180187 | 27231 | 12.92 | 428 |
38 | Egypt | 13040 | 12558 | 97348 | 19291 | 7.47 | 213 |
39 | Ireland | 12701 | 11027 | 181073 | 22854 | 14.26 | 414 |
40 | Saudi Arabia | 12158 | 11640 | 138064 | 22482 | 11.36 | 241 |
41 | Argentina | 12045 | 11143 | 128963 | 23442 | 10.71 | 337 |
42 | Thailand | 11951 | 11186 | 101259 | 17267 | 8.47 | 269 |
43 | Hungary | 10307 | 9545 | 113485 | 18057 | 11.01 | 363 |
44 | Pakistan | 9959 | 9482 | 73181 | 17033 | 7.35 | 197 |
45 | Ukraine | 9318 | 8705 | 47538 | 12418 | 5.1 | 211 |
46 | Chile | 8847 | 8344 | 97812 | 18947 | 11.06 | 291 |
47 | Serbia | 8010 | 7682 | 58222 | 12153 | 7.27 | 149 |
48 | Croatia | 6565 | 6243 | 49321 | 7823 | 7.51 | 221 |
49 | Colombia | 6504 | 6172 | 58038 | 8341 | 8.92 | 216 |
50 | Slovakia | 6115 | 5916 | 47942 | 9906 | 7.84 | 222 |
51 | Slovenia | 5952 | 5548 | 59010 | 9497 | 9.91 | 231 |
52 | Tunisia | 5564 | 5224 | 32170 | 7590 | 5.78 | 144 |
53 | Nigeria | 5504 | 5172 | 28765 | 4845 | 5.23 | 153 |
54 | Algeria | 4289 | 4186 | 20754 | 4920 | 4.84 | 125 |
55 | Bulgaria | 4066 | 3887 | 33869 | 4439 | 8.33 | 205 |
56 | Indonesia | 3902 | 3620 | 25420 | 4120 | 6.51 | 175 |
57 | Morocco | 3559 | 3315 | 26317 | 5299 | 7.39 | 151 |
58 | Bangladesh | 3260 | 3073 | 20911 | 4316 | 6.41 | 154 |
59 | United Arab Emirates | 3192 | 2927 | 20739 | 2855 | 6.5 | 153 |
60 | Viet Nam | 3136 | 3007 | 30422 | 4698 | 9.7 | 167 |
61 | Lithuania | 3071 | 2979 | 29678 | 4330 | 9.66 | 165 |
62 | Jordan | 2607 | 2492 | 15239 | 2089 | 5.85 | 130 |
63 | Estonia | 2500 | 2374 | 39480 | 4983 | 15.79 | 215 |
64 | Cuba | 2306 | 2161 | 9496 | 1687 | 4.12 | 145 |
65 | Venezuela | 2054 | 1933 | 12297 | 1240 | 5.99 | 181 |
66 | Kenya | 1984 | 1717 | 31724 | 4217 | 15.99 | 201 |
67 | Lebanon | 1857 | 1686 | 15051 | 1699 | 8.11 | 157 |
68 | Cyprus | 1817 | 1598 | 23014 | 2632 | 12.67 | 151 |
69 | Belarus | 1798 | 1676 | 20719 | 2884 | 11.52 | 146 |
70 | Philippines | 1744 | 1518 | 17828 | 1931 | 10.22 | 189 |
71 | Latvia | 1565 | 1497 | 11314 | 1610 | 7.23 | 129 |
72 | Iraq | 1379 | 1316 | 5983 | 903 | 4.34 | 71 |
73 | Luxembourg | 1373 | 1242 | 17085 | 2013 | 12.44 | 136 |
74 | Iceland | 1367 | 1226 | 29302 | 2930 | 21.44 | 251 |
75 | Qatar | 1335 | 1252 | 11349 | 1859 | 8.5 | 105 |
76 | Peru | 1329 | 1190 | 17073 | 1951 | 12.85 | 179 |
77 | Kuwait | 1301 | 1199 | 8086 | 923 | 6.22 | 123 |
78 | Ethiopia | 1276 | 1188 | 11086 | 2479 | 8.69 | 115 |
79 | Oman | 1160 | 1045 | 7388 | 1145 | 6.37 | 105 |
80 | Armenia | 1155 | 1082 | 20356 | 2798 | 17.62 | 150 |
81 | Ghana | 1139 | 1025 | 18729 | 1910 | 16.44 | 119 |
82 | Uganda | 1111 | 1013 | 22671 | 2572 | 20.41 | 145 |
