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 2001
Rank | Country | Documents | Citable documents | Citations | Self-citations | Citations per document | H index |
---|---|---|---|---|---|---|---|
1 | United States | 347212 | 331217 | 14632771 | 6657557 | 42.14 | 1965 |
2 | Japan | 96134 | 94298 | 2265652 | 596374 | 23.57 | 871 |
3 | United Kingdom | 95325 | 87664 | 3354131 | 733271 | 35.19 | 1213 |
4 | Germany | 88080 | 85173 | 2669531 | 623328 | 30.31 | 1059 |
5 | France | 62607 | 60314 | 1857845 | 377656 | 29.67 | 966 |
6 | China | 60982 | 60708 | 656014 | 324126 | 10.76 | 655 |
7 | Italy | 43637 | 41916 | 1246422 | 266445 | 28.56 | 839 |
8 | Canada | 42195 | 40364 | 1582899 | 273274 | 37.51 | 963 |
9 | Russian Federation | 34773 | 34588 | 323922 | 93335 | 9.32 | 467 |
10 | Spain | 30943 | 29628 | 820079 | 181280 | 26.5 | 723 |
11 | Australia | 29392 | 27826 | 968985 | 186846 | 32.97 | 795 |
12 | India | 25527 | 24782 | 408921 | 137662 | 16.02 | 478 |
13 | Netherlands | 24498 | 23558 | 1015659 | 143019 | 41.46 | 835 |
14 | South Korea | 20509 | 20212 | 423525 | 79608 | 20.65 | 536 |
15 | Sweden | 18990 | 18520 | 760503 | 104030 | 40.05 | 735 |
16 | Switzerland | 17194 | 16567 | 737888 | 85399 | 42.92 | 818 |
17 | Brazil | 15308 | 15077 | 298600 | 94913 | 19.51 | 461 |
18 | Poland | 14947 | 14787 | 232489 | 56446 | 15.55 | 445 |
19 | Taiwan | 14872 | 14627 | 300315 | 59019 | 20.19 | 406 |
20 | Belgium | 13134 | 12668 | 446566 | 56084 | 34 | 661 |
21 | Israel | 11717 | 11300 | 439808 | 52006 | 37.54 | 584 |
22 | Turkey | 9672 | 9194 | 164019 | 39706 | 16.96 | 339 |
23 | Austria | 9636 | 9231 | 301443 | 34662 | 31.28 | 540 |
24 | Finland | 9631 | 9405 | 344953 | 48114 | 35.82 | 533 |
25 | Denmark | 9493 | 9210 | 410932 | 50612 | 43.29 | 619 |
26 | Hong Kong | 7709 | 7463 | 210362 | 25723 | 27.29 | 447 |
27 | Ukraine | 7369 | 7330 | 45705 | 13003 | 6.2 | 211 |
28 | Greece | 7147 | 6931 | 171946 | 26326 | 24.06 | 402 |
29 | Mexico | 6776 | 6638 | 135104 | 27233 | 19.94 | 352 |
30 | Czech Republic | 6685 | 6593 | 108031 | 23754 | 16.16 | 367 |
31 | Norway | 6628 | 6436 | 238526 | 32726 | 35.99 | 491 |
32 | Singapore | 5944 | 5843 | 144659 | 15611 | 24.34 | 454 |
33 | New Zealand | 5687 | 5441 | 166863 | 24791 | 29.34 | 428 |
34 | Argentina | 5515 | 5393 | 114170 | 22260 | 20.7 | 337 |
35 | Hungary | 5341 | 5241 | 119813 | 17161 | 22.43 | 363 |
36 | South Africa | 5020 | 4760 | 107665 | 22010 | 21.45 | 361 |
