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 1999
Rank | Country | Documents | Citable documents | Citations | Self-citations | Citations per document | H index |
---|---|---|---|---|---|---|---|
1 | United States | 333593 | 320219 | 13601002 | 6258784 | 40.77 | 1965 |
2 | Japan | 93903 | 92567 | 2124719 | 572408 | 22.63 | 871 |
3 | United Kingdom | 92926 | 86304 | 3184971 | 690899 | 34.27 | 1213 |
4 | Germany | 83541 | 81537 | 2525801 | 594579 | 30.23 | 1059 |
5 | France | 60717 | 58845 | 1779821 | 363021 | 29.31 | 966 |
6 | Canada | 40665 | 39359 | 1509775 | 259199 | 37.13 | 963 |
7 | Italy | 40269 | 38884 | 1144942 | 241817 | 28.43 | 839 |
8 | China | 39396 | 39315 | 417938 | 188429 | 10.61 | 655 |
9 | Russian Federation | 31397 | 31343 | 322386 | 89414 | 10.27 | 467 |
10 | Spain | 28597 | 27434 | 739633 | 167366 | 25.86 | 723 |
11 | Australia | 26984 | 25829 | 849783 | 163481 | 31.49 | 795 |
12 | India | 23623 | 23067 | 335445 | 113243 | 14.2 | 478 |
13 | Netherlands | 23019 | 22277 | 948673 | 133419 | 41.21 | 835 |
14 | Sweden | 18455 | 18077 | 693117 | 97704 | 37.56 | 735 |
15 | Switzerland | 17229 | 16751 | 720009 | 84883 | 41.79 | 818 |
16 | South Korea | 15937 | 15824 | 306191 | 57452 | 19.21 | 536 |
17 | Poland | 12906 | 12818 | 192025 | 49382 | 14.88 | 445 |
18 | Brazil | 12906 | 12723 | 251168 | 76406 | 19.46 | 461 |
19 | Belgium | 12770 | 12377 | 421373 | 52312 | 33 | 661 |
20 | Taiwan | 12309 | 12203 | 237577 | 46557 | 19.3 | 406 |
21 | Israel | 10808 | 10503 | 372439 | 47098 | 34.46 | 584 |
22 | Denmark | 9177 | 8994 | 369802 | 47702 | 40.3 | 619 |
23 | Austria | 8737 | 8445 | 290378 | 33069 | 33.24 | 540 |
24 | Finland | 8482 | 8363 | 305743 | 43941 | 36.05 | 533 |
25 | Turkey | 7835 | 7464 | 115491 | 30866 | 14.74 | 339 |
26 | Norway | 6216 | 6104 | 202531 | 29973 | 32.58 | 491 |
27 | Mexico | 6078 | 5977 | 120566 | 24760 | 19.84 | 352 |
28 | Hong Kong | 5944 | 5773 | 166634 | 20172 | 28.03 | 447 |
29 | Ukraine | 5896 | 5893 | 46411 | 12047 | 7.87 | 211 |
30 | Greece | 5887 | 5740 | 125155 | 21142 | 21.26 | 402 |
31 | Czech Republic | 5812 | 5759 | 92055 | 20312 | 15.84 | 367 |
32 | New Zealand | 5632 | 5464 | 164277 | 24254 | 29.17 | 428 |
33 | Argentina | 5068 | 5001 | 100030 | 21899 | 19.74 | 337 |
34 | Hungary | 5020 | 4915 | 100245 | 16545 | 19.97 | 363 |
35 | South Africa | 4909 | 4733 | 116683 | 19642 | 23.77 | 361 |
