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 2004
Rank | Country | Documents | Citable documents | Citations | Self-citations | Citations per document | H index |
---|---|---|---|---|---|---|---|
1 | United States | 440689 | 408748 | 15671336 | 7074072 | 35.56 | 1965 |
2 | United Kingdom | 117802 | 104088 | 3861475 | 843508 | 32.78 | 1213 |
3 | Japan | 109436 | 106871 | 2374398 | 611916 | 21.7 | 871 |
4 | China | 108726 | 108015 | 1429196 | 738558 | 13.14 | 655 |
5 | Germany | 105978 | 101141 | 3000532 | 706035 | 28.31 | 1059 |
6 | France | 74833 | 71495 | 2053753 | 423088 | 27.44 | 966 |
7 | Canada | 59429 | 55300 | 1980696 | 336212 | 33.33 | 963 |
8 | Italy | 56084 | 53202 | 1547493 | 333804 | 27.59 | 839 |
9 | Spain | 41746 | 38862 | 1066005 | 239057 | 25.54 | 723 |
10 | Australia | 38703 | 35510 | 1221731 | 234770 | 31.57 | 795 |
11 | Russian Federation | 36675 | 36279 | 393539 | 102219 | 10.73 | 467 |
12 | India | 35123 | 33296 | 583144 | 190265 | 16.6 | 478 |
13 | Netherlands | 31882 | 30046 | 1227615 | 177806 | 38.5 | 835 |
14 | South Korea | 31826 | 31424 | 642996 | 117603 | 20.2 | 536 |
15 | Switzerland | 23200 | 21945 | 952909 | 111520 | 41.07 | 818 |
16 | Brazil | 22666 | 22091 | 440209 | 136207 | 19.42 | 461 |
17 | Sweden | 22393 | 21294 | 797107 | 110560 | 35.6 | 735 |
18 | Taiwan | 21378 | 20953 | 422470 | 82996 | 19.76 | 406 |
19 | Poland | 20811 | 20390 | 314616 | 71153 | 15.12 | 445 |
20 | Turkey | 18259 | 17380 | 313399 | 70480 | 17.16 | 339 |
21 | Belgium | 17452 | 16527 | 571458 | 72223 | 32.74 | 661 |
22 | Israel | 14295 | 13497 | 453082 | 56469 | 31.7 | 584 |
23 | Austria | 12639 | 11920 | 386465 | 45222 | 30.58 | 540 |
24 | Denmark | 11867 | 11242 | 474116 | 58698 | 39.95 | 619 |
25 | Finland | 11685 | 11303 | 357275 | 50389 | 30.58 | 533 |
26 | Hong Kong | 10621 | 10141 | 296842 | 35037 | 27.95 | 447 |
27 | Greece | 10418 | 9894 | 240011 | 34450 | 23.04 | 402 |
28 | Singapore | 9690 | 9295 | 240178 | 26105 | 24.79 | 454 |
29 | Mexico | 9468 | 9231 | 179461 | 34204 | 18.95 | 352 |
30 | Czech Republic | 8993 | 8841 | 154771 | 31667 | 17.21 | 367 |
31 | Norway | 8759 | 8169 | 291614 | 40526 | 33.29 | 491 |
32 | New Zealand | 7556 | 6940 | 218965 | 29094 | 28.98 | 428 |
33 | Portugal | 7125 | 6913 | 186267 | 31428 | 26.14 | 379 |
34 | Ukraine | 7027 | 6972 | 56779 | 14100 | 8.08 | 211 |
35 | South Africa | 6994 | 6525 | 160237 | 30928 | 22.91 | 361 |
36 | Hungary | 6579 | 6335 | 153929 | 21146 | 23.4 | 363 |