37 | Portugal | 4790 | 4686 | 121241 | 21797 | 25.31 | 379 |
38 | Ireland | 3844 | 3631 | 133853 | 11029 | 34.82 | 414 |
39 | Egypt | 3338 | 3307 | 46590 | 9358 | 13.96 | 213 |
40 | Slovakia | 2515 | 2468 | 35759 | 6503 | 14.22 | 222 |
41 | Chile | 2331 | 2287 | 60594 | 10681 | 25.99 | 291 |
42 | Thailand | 2292 | 2253 | 41996 | 6682 | 18.32 | 269 |
43 | Romania | 2228 | 2211 | 22753 | 4107 | 10.21 | 201 |
44 | Iran | 2155 | 2130 | 35895 | 12755 | 16.66 | 234 |
45 | Croatia | 2093 | 2065 | 24293 | 5230 | 11.61 | 221 |
46 | Bulgaria | 2083 | 2050 | 28864 | 4421 | 13.86 | 205 |
47 | Slovenia | 2065 | 2033 | 35621 | 6247 | 17.25 | 231 |
48 | Saudi Arabia | 1862 | 1800 | 26626 | 3585 | 14.3 | 241 |
49 | Belarus | 1496 | 1494 | 15896 | 2119 | 10.63 | 146 |
50 | Malaysia | 1416 | 1386 | 25904 | 4821 | 18.29 | 224 |
51 | Pakistan | 1394 | 1322 | 15528 | 3457 | 11.14 | 197 |
52 | Venezuela | 1392 | 1364 | 22405 | 3031 | 16.1 | 181 |
53 | Cuba | 1339 | 1325 | 15564 | 2958 | 11.62 | 145 |
54 | Morocco | 1322 | 1294 | 16801 | 3068 | 12.71 | 151 |
55 | Nigeria | 1010 | 992 | 13930 | 2814 | 13.79 | 153 |
56 | Tunisia | 978 | 951 | 14229 | 2901 | 14.55 | 144 |
57 | Colombia | 789 | 767 | 15975 | 2236 | 20.25 | 216 |
58 | Lithuania | 733 | 723 | 10001 | 1898 | 13.64 | 165 |
59 | Estonia | 699 | 688 | 16541 | 2862 | 23.66 | 215 |
60 | Kenya | 657 | 643 | 18534 | 2742 | 28.21 | 201 |
61 | Jordan | 647 | 640 | 9792 | 1100 | 15.13 | 130 |
62 | Kuwait | 630 | 620 | 9765 | 1024 | 15.5 | 123 |
63 | Indonesia | 626 | 618 | 13738 | 1199 | 21.95 | 175 |
64 | Algeria | 616 | 610 | 9018 | 1442 | 14.64 | 125 |
65 | Bangladesh | 606 | 590 | 9117 | 1294 | 15.04 | 154 |
66 | United Arab Emirates | 536 | 520 | 7767 | 729 | 14.49 | 153 |
67 | Lebanon | 513 | 494 | 8979 | 842 | 17.5 | 157 |
68 | Uzbekistan | 456 | 452 | 2899 | 536 | 6.36 | 77 |
69 | Philippines | 441 | 435 | 10628 | 984 | 24.1 | 189 |
70 | Armenia | 429 | 423 | 6592 | 1266 | 15.37 | 150 |
71 | Latvia | 429 | 426 | 5860 | 910 | 13.66 | 129 |
72 | Puerto Rico | 425 | 418 | 11357 | 924 | 26.72 | 184 |
73 | Viet Nam | 409 | 407 | 11424 | 1307 | 27.93 | 167 |
74 | Georgia | 403 | 396 | 10317 | 564 | 25.6 | 135 |
75 | Iceland | 377 | 367 | 16023 | 1606 | 42.5 | 251 |
76 | Uruguay | 352 | 343 | 8895 | 1229 | 25.27 | 150 |
77 | Zimbabwe | 335 | 312 | 7773 | 464 | 23.2 | 111 |
78 | Oman | 311 | 293 | 4719 | 509 | 15.17 | 105 |