36 | Singapore | 4726 | 4661 | 95463 | 11080 | 20.2 | 454 |
37 | Portugal | 3940 | 3872 | 108023 | 18694 | 27.42 | 379 |
38 | Ireland | 3229 | 3088 | 101637 | 9131 | 31.48 | 414 |
39 | Egypt | 2801 | 2778 | 39866 | 7860 | 14.23 | 213 |
40 | Slovakia | 2485 | 2461 | 36585 | 6447 | 14.72 | 222 |
41 | Bulgaria | 2171 | 2150 | 29007 | 4398 | 13.36 | 205 |
42 | Chile | 2094 | 2077 | 59324 | 9429 | 28.33 | 291 |
43 | Romania | 2010 | 1996 | 16805 | 2877 | 8.36 | 201 |
44 | Slovenia | 1859 | 1842 | 31736 | 6230 | 17.07 | 231 |
45 | Saudi Arabia | 1834 | 1762 | 26288 | 2990 | 14.33 | 241 |
46 | Croatia | 1830 | 1807 | 20018 | 4834 | 10.94 | 221 |
47 | Thailand | 1766 | 1730 | 36871 | 5664 | 20.88 | 269 |
48 | Iran | 1398 | 1386 | 24581 | 8904 | 17.58 | 234 |
49 | Cuba | 1291 | 1258 | 13000 | 2516 | 10.07 | 145 |
50 | Malaysia | 1286 | 1258 | 21994 | 3775 | 17.1 | 224 |
51 | Belarus | 1269 | 1269 | 12943 | 2140 | 10.2 | 146 |
52 | Venezuela | 1247 | 1234 | 21037 | 2647 | 16.87 | 181 |
53 | Morocco | 1195 | 1183 | 15379 | 2669 | 12.87 | 151 |
54 | Pakistan | 1179 | 1152 | 12914 | 2907 | 10.95 | 197 |
55 | Nigeria | 1066 | 1051 | 13970 | 3221 | 13.11 | 153 |
56 | Colombia | 754 | 744 | 14293 | 1664 | 18.96 | 216 |
57 | Tunisia | 750 | 733 | 7949 | 1950 | 10.6 | 144 |
58 | Kuwait | 709 | 700 | 10707 | 1270 | 15.1 | 123 |
59 | Lithuania | 702 | 700 | 12394 | 1839 | 17.66 | 165 |
60 | Estonia | 672 | 666 | 16133 | 2836 | 24.01 | 215 |
61 | Kenya | 630 | 607 | 19264 | 2942 | 30.58 | 201 |
62 | Indonesia | 600 | 593 | 11581 | 1156 | 19.3 | 175 |
63 | Jordan | 590 | 587 | 7849 | 1050 | 13.3 | 130 |
64 | Bangladesh | 563 | 555 | 8169 | 1540 | 14.51 | 154 |
65 | Philippines | 487 | 485 | 14584 | 1321 | 29.95 | 189 |
66 | Algeria | 477 | 476 | 5022 | 1005 | 10.53 | 125 |
67 | Puerto Rico | 472 | 461 | 17187 | 863 | 36.41 | 184 |
68 | Latvia | 447 | 447 | 6146 | 954 | 13.75 | 129 |
69 | Uzbekistan | 403 | 402 | 2594 | 354 | 6.44 | 77 |
70 | Lebanon | 401 | 376 | 7510 | 539 | 18.73 | 157 |
71 | Iceland | 385 | 373 | 12996 | 1181 | 33.76 | 251 |
72 | Zimbabwe | 382 | 370 | 6114 | 564 | 16.01 | 111 |
73 | United Arab Emirates | 378 | 365 | 5038 | 460 | 13.33 | 153 |
74 | Armenia | 361 | 358 | 4890 | 761 | 13.55 | 150 |
75 | Viet Nam | 360 | 355 | 7973 | 877 | 22.15 | 167 |
76 | Georgia | 350 | 348 | 4554 | 508 | 13.01 | 135 |
77 | Uruguay | 333 | 325 | 11037 | 1229 | 33.14 | 150 |