37 | Argentina | 6391 | 6189 | 146707 | 28310 | 22.96 | 337 |
38 | Ireland | 5811 | 5389 | 162993 | 16320 | 28.05 | 414 |
39 | Iran | 5782 | 5684 | 90479 | 32370 | 15.65 | 234 |
40 | Egypt | 4391 | 4326 | 65965 | 12078 | 15.02 | 213 |
41 | Thailand | 3920 | 3772 | 89869 | 12493 | 22.93 | 269 |
42 | Chile | 3537 | 3433 | 91806 | 15371 | 25.96 | 291 |
43 | Slovakia | 3214 | 3166 | 48806 | 7926 | 15.19 | 222 |
44 | Croatia | 3184 | 3120 | 40404 | 7322 | 12.69 | 221 |
45 | Malaysia | 2693 | 2585 | 43720 | 8607 | 16.23 | 224 |
46 | Slovenia | 2654 | 2588 | 44440 | 7644 | 16.74 | 231 |
47 | Romania | 2593 | 2560 | 29747 | 5214 | 11.47 | 201 |
48 | Bulgaria | 2563 | 2519 | 36960 | 5389 | 14.42 | 205 |
49 | Saudi Arabia | 2303 | 2200 | 31969 | 4242 | 13.88 | 241 |
50 | Pakistan | 2068 | 1938 | 27589 | 7008 | 13.34 | 197 |
51 | Tunisia | 1727 | 1691 | 19064 | 4317 | 11.04 | 144 |
52 | Belarus | 1625 | 1609 | 14983 | 2622 | 9.22 | 146 |
53 | Venezuela | 1596 | 1546 | 28998 | 3008 | 18.17 | 181 |
54 | Nigeria | 1590 | 1555 | 21668 | 4361 | 13.63 | 153 |
55 | Morocco | 1419 | 1388 | 20044 | 3479 | 14.13 | 151 |
56 | Lithuania | 1326 | 1305 | 19458 | 3470 | 14.67 | 165 |
57 | Colombia | 1269 | 1212 | 25749 | 3257 | 20.29 | 216 |
58 | Algeria | 1169 | 1151 | 14575 | 2582 | 12.47 | 125 |
59 | Cuba | 1149 | 1120 | 14936 | 2856 | 13 | 145 |
60 | Indonesia | 964 | 905 | 19614 | 1871 | 20.35 | 175 |
61 | Jordan | 957 | 951 | 17367 | 1527 | 18.15 | 130 |
62 | United Arab Emirates | 930 | 880 | 14487 | 1219 | 15.58 | 153 |
63 | Estonia | 928 | 904 | 27022 | 4046 | 29.12 | 215 |
64 | Kenya | 907 | 832 | 26261 | 3803 | 28.95 | 201 |
65 | Bangladesh | 812 | 791 | 17482 | 2297 | 21.53 | 154 |
66 | Kuwait | 772 | 755 | 15379 | 1201 | 19.92 | 123 |
67 | Lebanon | 724 | 678 | 13769 | 1298 | 19.02 | 157 |
68 | Viet Nam | 686 | 666 | 17309 | 2133 | 25.23 | 167 |
69 | Philippines | 661 | 629 | 17992 | 1459 | 27.22 | 189 |
70 | Puerto Rico | 596 | 575 | 16698 | 1219 | 28.02 | 184 |
71 | Iceland | 558 | 519 | 25582 | 1991 | 45.85 | 251 |
72 | Armenia | 524 | 518 | 7975 | 1548 | 15.22 | 150 |
73 | Uruguay | 522 | 501 | 14171 | 1925 | 27.15 | 150 |
74 | Uzbekistan | 470 | 467 | 3980 | 695 | 8.47 | 77 |
75 | Georgia | 463 | 449 | 7219 | 790 | 15.59 | 135 |
76 | Cyprus | 453 | 445 | 10807 | 1013 | 23.86 | 151 |
77 | Oman | 444 | 431 | 6235 | 646 | 14.04 | 105 |
78 | Latvia | 443 | 434 | 8819 | 874 | 19.91 | 129 |
79 | Azerbaijan | 440 | 433 | 1598 | 473 | 3.63 | 76 |
