Share of electricity generation from nuclear by country
Measured as a percentage of total electricity produced in the country or region.
Countries reporting
36
Highest
68.8%
France
Lowest
0.0%
Germany
Median
17.8%
Years covered
106
1920–2025
Data points
6,536
What the numbers show
Share of electricity generation from nuclear is currently reported for 36 countries. The highest value is 68.8% in France; the lowest is 0.0% in Germany.
The median across all reporting countries is 17.8%, and the mean is 20.8%.
Over the past decade 13 countries rose and 18 fell. The largest increase was in Japan (up 1,982.2%), and the largest decrease in Germany (down 100.0%).
Share of electricity generation from nuclear: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | France | 68.8% | 2025 | down 9.7% | falling |
| 2 | Slovakia | 66.4% | 2025 | up 16.7% | rising |
| 3 | Ukraine | 55.8% | 2022 | up 23.0% | rising |
| 4 | Czechia | 42.3% | 2025 | up 30.0% | rising |
| 5 | Hungary | 40.0% | 2025 | down 23.3% | rising |
| 6 | Finland | 39.9% | 2025 | up 17.7% | flat |
| 7 | Slovenia | 39.3% | 2025 | up 2.9% | flat |
| 8 | Bulgaria | 39.1% | 2025 | up 23.9% | flat |
| 9 | Belarus | 36.6% | 2025 | — | volatile |
| 10 | Belgium | 33.1% | 2025 | down 13.3% | falling |
| 11 | Switzerland | 29.9% | 2025 | down 14.5% | falling |
| 12 | South Korea | 29.6% | 2025 | down 1.7% | falling |
| 13 | Sweden | 27.6% | 2025 | down 20.7% | falling |
| 14 | Armenia | 27.0% | 2025 | down 20.8% | falling |
| 15 | United Arab Emirates | 22.9% | 2024 | — | volatile |
| 16 | Romania | 20.5% | 2025 | up 15.5% | volatile |
| 17 | Spain | 18.8% | 2025 | down 9.0% | falling |
| 18 | Russia | 18.3% | 2025 | up 0.1% | rising |
| 19 | United States | 17.4% | 2025 | down 11.0% | flat |
| 20 | Canada | 13.1% | 2025 | down 14.5% | falling |
| 21 | United Kingdom | 12.4% | 2025 | down 40.0% | volatile |
| 22 | Pakistan | 12.2% | 2025 | up 216.7% | volatile |
| 23 | Japan | 9.1% | 2025 | up 1,982.2% | volatile |
| 24 | Argentina | 7.0% | 2025 | up 45.1% | falling |
| 25 | China | 4.6% | 2025 | up 56.3% | volatile |
| 26 | South Africa | 4.2% | 2025 | down 14.1% | falling |
| 27 | Netherlands | 3.0% | 2025 | down 21.0% | falling |
| 28 | Mexico | 2.8% | 2025 | down 23.7% | rising |
| 29 | India | 2.6% | 2025 | down 11.5% | rising |
| 30 | Brazil | 2.1% | 2025 | down 16.6% | volatile |
| 31 | Iran | 1.9% | 2025 | up 48.7% | volatile |
| 32 | Taiwan | 1.1% | 2025 | down 92.0% | volatile |
| 33 | Lithuania | 0.0% | 2025 | — | volatile |
| 33 | Kazakhstan | 0.0% | 2025 | — | volatile |
| 33 | Italy | 0.0% | 2025 | — | volatile |
| 33 | Germany | 0.0% | 2025 | down 100.0% | falling |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
About this data
Measured as a percentage of total electricity produced in the country or region.