78 | Ethiopia | 263 | 260 | 6212 | 1067 | 23.62 | 115 |
79 | Sri Lanka | 253 | 247 | 4918 | 509 | 19.44 | 135 |
80 | Tanzania | 251 | 249 | 5408 | 893 | 21.55 | 136 |
81 | Peru | 236 | 232 | 6882 | 659 | 29.16 | 179 |
82 | Senegal | 232 | 222 | 3677 | 484 | 15.85 | 106 |
83 | Oman | 232 | 219 | 2881 | 262 | 12.42 | 105 |
84 | Costa Rica | 223 | 217 | 5949 | 662 | 26.68 | 152 |
85 | Ghana | 223 | 219 | 4302 | 560 | 19.29 | 119 |
86 | Cyprus | 210 | 206 | 4968 | 457 | 23.66 | 151 |
87 | Moldova | 210 | 210 | 2374 | 390 | 11.3 | 90 |
88 | Kazakhstan | 207 | 207 | 2870 | 241 | 13.86 | 75 |
89 | Cameroon | 203 | 201 | 4313 | 708 | 21.25 | 106 |
90 | Uganda | 202 | 193 | 7533 | 1074 | 37.29 | 145 |
91 | Serbia | 202 | 199 | 756 | 101 | 3.74 | 149 |
92 | Azerbaijan | 198 | 197 | 1075 | 186 | 5.43 | 76 |
93 | Côte d’Ivoire | 183 | 180 | 4779 | 462 | 26.11 | 99 |
94 | Nepal | 164 | 143 | 3979 | 535 | 24.26 | 106 |
95 | Macedonia | 157 | 155 | 1466 | 263 | 9.34 | 91 |
96 | Jamaica | 143 | 140 | 6258 | 339 | 43.76 | 83 |
97 | Botswana | 137 | 137 | 2664 | 209 | 19.45 | 89 |
98 | Ecuador | 135 | 132 | 3231 | 379 | 23.93 | 126 |
99 | Syrian Arab Republic | 133 | 132 | 2646 | 319 | 19.89 | 89 |
100 | Bolivia | 121 | 121 | 4373 | 323 | 36.14 | 103 |
101 | Malawi | 117 | 106 | 4415 | 394 | 37.74 | 117 |
102 | Papua New Guinea | 113 | 112 | 2231 | 212 | 19.74 | 79 |
103 | Panama | 112 | 109 | 6185 | 598 | 55.22 | 162 |
104 | Bahrain | 111 | 103 | 1529 | 93 | 13.77 | 61 |
105 | Burkina Faso | 110 | 105 | 2695 | 325 | 24.5 | 91 |
106 | Sudan | 108 | 107 | 2463 | 231 | 22.81 | 78 |
107 | Trinidad and Tobago | 105 | 101 | 1672 | 146 | 15.92 | 84 |
108 | Zambia | 96 | 96 | 1757 | 192 | 18.3 | 102 |
109 | Madagascar | 86 | 82 | 1951 | 314 | 22.69 | 81 |
110 | Luxembourg | 81 | 79 | 1944 | 97 | 24 | 136 |
111 | Benin | 80 | 79 | 1360 | 224 | 17 | 73 |
112 | Iraq | 76 | 74 | 803 | 82 | 10.57 | 71 |
113 | Malta | 75 | 72 | 1575 | 49 | 21 | 93 |
114 | Gambia | 74 | 71 | 3819 | 278 | 51.61 | 107 |
115 | Gabon | 67 | 66 | 1931 | 157 | 28.82 | 89 |
116 | Qatar | 66 | 64 | 1150 | 34 | 17.42 | 105 |
117 | Guatemala | 63 | 60 | 2414 | 50 | 38.32 | 78 |
118 | Mauritius | 63 | 61 | 1263 | 41 | 20.05 | 61 |
119 | Togo | 60 | 57 | 425 | 46 | 7.08 | 42 |
120 | Libya | 60 | 60 | 788 | 40 | 13.13 | 57 |
121 | Niger | 54 | 53 | 1181 | 83 | 21.87 | 64 |
122 | Congo | 53 | 51 | 548 | 69 | 10.34 | 81 |
123 | Mali | 52 | 52 | 916 | 50 | 17.62 | 82 |
