Table 1:
Rank | Country | Documents | Citations | Self-Citations | Citations per Document | H-index |
---|---|---|---|---|---|---|
1 | United States | 519,573 | 625,753 | 353,259 | 1.2 | 1,305 |
2 | China | 373,756 | 177,334 | 103,245 | 0.47 | 353 |
3 | United Kingdom | 145,899 | 183,651 | 60,479 | 1.26 | 802 |
4 | Germany | 137,519 | 169,355 | 60,341 | 1.23 | 704 |
5 | Japan | 115,416 | 94,705 | 34,116 | 0.82 | 602 |
6 | France | 97,343 | 110,533 | 33,442 | 1.14 | 646 |
7 | India | 88,437 | 46,137 | 20,121 | 0.52 | 281 |
8 | Canada | 80,679 | 97,201 | 25,652 | 1.2 | 621 |
9 | Italy | 77,838 | 86,373 | 26,546 | 1.11 | 550 |
10 | Spain | 71,155 | 74,935 | 24,291 | 1.05 | 448 |
17 | Iran | 36,803 | 18,476 | 9,426 | 0.5 | 121 |
19 | Turkey | 32,609 | 15,450 | 4,843 | 0.47 | 193 |