80 | Peru | 437 | 418 | 14509 | 1573 | 33.2 | 179 |
81 | Sri Lanka | 430 | 386 | 10147 | 669 | 23.6 | 135 |
82 | Costa Rica | 411 | 380 | 11639 | 942 | 28.32 | 152 |
83 | Cameroon | 396 | 387 | 9554 | 1459 | 24.13 | 106 |
84 | Tanzania | 393 | 381 | 11161 | 1777 | 28.4 | 136 |
85 | Macedonia | 390 | 383 | 5649 | 354 | 14.48 | 91 |
86 | Uganda | 385 | 359 | 11468 | 1711 | 29.79 | 145 |
87 | Ethiopia | 360 | 354 | 7010 | 1500 | 19.47 | 115 |
88 | Kazakhstan | 333 | 328 | 2934 | 415 | 8.81 | 75 |
89 | Nepal | 318 | 287 | 6223 | 728 | 19.57 | 106 |
90 | Ghana | 313 | 302 | 8124 | 921 | 25.96 | 119 |
91 | Senegal | 262 | 246 | 5307 | 554 | 20.26 | 106 |
92 | Zimbabwe | 256 | 242 | 5560 | 464 | 21.72 | 111 |
93 | Luxembourg | 256 | 250 | 6131 | 449 | 23.95 | 136 |
94 | Jamaica | 239 | 218 | 2973 | 492 | 12.44 | 83 |
95 | Trinidad and Tobago | 226 | 213 | 3120 | 210 | 13.81 | 84 |
96 | Moldova | 225 | 221 | 3217 | 567 | 14.3 | 90 |
97 | Ecuador | 212 | 202 | 7867 | 787 | 37.11 | 126 |
98 | Qatar | 207 | 197 | 3612 | 265 | 17.45 | 105 |
99 | Syrian Arab Republic | 206 | 201 | 3957 | 464 | 19.21 | 89 |
100 | Botswana | 203 | 195 | 3013 | 305 | 14.84 | 89 |
101 | Panama | 201 | 188 | 10246 | 1100 | 50.98 | 162 |
102 | Bahrain | 201 | 186 | 1751 | 125 | 8.71 | 61 |
103 | Côte d’Ivoire | 193 | 180 | 3427 | 380 | 17.76 | 99 |
104 | Burkina Faso | 169 | 164 | 3469 | 453 | 20.53 | 91 |
105 | Sudan | 168 | 161 | 2740 | 414 | 16.31 | 78 |
106 | Malawi | 164 | 145 | 4924 | 704 | 30.02 | 117 |
107 | North Korea | 162 | 160 | 3048 | 29 | 18.81 | 85 |
108 | Palestine | 148 | 140 | 1917 | 241 | 12.95 | 69 |
109 | Bolivia | 137 | 131 | 5845 | 414 | 42.66 | 103 |
110 | Bosnia and Herzegovina | 130 | 127 | 1868 | 150 | 14.37 | 71 |
111 | Iraq | 130 | 121 | 1412 | 99 | 10.86 | 71 |
112 | Benin | 123 | 120 | 2595 | 396 | 21.1 | 73 |
113 | Serbia | 120 | 117 | 2099 | 214 | 17.49 | 149 |
114 | Madagascar | 116 | 109 | 1683 | 320 | 14.51 | 81 |
115 | Malta | 104 | 93 | 1454 | 85 | 13.98 | 93 |
116 | Libya | 104 | 103 | 907 | 48 | 8.72 | 57 |
117 | Zambia | 102 | 97 | 3112 | 314 | 30.51 | 102 |
118 | Fiji | 101 | 96 | 1185 | 119 | 11.73 | 67 |
119 | Barbados | 101 | 89 | 2643 | 145 | 26.17 | 71 |
120 | Mongolia | 92 | 88 | 2924 | 298 | 31.78 | 78 |
121 | Mauritius | 91 | 89 | 1472 | 111 | 16.18 | 61 |
122 | Congo | 89 | 85 | 2088 | 197 | 23.46 | 81 |
123 | Gambia | 89 | 81 | 3569 | 323 | 40.1 | 107 |
124 | Gabon | 87 | 83 | 2688 | 295 | 30.9 | 89 |
125 | Monaco | 87 | 78 | 3116 | 267 | 35.82 | 85 |