83 | Uruguay | 1097 | 1029 | 18884 | 1527 | 17.21 | 150 |
84 | Sri Lanka | 1064 | 957 | 16648 | 1118 | 15.65 | 135 |
85 | Georgia | 1059 | 862 | 20474 | 1958 | 19.33 | 135 |
86 | Azerbaijan | 1024 | 994 | 9558 | 975 | 9.33 | 76 |
87 | Tanzania | 1005 | 889 | 12112 | 2082 | 12.05 | 136 |
88 | Puerto Rico | 926 | 852 | 15155 | 687 | 16.37 | 184 |
89 | Cameroon | 908 | 835 | 7295 | 1365 | 8.03 | 106 |
90 | Kazakhstan | 842 | 798 | 4125 | 1056 | 4.9 | 75 |
91 | Bosnia and Herzegovina | 841 | 796 | 3200 | 364 | 3.8 | 71 |
92 | Nepal | 802 | 710 | 13965 | 900 | 17.41 | 106 |
93 | Macao | 716 | 687 | 6656 | 1112 | 9.3 | 73 |
94 | Macedonia | 701 | 677 | 4474 | 588 | 6.38 | 91 |
95 | Costa Rica | 693 | 639 | 9003 | 1004 | 12.99 | 152 |
96 | Ecuador | 644 | 596 | 8162 | 955 | 12.67 | 126 |
97 | Senegal | 627 | 582 | 5404 | 679 | 8.62 | 106 |
98 | Sudan | 575 | 542 | 11869 | 476 | 20.64 | 78 |
99 | Syrian Arab Republic | 570 | 538 | 3989 | 372 | 7 | 89 |
100 | Uzbekistan | 564 | 481 | 1929 | 443 | 3.42 | 77 |
101 | Zimbabwe | 486 | 416 | 4267 | 760 | 8.78 | 111 |
102 | Panama | 485 | 454 | 16569 | 920 | 34.16 | 162 |
103 | Burkina Faso | 474 | 451 | 5219 | 785 | 11.01 | 91 |
104 | Malta | 465 | 406 | 2984 | 383 | 6.42 | 93 |
105 | Malawi | 438 | 411 | 7508 | 902 | 17.14 | 117 |
106 | Palestine | 438 | 410 | 2668 | 370 | 6.09 | 69 |
107 | Moldova | 416 | 405 | 2630 | 500 | 6.32 | 90 |
108 | Botswana | 394 | 317 | 3563 | 280 | 9.04 | 89 |
109 | Côte d’Ivoire | 389 | 376 | 3018 | 322 | 7.76 | 99 |
110 | Trinidad and Tobago | 388 | 335 | 1767 | 160 | 4.55 | 84 |
111 | Benin | 365 | 341 | 2752 | 560 | 7.54 | 73 |
112 | Libya | 358 | 344 | 1936 | 156 | 5.41 | 57 |
113 | Jamaica | 355 | 304 | 1645 | 181 | 4.63 | 83 |
114 | Zambia | 345 | 310 | 4594 | 586 | 13.32 | 102 |
115 | Albania | 344 | 332 | 1064 | 150 | 3.09 | 53 |
116 | Bahrain | 339 | 289 | 1470 | 192 | 4.34 | 61 |
117 | Mongolia | 319 | 301 | 2285 | 286 | 7.16 | 78 |
118 | Congo | 310 | 280 | 3807 | 324 | 12.28 | 81 |
119 | Yemen | 293 | 289 | 2002 | 290 | 6.83 | 58 |
120 | Montenegro | 292 | 282 | 1484 | 303 | 5.08 | 40 |
121 | Madagascar | 265 | 244 | 2810 | 381 | 10.6 | 81 |
122 | Cambodia | 261 | 223 | 4355 | 526 | 16.69 | 86 |
123 | Bolivia | 249 | 227 | 11521 | 291 | 46.27 | 103 |
124 | Brunei Darussalam | 245 | 198 | 1254 | 214 | 5.12 | 57 |
125 | Mali | 243 | 225 | 3067 | 328 | 12.62 | 82 |
126 | Mauritius | 216 | 189 | 1104 | 225 | 5.11 | 61 |
127 | Guatemala | 212 | 190 | 3059 | 212 | 14.43 | 78 |
128 | Laos | 212 | 191 | 2434 | 322 | 11.48 | 67 |
129 | Mozambique | 209 | 194 | 11739 | 348 | 56.17 | 81 |