124 | Bosnia and Herzegovina | 50 | 49 | 383 | 93 | 7.66 | 71 |
125 | Palestine | 49 | 49 | 404 | 49 | 8.24 | 69 |
126 | Tajikistan | 49 | 49 | 205 | 19 | 4.18 | 34 |
127 | Fiji | 49 | 48 | 701 | 33 | 14.31 | 67 |
128 | Brunei Darussalam | 48 | 47 | 995 | 93 | 20.73 | 57 |
129 | Mongolia | 48 | 48 | 866 | 99 | 18.04 | 78 |
130 | New Caledonia | 48 | 47 | 1379 | 150 | 28.73 | 82 |
131 | Guadeloupe | 47 | 43 | 751 | 41 | 15.98 | 57 |
132 | Namibia | 47 | 47 | 1213 | 90 | 25.81 | 79 |
133 | Monaco | 44 | 41 | 952 | 174 | 21.64 | 85 |
134 | Mozambique | 43 | 43 | 823 | 48 | 19.14 | 81 |
135 | Yemen | 43 | 43 | 384 | 58 | 8.93 | 58 |
136 | Barbados | 42 | 39 | 919 | 57 | 21.88 | 71 |
137 | North Korea | 40 | 40 | 1515 | 12 | 37.88 | 85 |
138 | Honduras | 39 | 38 | 851 | 61 | 21.82 | 55 |
139 | French Polynesia | 39 | 39 | 1178 | 144 | 30.21 | 69 |
140 | Albania | 38 | 37 | 995 | 67 | 26.18 | 53 |
141 | Guam | 38 | 38 | 873 | 34 | 22.97 | 58 |
142 | Kyrgyzstan | 38 | 38 | 369 | 57 | 9.71 | 51 |
143 | Cambodia | 32 | 27 | 547 | 80 | 17.09 | 86 |
144 | Dominican Republic | 32 | 30 | 804 | 20 | 25.13 | 58 |
145 | French Guiana | 29 | 28 | 660 | 38 | 22.76 | 63 |
146 | Nicaragua | 28 | 27 | 723 | 66 | 25.82 | 70 |
147 | Democratic Republic Congo | 28 | 27 | 2282 | 76 | 81.5 | 49 |
148 | Liechtenstein | 27 | 26 | 761 | 58 | 28.19 | 64 |
149 | Myanmar | 24 | 24 | 505 | 58 | 21.04 | 58 |
150 | Central African Republic | 23 | 22 | 347 | 13 | 15.09 | 44 |
151 | Guyana | 22 | 22 | 554 | 17 | 25.18 | 36 |
152 | Martinique | 22 | 20 | 166 | 10 | 7.55 | 43 |
153 | Paraguay | 20 | 20 | 665 | 18 | 33.25 | 69 |
154 | Swaziland | 20 | 19 | 122 | 10 | 6.1 | 51 |
155 | Netherlands Antilles | 19 | 19 | 746 | 13 | 39.26 | 49 |
156 | Solomon Islands | 18 | 18 | 449 | 27 | 24.94 | 36 |
157 | Guinea-Bissau | 17 | 17 | 700 | 108 | 41.18 | 54 |
158 | Burundi | 17 | 17 | 389 | 26 | 22.88 | 35 |
159 | Bermuda | 16 | 13 | 558 | 42 | 34.88 | 78 |
160 | Mauritania | 15 | 14 | 295 | 7 | 19.67 | 38 |
161 | Greenland | 14 | 14 | 429 | 25 | 30.64 | 56 |
162 | Macao | 14 | 13 | 72 | 1 | 5.14 | 73 |
163 | Angola | 13 | 13 | 322 | 13 | 24.77 | 38 |
164 | El Salvador | 12 | 12 | 108 | 6 | 9 | 51 |
165 | Montenegro | 12 | 12 | 27 | 3 | 2.25 | 40 |
166 | Guinea | 12 | 11 | 162 | 10 | 13.5 | 51 |
167 | Eritrea | 12 | 12 | 264 | 5 | 22 | 39 |
168 | Faroe Islands | 11 | 11 | 715 | 52 | 65 | 52 |