126 | Mali | 86 | 83 | 2279 | 266 | 26.5 | 82 |
127 | Cambodia | 86 | 79 | 1899 | 254 | 22.08 | 86 |
128 | Macao | 83 | 82 | 702 | 45 | 8.46 | 73 |
129 | Guatemala | 80 | 78 | 2085 | 144 | 26.06 | 78 |
130 | Papua New Guinea | 76 | 70 | 1387 | 125 | 18.25 | 79 |
131 | New Caledonia | 75 | 70 | 1787 | 194 | 23.83 | 82 |
132 | Mozambique | 73 | 69 | 2000 | 200 | 27.4 | 81 |
133 | Laos | 70 | 68 | 1334 | 123 | 19.06 | 67 |
134 | Yemen | 68 | 63 | 831 | 72 | 12.22 | 58 |
135 | Brunei Darussalam | 68 | 64 | 850 | 70 | 12.5 | 57 |
136 | Namibia | 67 | 62 | 2284 | 188 | 34.09 | 79 |
137 | El Salvador | 62 | 60 | 688 | 59 | 11.1 | 51 |
138 | Albania | 54 | 52 | 1513 | 49 | 28.02 | 53 |
139 | Paraguay | 54 | 52 | 1559 | 81 | 28.87 | 69 |
140 | Liechtenstein | 53 | 53 | 1190 | 51 | 22.45 | 64 |
141 | Guadeloupe | 52 | 47 | 1125 | 70 | 21.63 | 57 |
142 | Togo | 48 | 45 | 595 | 53 | 12.4 | 42 |
143 | Myanmar | 46 | 45 | 1232 | 108 | 26.78 | 58 |
144 | Niger | 46 | 45 | 720 | 58 | 15.65 | 64 |
145 | Tajikistan | 46 | 45 | 285 | 42 | 6.2 | 34 |
146 | Kyrgyzstan | 45 | 44 | 306 | 31 | 6.8 | 51 |
147 | Nicaragua | 45 | 45 | 786 | 56 | 17.47 | 70 |
148 | French Guiana | 44 | 44 | 1072 | 71 | 24.36 | 63 |
149 | French Polynesia | 41 | 41 | 820 | 102 | 20 | 69 |
150 | Honduras | 39 | 38 | 859 | 35 | 22.03 | 55 |
151 | Guam | 38 | 38 | 1532 | 33 | 40.32 | 58 |
152 | Dominican Republic | 37 | 36 | 838 | 41 | 22.65 | 58 |
153 | Rwanda | 33 | 25 | 627 | 49 | 19 | 62 |
154 | Bermuda | 30 | 28 | 3657 | 104 | 121.9 | 78 |
155 | Greenland | 29 | 29 | 690 | 145 | 23.79 | 56 |
156 | Eritrea | 29 | 25 | 361 | 99 | 12.45 | 39 |
157 | Martinique | 28 | 24 | 311 | 9 | 11.11 | 43 |
158 | Netherlands Antilles | 27 | 26 | 711 | 26 | 26.33 | 49 |
159 | Guyana | 27 | 24 | 342 | 8 | 12.67 | 36 |
160 | Central African Republic | 24 | 22 | 479 | 45 | 19.96 | 44 |
161 | Guinea-Bissau | 22 | 21 | 824 | 199 | 37.45 | 54 |
162 | Angola | 22 | 19 | 409 | 13 | 18.59 | 38 |
163 | Guinea | 22 | 22 | 440 | 9 | 20 | 51 |
164 | Reunion | 22 | 21 | 304 | 3 | 13.82 | 43 |
165 | Haïti | 21 | 17 | 869 | 62 | 41.38 | 55 |
166 | Afghanistan | 20 | 16 | 685 | 19 | 34.25 | 40 |
167 | Falkland Islands (Malvinas) | 19 | 19 | 534 | 86 | 28.11 | 36 |
168 | Swaziland | 19 | 19 | 200 | 15 | 10.53 | 51 |
169 | Chad | 18 | 18 | 687 | 15 | 38.17 | 36 |
170 | Bhutan | 17 | 17 | 179 | 25 | 10.53 | 32 |
171 | Lesotho | 17 | 17 | 237 | 3 | 13.94 | 31 |
172 | Faroe Islands | 17 | 17 | 543 | 26 | 31.94 | 52 |
