| Country | As of August 2022 | 2021 | ||
|---|---|---|---|---|
| Number of Nuclear Units | Nuclear Capacity (MW) | Nuclear Generation (GWh) | Nuclear Fuel Share (%) | |
| Argentina | 3 | 1,641 | 10,170 | 7.2 |
| Armenia | 1 | 448 | 1,850 | 25.3 |
| Belarus | 1 | 1,110 | 5,422 | 14.1 |
| Belgium | 7 | 5,942 | 47,962 | 50.8 |
| Brazil | 2 | 1,884 | 13,858 | 2.4 |
| Bulgaria | 2 | 2,006 | 15,799 | 34.6 |
| Canada | 19 | 13,624 | 86,780 | 14.3 |
| China | 55 | 52,170 | 383,205 | 5.0 |
| Czech Republic | 6 | 3,934 | 29,044 | 36.6 |
| Finland | 5 | 4,394 | 22,646 | 32.8 |
| France | 56 | 61,370 | 363,394 | 69.0 |
| Germany | 3 | 4,055 | 65,444 | 11.9 |
| Hungary | 4 | 1,916 | 15,121 | 46.8 |
| India | 22 | 6,795 | 39,758 | 3.2 |
| Iran | 1 | 915 | 3,236 | 0.1 |
| Japan | 33 | 31,679 | 61,304 | 7.2 |
| Mexico | 2 | 1,552 | 11,606 | 5.3 |
| Netherlands | 1 | 482 | 3,614 | 3.1 |
| Pakistan | 6 | 3,256 | 15,832 | 10.6 |
| Romania | 2 | 1,300 | 10,401 | 18.5 |
| Russia | 37 | 27,727 | 208,443 | 20.0 |
| Slovakia | 4 | 1,868 | 14,646 | 52.3 |
| Slovenia | 1 | 688 | 5,419 | 36.9 |
| South Africa | 2 | 1,854 | 12,199 | 6.0 |
| South Korea | 25 | 24,431 | 150,456 | 28.0 |
| Spain | 7 | 7,123 | 54,218 | 20.8 |
| Sweden | 6 | 6,885 | 51,426 | 30.8 |
| Switzerland | 4 | 2,973 | 18,593 | 28.8 |
| Taiwan, China | 3 | 2,859 | 26,818 | 10.8 |
| Ukraine | 15 | 13,107 | 81,126 | 55.0 |
| United Arab Emirates | 2 | 2,762 | 10,126 | 1.3 |
| United Kindom | 9 | 5,883 | 41,789 | 14.8 |
| United States* | 92 | 94,718 | 771,638 | 19.6 |
| Total | 438 | 393,351 | 2,653,344 | |