79 | Costa Rica | 283 | 276 | 8689 | 1026 | 30.7 | 152 |
80 | Serbia | 281 | 280 | 2487 | 257 | 8.85 | 149 |
81 | Peru | 269 | 260 | 7758 | 710 | 28.84 | 179 |
82 | Sri Lanka | 261 | 253 | 4800 | 451 | 18.39 | 135 |
83 | Tanzania | 241 | 232 | 7007 | 1001 | 29.07 | 136 |
84 | Cameroon | 240 | 239 | 4902 | 966 | 20.43 | 106 |
85 | Kazakhstan | 236 | 232 | 2910 | 316 | 12.33 | 75 |
86 | Macedonia | 228 | 221 | 3726 | 338 | 16.34 | 91 |
87 | Ethiopia | 221 | 216 | 5160 | 885 | 23.35 | 115 |
88 | Cyprus | 218 | 212 | 4450 | 478 | 20.41 | 151 |
89 | Moldova | 212 | 212 | 2028 | 424 | 9.57 | 90 |
90 | Uganda | 207 | 199 | 7978 | 1065 | 38.54 | 145 |
91 | Nepal | 204 | 186 | 5054 | 484 | 24.77 | 106 |
92 | Ghana | 201 | 195 | 4386 | 546 | 21.82 | 119 |
93 | North Korea | 194 | 191 | 5626 | 30 | 29 | 85 |
94 | Azerbaijan | 186 | 186 | 837 | 227 | 4.5 | 76 |
95 | Senegal | 185 | 172 | 4485 | 437 | 24.24 | 106 |
96 | Jamaica | 178 | 168 | 2981 | 319 | 16.75 | 83 |
97 | Trinidad and Tobago | 156 | 143 | 2325 | 193 | 14.9 | 84 |
98 | Botswana | 140 | 140 | 1581 | 191 | 11.29 | 89 |
99 | Malawi | 127 | 115 | 3052 | 380 | 24.03 | 117 |
100 | Syrian Arab Republic | 124 | 121 | 2439 | 237 | 19.67 | 89 |
101 | Ecuador | 123 | 117 | 3970 | 513 | 32.28 | 126 |
102 | Côte d’Ivoire | 120 | 117 | 2392 | 260 | 19.93 | 99 |
103 | Luxembourg | 119 | 114 | 3411 | 155 | 28.66 | 136 |
104 | Qatar | 111 | 103 | 864 | 58 | 7.78 | 105 |
105 | Panama | 110 | 108 | 7477 | 686 | 67.97 | 162 |
106 | Zambia | 107 | 104 | 2975 | 287 | 27.8 | 102 |
107 | Papua New Guinea | 103 | 103 | 2508 | 184 | 24.35 | 79 |
108 | Bahrain | 103 | 100 | 1153 | 73 | 11.19 | 61 |
109 | Iraq | 102 | 99 | 823 | 87 | 8.07 | 71 |
110 | Burkina Faso | 101 | 97 | 2666 | 348 | 26.4 | 91 |
111 | Bolivia | 91 | 91 | 2396 | 129 | 26.33 | 103 |
112 | Sudan | 90 | 89 | 1857 | 216 | 20.63 | 78 |
113 | Madagascar | 82 | 79 | 1489 | 222 | 18.16 | 81 |
114 | Benin | 74 | 73 | 1376 | 147 | 18.59 | 73 |
115 | Malta | 74 | 71 | 1713 | 78 | 23.15 | 93 |
116 | Gambia | 70 | 65 | 2983 | 248 | 42.61 | 107 |
117 | Libya | 70 | 64 | 557 | 29 | 7.96 | 57 |
118 | Mauritius | 66 | 64 | 923 | 58 | 13.98 | 61 |
119 | Namibia | 65 | 62 | 1221 | 196 | 18.78 | 79 |
120 | Barbados | 65 | 61 | 1121 | 87 | 17.25 | 71 |
121 | Bosnia and Herzegovina | 62 | 60 | 730 | 70 | 11.77 | 71 |
122 | Yemen | 61 | 58 | 1110 | 117 | 18.2 | 58 |
123 | Palestine | 61 | 61 | 1423 | 123 | 23.33 | 69 |