130 | Namibia | 193 | 174 | 1510 | 148 | 7.82 | 79 |
131 | Rwanda | 182 | 170 | 1776 | 281 | 9.76 | 62 |
132 | Fiji | 180 | 165 | 1701 | 226 | 9.45 | 67 |
133 | New Caledonia | 160 | 150 | 1924 | 278 | 12.03 | 82 |
134 | Papua New Guinea | 146 | 135 | 2227 | 269 | 15.25 | 79 |
135 | Barbados | 145 | 111 | 1501 | 78 | 10.35 | 71 |
136 | Paraguay | 143 | 129 | 1300 | 92 | 9.09 | 69 |
137 | Gabon | 141 | 131 | 2572 | 206 | 18.24 | 89 |
138 | Gambia | 130 | 121 | 3060 | 264 | 23.54 | 107 |
139 | Myanmar | 119 | 111 | 717 | 88 | 6.03 | 58 |
140 | Tajikistan | 119 | 111 | 530 | 86 | 4.45 | 34 |
141 | French Polynesia | 118 | 113 | 1809 | 244 | 15.33 | 69 |
142 | Kyrgyzstan | 118 | 105 | 956 | 140 | 8.1 | 51 |
143 | Nicaragua | 116 | 109 | 1237 | 77 | 10.66 | 70 |
144 | Liechtenstein | 111 | 101 | 1159 | 92 | 10.44 | 64 |
145 | El Salvador | 109 | 99 | 1132 | 92 | 10.39 | 51 |
146 | Niger | 109 | 103 | 1265 | 157 | 11.61 | 64 |
147 | Togo | 106 | 97 | 396 | 52 | 3.74 | 42 |
148 | Grenada | 106 | 94 | 658 | 20 | 6.21 | 40 |
149 | Monaco | 106 | 92 | 2341 | 126 | 22.08 | 85 |
150 | Greenland | 106 | 102 | 1844 | 234 | 17.4 | 56 |
151 | Afghanistan | 97 | 85 | 557 | 65 | 5.74 | 40 |
152 | Swaziland | 96 | 83 | 758 | 28 | 7.9 | 51 |
153 | North Korea | 94 | 89 | 333 | 13 | 3.54 | 85 |
154 | Guadeloupe | 93 | 83 | 745 | 60 | 8.01 | 57 |
155 | Dominican Republic | 87 | 82 | 933 | 47 | 10.72 | 58 |
156 | Honduras | 84 | 80 | 610 | 44 | 7.26 | 55 |
157 | French Guiana | 76 | 71 | 956 | 77 | 12.58 | 63 |
158 | Angola | 70 | 66 | 508 | 68 | 7.26 | 38 |
159 | Haïti | 59 | 52 | 750 | 122 | 12.71 | 55 |
160 | Democratic Republic Congo | 58 | 53 | 734 | 15 | 12.66 | 49 |
161 | Martinique | 55 | 51 | 8839 | 18 | 160.71 | 43 |
162 | Guam | 50 | 44 | 614 | 32 | 12.28 | 58 |
163 | Sierra Leone | 50 | 45 | 820 | 96 | 16.4 | 40 |
164 | Faroe Islands | 48 | 46 | 939 | 66 | 19.56 | 52 |
165 | Lesotho | 47 | 42 | 284 | 20 | 6.04 | 31 |
166 | Turkmenistan | 46 | 46 | 271 | 69 | 5.89 | 23 |
167 | Reunion | 46 | 45 | 658 | 16 | 14.3 | 43 |
168 | Bhutan | 44 | 41 | 274 | 47 | 6.23 | 32 |
169 | Guinea | 44 | 39 | 335 | 42 | 7.61 | 51 |
170 | Bermuda | 42 | 42 | 1058 | 76 | 25.19 | 78 |
171 | Central African Republic | 42 | 37 | 954 | 43 | 22.71 | 44 |
172 | Seychelles | 39 | 34 | 444 | 47 | 11.38 | 52 |
173 | Mauritania | 38 | 36 | 355 | 38 | 9.34 | 38 |
174 | Guinea-Bissau | 37 | 35 | 552 | 178 | 14.92 | 54 |
175 | Burundi | 34 | 34 | 375 | 12 | 11.03 | 35 |
176 | Saint Kitts and Nevis | 34 | 27 | 251 | 7 | 7.38 | 25 |
177 | Guyana | 33 | 32 | 108 | 5 | 3.27 | 36 |
178 | Bahamas | 32 | 28 | 383 | 33 | 11.97 | 38 |
