Variable | Western Europe | Eastern Europe | Africa | North America | Latin America | Middle East | Asia | Pacific | World |
---|---|---|---|---|---|---|---|---|---|
No. countries | 25 | 22 | 46 | 2 | 42 | 20 | 26 | 10 | 193 |
Country H index, median (range) | 34 (0-83) | 8 (0-32) | 5 (1-37) | 83 (67, 98) | 4 (0-41) | 10 (1-67) | 13 (1-47) | 5 (0-59) | 7 (0-98) |
No. articles (% of world) | 56,745 (34.8) | 11,046 (6.8) | 5229 (3.2) | 42,568 (26.1) | 13,173 (8.1) | 10,567 (6.5) | 23,922 (14.7) | 6580 (4.0) | 163,250 (100) |
No. citations (% of world) | 430,298 (40.0) | 37,122 (3.4) | 30,859 (2.8) | 359,000 (33.0) | 52,174 (4.8) | 33,453 (3.0) | 87,608 (8.0) | 57,255 (5.3) | 1,087,769 (100) |
Uncited articles (% of articles in region) | 13,847 (24.4) | 3069 (27.8) | 1179 (22.5) | 9067 (21.3) | 5016 (38.1) | 4118 (39.0) | 10,366 (43.3) | 975 (14.8) | 47,637 (29.2) |
Self-citations (% of citations in region)† | 36,270 (8.4) | 2646 (7.1) | 1500 (4.9) | 28,650 (8.0) | 3653 (7.0) | 2331 (7.0) | 10,625 (12.1) | 2774 (4.8) | 88,449 (8.1) |
Citations/article, median (range) | 8.69 (0.85-12.00) | 3.86 (0.37-5.52) | 7.26 (0.63-9.83) | 9.72 (0.79-13.77) | 7.26 (0.39-9.20) | 4.33 (0.46-7.33) | 5.01 (0.54-6.91) | 9.90 (1.22-14.29) | 7.26 (0.37-14.29) |
Average % articles with international collaboration | 31.2 | 20.4 | 52.9 | 23.0 | 32.2 | 18.7 | 24.3 | 39.0 | 30.2 |