173 | Mauritania | 16 | 16 | 241 | 18 | 15.06 | 38 |
174 | Vanuatu | 16 | 16 | 253 | 48 | 15.81 | 33 |
175 | Grenada | 16 | 14 | 449 | 6 | 28.06 | 40 |
176 | Democratic Republic Congo | 14 | 13 | 485 | 4 | 34.64 | 49 |
177 | Seychelles | 14 | 13 | 324 | 14 | 23.14 | 52 |
178 | Belize | 13 | 13 | 602 | 11 | 46.31 | 45 |
179 | Sierra Leone | 13 | 12 | 73 | 1 | 5.62 | 40 |
180 | Suriname | 12 | 12 | 264 | 10 | 22 | 32 |
181 | Virgin Islands (U.S.) | 12 | 12 | 187 | 1 | 15.58 | 33 |
182 | Burundi | 11 | 11 | 164 | 10 | 14.91 | 35 |
183 | Montenegro | 10 | 10 | 19 | 8 | 1.9 | 40 |
184 | Solomon Islands | 9 | 8 | 233 | 19 | 25.89 | 36 |
185 | Equatorial Guinea | 9 | 9 | 151 | 17 | 16.78 | 23 |
186 | Palau | 9 | 7 | 333 | 17 | 37 | 30 |
187 | Samoa | 9 | 8 | 108 | 7 | 12 | 30 |
188 | San Marino | 9 | 9 | 77 | 0 | 8.56 | 26 |
189 | Federated States of Micronesia | 9 | 9 | 172 | 8 | 19.11 | 27 |
190 | Saint Kitts and Nevis | 8 | 3 | 251 | 1 | 31.38 | 25 |
191 | Bahamas | 7 | 7 | 116 | 8 | 16.57 | 38 |
192 | Liberia | 7 | 5 | 72 | 6 | 10.29 | 28 |
193 | American Samoa | 7 | 7 | 89 | 2 | 12.71 | 24 |
194 | Turkmenistan | 7 | 7 | 96 | 32 | 13.71 | 23 |
195 | Marshall Islands | 6 | 6 | 43 | 0 | 7.17 | 19 |
196 | Maldives | 6 | 6 | 32 | 4 | 5.33 | 24 |
197 | Dominica | 5 | 5 | 128 | 0 | 25.6 | 27 |
198 | Cayman Islands | 5 | 5 | 146 | 0 | 29.2 | 25 |
199 | Tonga | 5 | 5 | 94 | 1 | 18.8 | 24 |
200 | Northern Mariana Islands | 5 | 5 | 107 | 0 | 21.4 | 15 |
201 | Saint Lucia | 4 | 3 | 12 | 0 | 3 | 20 |
202 | Andorra | 4 | 4 | 101 | 0 | 25.25 | 22 |
203 | Djibouti | 4 | 4 | 115 | 7 | 28.75 | 20 |
204 | Saint Vincent and the Grenadines | 4 | 4 | 110 | 0 | 27.5 | 15 |
205 | Gibraltar | 4 | 3 | 40 | 6 | 10 | 24 |
206 | Sao Tome and Principe | 3 | 3 | 70 | 4 | 23.33 | 16 |
207 | Mayotte | 3 | 3 | 19 | 2 | 6.33 | 11 |
208 | Virgin Islands (British) | 3 | 2 | 10 | 0 | 3.33 | 24 |
209 | Cape Verde | 2 | 2 | 3 | 0 | 1.5 | 20 |
210 | Turks and Caicos Islands | 2 | 2 | 56 | 1 | 28 | 15 |
211 | Aruba | 2 | 2 | 0 | 0 | 0 | 14 |
212 | Somalia | 2 | 2 | 56 | 0 | 28 | 18 |
213 | Montserrat | 2 | 2 | 129 | 16 | 64.5 | 29 |
214 | Comoros | 2 | 2 | 19 | 9 | 9.5 | 15 |
215 | Antigua and Barbuda | 2 | 2 | 46 | 0 | 23 | 15 |
216 | Tuvalu | 2 | 2 | 13 | 0 | 6.5 | 9 |
217 | Vatican City State | 1 | 1 | 5 | 0 | 5 | 7 |
218 | Nauru | 1 | 1 | 7 | 0 | 7 | 8 |
219 | Tokelau | 1 | 1 | 45 | 0 | 45 | 1 |
220 | Niue | 1 | 1 | 0 | 0 | 0 | 4 |
221 | Svalbard and Jan Mayen | 1 | 1 | 42 | 0 | 42 | 9 |