179 | Dominica | 31 | 28 | 368 | 21 | 11.87 | 27 |
180 | Falkland Islands (Malvinas) | 29 | 28 | 278 | 52 | 9.59 | 36 |
181 | Suriname | 27 | 26 | 523 | 31 | 19.37 | 32 |
182 | Maldives | 25 | 22 | 201 | 36 | 8.04 | 24 |
183 | Chad | 25 | 22 | 180 | 21 | 7.2 | 36 |
184 | Liberia | 24 | 22 | 230 | 15 | 9.58 | 28 |
185 | Cayman Islands | 24 | 17 | 321 | 4 | 13.38 | 25 |
186 | Belize | 23 | 23 | 594 | 9 | 25.83 | 45 |
187 | Djibouti | 22 | 18 | 106 | 9 | 4.82 | 20 |
188 | Vanuatu | 22 | 21 | 197 | 63 | 8.95 | 33 |
189 | San Marino | 20 | 20 | 212 | 26 | 10.6 | 26 |
190 | Timor-Leste | 18 | 13 | 108 | 21 | 6 | 16 |
191 | Cape Verde | 16 | 16 | 120 | 22 | 7.5 | 20 |
192 | Solomon Islands | 14 | 14 | 135 | 23 | 9.64 | 36 |
193 | Eritrea | 14 | 13 | 94 | 3 | 6.71 | 39 |
194 | Antigua and Barbuda | 12 | 10 | 62 | 4 | 5.17 | 15 |
195 | Virgin Islands (U.S.) | 12 | 10 | 100 | 0 | 8.33 | 33 |
196 | Federated States of Micronesia | 12 | 11 | 103 | 10 | 8.58 | 27 |
197 | Samoa | 12 | 11 | 330 | 8 | 27.5 | 30 |
198 | Netherlands Antilles | 12 | 12 | 136 | 1 | 11.33 | 49 |
199 | Andorra | 11 | 10 | 166 | 7 | 15.09 | 22 |
200 | Equatorial Guinea | 11 | 11 | 139 | 14 | 12.64 | 23 |
201 | American Samoa | 9 | 5 | 44 | 2 | 4.89 | 24 |
202 | Montserrat | 9 | 9 | 76 | 12 | 8.44 | 29 |
203 | Aruba | 8 | 7 | 73 | 0 | 9.13 | 14 |
204 | Palau | 8 | 7 | 94 | 10 | 11.75 | 30 |
205 | Gibraltar | 7 | 7 | 106 | 8 | 15.14 | 24 |
206 | Cook Islands | 7 | 6 | 109 | 6 | 15.57 | 15 |
207 | Saint Lucia | 7 | 5 | 64 | 0 | 9.14 | 20 |
208 | Somalia | 7 | 6 | 51 | 3 | 7.29 | 18 |
209 | Mayotte | 7 | 7 | 25 | 1 | 3.57 | 11 |
210 | Virgin Islands (British) | 6 | 6 | 115 | 2 | 19.17 | 24 |
211 | Comoros | 6 | 6 | 25 | 1 | 4.17 | 15 |
212 | Tonga | 5 | 5 | 69 | 3 | 13.8 | 24 |
213 | Marshall Islands | 4 | 4 | 95 | 0 | 23.75 | 19 |
214 | Anguilla | 4 | 4 | 82 | 3 | 20.5 | 10 |
215 | Turks and Caicos Islands | 4 | 4 | 60 | 3 | 15 | 15 |
216 | Svalbard and Jan Mayen | 3 | 3 | 5 | 0 | 1.67 | 9 |
217 | Vatican City State | 3 | 3 | 24 | 0 | 8 | 7 |
218 | Sao Tome and Principe | 3 | 2 | 18 | 0 | 6 | 16 |
219 | United States Minor Outlying Islands | 3 | 3 | 33 | 0 | 11 | 11 |
220 | Saint Vincent and the Grenadines | 2 | 2 | 43 | 0 | 21.5 | 15 |
221 | Bouvet Island | 2 | 1 | 24 | 0 | 12 | 3 |
222 | Northern Mariana Islands | 2 | 2 | 6 | 1 | 3 | 15 |
223 | Saint Pierre and Miquelon | 1 | 1 | 0 | 0 | 0 | 1 |
224 | British Indian Ocean Territory | 1 | 1 | 2 | 0 | 2 | 8 |
225 | Pitcairn | 1 | 0 | 0 | 0 | 0 | 1 |
226 | Tuvalu | 1 | 1 | 47 | 0 | 47 | 9 |
227 | Nauru | 1 | 0 | 3 | 0 | 3 | 8 |
228 | Western Sahara | 1 | 1 | 0 | 0 | 0 | 3 |