Table 1. Summary statistics of 14 leading countries in nuclear fusion research.
All values are real numbers as we count the number of papers by the fractional counting method. Ratio is the proportion of collaborative papers to total papers.
| Country | Collaborative Papers | Total Papers | Ratio |
|---|---|---|---|
| United States | 978.4 | 7646.4 | 0.13 |
| Japan | 411.7 | 3025.7 | 0.14 |
| China | 335.7 | 2777.7 | 0.12 |
| Germany | 738.1 | 2147.1 | 0.34 |
| United Kingdom | 522.5 | 1775.5 | 0.29 |
| Russia | 299.5 | 1392.5 | 0.22 |
| France | 403.6 | 1135.6 | 0.36 |
| Italy | 325.1 | 964.1 | 0.34 |
| Republic of Korea | 115.8 | 424.8 | 0.27 |
| Switzerland | 153.5 | 409.5 | 0.37 |
| India | 49.8 | 400.8 | 0.12 |
| Sweden | 135.0 | 326.0 | 0.41 |
| Canada | 73.6 | 292.6 | 0.25 |
| Netherlands | 102.4 | 276.4 | 0.37 |