169 | Laos | 11 | 11 | 176 | 22 | 16 | 67 |
170 | Lesotho | 11 | 11 | 112 | 1 | 10.18 | 31 |
171 | Vanuatu | 11 | 11 | 284 | 28 | 25.82 | 33 |
172 | Suriname | 10 | 10 | 232 | 15 | 23.2 | 32 |
173 | Samoa | 10 | 10 | 108 | 20 | 10.8 | 30 |
174 | Falkland Islands (Malvinas) | 9 | 9 | 199 | 15 | 22.11 | 36 |
175 | Rwanda | 9 | 9 | 345 | 8 | 38.33 | 62 |
176 | Reunion | 9 | 9 | 142 | 2 | 15.78 | 43 |
177 | Bahamas | 8 | 6 | 348 | 6 | 43.5 | 38 |
178 | Sierra Leone | 8 | 8 | 144 | 2 | 18 | 40 |
179 | Chad | 7 | 7 | 100 | 1 | 14.29 | 36 |
180 | Belize | 7 | 6 | 199 | 5 | 28.43 | 45 |
181 | Haïti | 6 | 5 | 354 | 5 | 59 | 55 |
182 | Virgin Islands (U.S.) | 6 | 6 | 154 | 5 | 25.67 | 33 |
183 | Grenada | 6 | 6 | 249 | 3 | 41.5 | 40 |
184 | Equatorial Guinea | 6 | 6 | 234 | 8 | 39 | 23 |
185 | Virgin Islands (British) | 5 | 5 | 174 | 0 | 34.8 | 24 |
186 | Saint Kitts and Nevis | 5 | 4 | 119 | 1 | 23.8 | 25 |
187 | American Samoa | 4 | 4 | 61 | 2 | 15.25 | 24 |
188 | Antigua and Barbuda | 4 | 4 | 58 | 5 | 14.5 | 15 |
189 | Federated States of Micronesia | 4 | 4 | 64 | 2 | 16 | 27 |
190 | Turkmenistan | 4 | 4 | 33 | 2 | 8.25 | 23 |
191 | Comoros | 3 | 3 | 121 | 0 | 40.33 | 15 |
192 | Cape Verde | 3 | 3 | 64 | 1 | 21.33 | 20 |
193 | Maldives | 3 | 3 | 12 | 0 | 4 | 24 |
194 | Tonga | 3 | 3 | 36 | 5 | 12 | 24 |
195 | Seychelles | 3 | 3 | 109 | 9 | 36.33 | 52 |
196 | Somalia | 3 | 3 | 19 | 0 | 6.33 | 18 |
197 | Afghanistan | 3 | 3 | 21 | 0 | 7 | 40 |
198 | Vatican City State | 2 | 1 | 0 | 0 | 0 | 7 |
199 | Cayman Islands | 2 | 2 | 4 | 0 | 2 | 25 |
200 | Anguilla | 2 | 1 | 31 | 0 | 15.5 | 10 |
201 | Djibouti | 2 | 1 | 30 | 3 | 15 | 20 |
202 | Mayotte | 2 | 2 | 9 | 1 | 4.5 | 11 |
203 | Bhutan | 2 | 2 | 38 | 11 | 19 | 32 |
204 | Turks and Caicos Islands | 2 | 2 | 36 | 4 | 18 | 15 |
205 | Saint Lucia | 1 | 1 | 16 | 1 | 16 | 20 |
206 | Svalbard and Jan Mayen | 1 | 1 | 22 | 1 | 22 | 9 |
207 | Saint Helena | 1 | 1 | 0 | 0 | 0 | 6 |
208 | Norfolk Island | 1 | 1 | 13 | 0 | 13 | 9 |
209 | Gibraltar | 1 | 1 | 58 | 4 | 58 | 24 |
210 | Marshall Islands | 1 | 1 | 9 | 0 | 9 | 19 |
211 | South Georgia and the South Sandwich Islands | 1 | 1 | 31 | 0 | 31 | 3 |
212 | Cook Islands | 1 | 1 | 8 | 0 | 8 | 15 |
213 | San Marino | 1 | 1 | 120 | 0 | 120 | 26 |
214 | Christmas Island | 1 | 1 | 4 | 0 | 4 | 4 |
215 | Saint Vincent and the Grenadines | 1 | 1 | 8 | 0 | 8 | 15 |
216 | Niue | 1 | 1 | 2 | 0 | 2 | 4 |