124 | New Caledonia | 58 | 58 | 1958 | 187 | 33.76 | 82 |
125 | Mali | 56 | 56 | 2202 | 180 | 39.32 | 82 |
126 | Gabon | 55 | 53 | 1489 | 170 | 27.07 | 89 |
127 | Mozambique | 52 | 52 | 894 | 111 | 17.19 | 81 |
128 | Monaco | 49 | 47 | 2008 | 214 | 40.98 | 85 |
129 | Guatemala | 48 | 46 | 1298 | 41 | 27.04 | 78 |
130 | Mongolia | 48 | 48 | 1098 | 140 | 22.88 | 78 |
131 | Fiji | 48 | 46 | 1249 | 79 | 26.02 | 67 |
132 | Kyrgyzstan | 45 | 45 | 1121 | 50 | 24.91 | 51 |
133 | Congo | 42 | 38 | 668 | 68 | 15.9 | 81 |
134 | Niger | 41 | 40 | 505 | 23 | 12.32 | 64 |
135 | Brunei Darussalam | 39 | 36 | 824 | 78 | 21.13 | 57 |
136 | Togo | 38 | 36 | 412 | 25 | 10.84 | 42 |
137 | Albania | 37 | 37 | 374 | 73 | 10.11 | 53 |
138 | Tajikistan | 35 | 35 | 490 | 28 | 14 | 34 |
139 | Bermuda | 34 | 34 | 1881 | 264 | 55.32 | 78 |
140 | Guam | 34 | 33 | 984 | 29 | 28.94 | 58 |
141 | French Polynesia | 33 | 32 | 1101 | 118 | 33.36 | 69 |
142 | Paraguay | 29 | 29 | 504 | 53 | 17.38 | 69 |
143 | Cambodia | 28 | 27 | 817 | 36 | 29.18 | 86 |
144 | El Salvador | 28 | 28 | 442 | 10 | 15.79 | 51 |
145 | Guadeloupe | 27 | 27 | 675 | 45 | 25 | 57 |
146 | Macao | 26 | 26 | 268 | 15 | 10.31 | 73 |
147 | Guinea | 23 | 23 | 327 | 9 | 14.22 | 51 |
148 | Nicaragua | 23 | 23 | 582 | 32 | 25.3 | 70 |
149 | Myanmar | 23 | 23 | 769 | 59 | 33.43 | 58 |
150 | Dominican Republic | 22 | 22 | 786 | 30 | 35.73 | 58 |
151 | French Guiana | 21 | 21 | 519 | 51 | 24.71 | 63 |
152 | Greenland | 20 | 19 | 377 | 53 | 18.85 | 56 |
153 | Guyana | 20 | 19 | 690 | 15 | 34.5 | 36 |
154 | Honduras | 18 | 18 | 455 | 10 | 25.28 | 55 |
155 | Mauritania | 18 | 18 | 261 | 42 | 14.5 | 38 |
156 | Liechtenstein | 17 | 17 | 549 | 61 | 32.29 | 64 |
157 | Montenegro | 16 | 16 | 53 | 1 | 3.31 | 40 |
158 | Eritrea | 16 | 16 | 142 | 20 | 8.88 | 39 |
159 | Netherlands Antilles | 15 | 10 | 298 | 8 | 19.87 | 49 |
160 | Laos | 15 | 15 | 384 | 72 | 25.6 | 67 |
161 | Angola | 14 | 14 | 228 | 15 | 16.29 | 38 |
162 | Lesotho | 14 | 13 | 136 | 3 | 9.71 | 31 |
163 | Swaziland | 14 | 13 | 293 | 1 | 20.93 | 51 |
164 | Martinique | 13 | 13 | 171 | 9 | 13.15 | 43 |
165 | Reunion | 13 | 13 | 172 | 5 | 13.23 | 43 |
166 | Central African Republic | 12 | 12 | 255 | 15 | 21.25 | 44 |
167 | Virgin Islands (U.S.) | 12 | 12 | 162 | 9 | 13.5 | 33 |
168 | Turkmenistan | 11 | 11 | 346 | 0 | 31.45 | 23 |
169 | Suriname | 11 | 11 | 224 | 12 | 20.36 | 32 |
170 | Haïti | 11 | 9 | 570 | 49 | 51.82 | 55 |
171 | Rwanda | 11 | 11 | 210 | 18 | 19.09 | 62 |
172 | Maldives | 11 | 11 | 138 | 8 | 12.55 | 24 |
173 | Bahamas | 11 | 11 | 278 | 4 | 25.27 | 38 |
174 | Sierra Leone | 10 | 10 | 58 | 1 | 5.8 | 40 |
175 | Guinea-Bissau | 10 | 8 | 180 | 50 | 18 | 54 |
176 | Chad | 9 | 9 | 62 | 10 | 6.89 | 36 |
177 | Faroe Islands | 9 | 9 | 646 | 53 | 71.78 | 52 |
178 | Burundi | 8 | 7 | 59 | 7 | 7.38 | 35 |
179 | Seychelles | 8 | 7 | 100 | 3 | 12.5 | 52 |
180 | Palau | 7 | 7 | 451 | 20 | 64.43 | 30 |
181 | Samoa | 7 | 7 | 453 | 12 | 64.71 | 30 |
182 | Dominica | 7 | 7 | 95 | 2 | 13.57 | 27 |
183 | Solomon Islands | 6 | 6 | 429 | 7 | 71.5 | 36 |
184 | Falkland Islands (Malvinas) | 6 | 6 | 153 | 46 | 25.5 | 36 |
185 | Democratic Republic Congo | 6 | 5 | 179 | 8 | 29.83 | 49 |
186 | Cayman Islands | 5 | 5 | 34 | 8 | 6.8 | 25 |
187 | Vanuatu | 5 | 3 | 23 | 5 | 4.6 | 33 |
188 | United States Minor Outlying Islands | 5 | 4 | 278 | 0 | 55.6 | 11 |
189 | Virgin Islands (British) | 4 | 4 | 87 | 0 | 21.75 | 24 |
190 | Andorra | 4 | 4 | 26 | 0 | 6.5 | 22 |
191 | American Samoa | 4 | 3 | 46 | 2 | 11.5 | 24 |
192 | Federated States of Micronesia | 3 | 3 | 101 | 9 | 33.67 | 27 |
193 | Marshall Islands | 3 | 3 | 35 | 5 | 11.67 | 19 |
194 | Saint Lucia | 3 | 3 | 8 | 0 | 2.67 | 20 |
195 | Equatorial Guinea | 3 | 3 | 27 | 1 | 9 | 23 |
196 | Grenada | 3 | 3 | 52 | 0 | 17.33 | 40 |
197 | San Marino | 3 | 3 | 76 | 0 | 25.33 | 26 |
198 | Sao Tome and Principe | 3 | 3 | 66 | 9 | 22 | 16 |
199 | Belize | 3 | 2 | 145 | 6 | 48.33 | 45 |
200 | Afghanistan | 3 | 3 | 1 | 1 | 0.33 | 40 |
201 | Bhutan | 2 | 2 | 0 | 0 | 0 | 32 |
202 | Aruba | 2 | 2 | 22 | 0 | 11 | 14 |
203 | Comoros | 2 | 2 | 70 | 0 | 35 | 15 |
204 | Montserrat | 2 | 2 | 34 | 4 | 17 | 29 |
205 | Djibouti | 2 | 2 | 51 | 1 | 25.5 | 20 |
206 | Liberia | 2 | 2 | 68 | 0 | 34 | 28 |
207 | Cape Verde | 2 | 2 | 17 | 0 | 8.5 | 20 |
208 | Tonga | 2 | 2 | 86 | 7 | 43 | 24 |
209 | Saint Kitts and Nevis | 1 | 1 | 0 | 0 | 0 | 25 |
210 | Nauru | 1 | 1 | 6 | 0 | 6 | 8 |
211 | Tuvalu | 1 | 1 | 12 | 1 | 12 | 9 |
212 | Antigua and Barbuda | 1 | 1 | 5 | 3 | 5 | 15 |
213 | Timor-Leste | 1 | 1 | 0 | 0 | 0 | 16 |
214 | French Southern Territories | 1 | 1 | 11 | 0 | 11 | 5 |
215 | Turks and Caicos Islands | 1 | 1 | 47 | 1 | 47 | 15 |
216 | Gibraltar | 1 | 1 | 9 | 1 | 9 | 24 |
217 | British Indian Ocean Territory | 1 | 1 | 4 | 0 | 4 | 8 |
218 | Kiribati | 1 | 1 | 8 | 0 | 8 | 9 |