Annual percentage change in primary energy from nuclear by country
Percentage change in total energy supply relative to the previous year.
Countries reporting
35
Highest
30.9%
South Africa
Lowest
-100.0%
Germany
Median
0.1%
Years covered
60
1966–2025
Data points
1,653
What the numbers show
Annual percentage change in primary energy from nuclear is currently reported for 35 countries. The highest value is 30.9% in South Africa; the lowest is -100.0% in Germany.
The median across all reporting countries is 0.1%, and the mean is -13.9%.
Over the past decade 16 countries rose and 15 fell. The largest increase was in United States (up 24,795.8%), and the largest decrease in Germany (down 60,422.5%).
Annual percentage change in primary energy from nuclear: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | South Africa | 30.9% | 2025 | up 373.9% | volatile |
| 2 | Netherlands | 12.4% | 2025 | up 3,930.2% | volatile |
| 3 | Japan | 10.8% | 2025 | up 110.8% | volatile |
| 4 | Belarus | 8.3% | 2025 | — | volatile |
| 5 | Czechia | 8.0% | 2025 | up 169.5% | volatile |
| 6 | China | 7.6% | 2025 | down 73.4% | volatile |
| 7 | Slovakia | 5.8% | 2025 | up 355.7% | volatile |
| 8 | Pakistan | 3.7% | 2025 | up 147.4% | volatile |
| 9 | Argentina | 3.0% | 2025 | down 89.2% | volatile |
| 10 | France | 2.5% | 2025 | up 1,060.7% | volatile |
| 11 | Ukraine | 2.1% | 2025 | up 340.8% | volatile |
| 12 | Russia | 1.3% | 2025 | down 83.4% | volatile |
| 13 | Romania | 0.9% | 2025 | up 400.6% | volatile |
| 14 | Finland | 0.6% | 2025 | up 144.1% | volatile |
| 15 | Hungary | 0.5% | 2025 | down 57.5% | volatile |
| 16 | United States | 0.4% | 2025 | up 24,795.8% | volatile |
| 17 | Brazil | 0.2% | 2025 | up 104.6% | volatile |
| 18 | United Arab Emirates | 0.1% | 2025 | — | volatile |
| 19 | Slovenia | -0.0% | 2025 | up 99.9% | volatile |
| 20 | Canada | -0.2% | 2025 | up 96.1% | volatile |
| 21 | Spain | -0.5% | 2025 | — | volatile |
| 22 | India | -1.6% | 2025 | down 115.6% | volatile |
| 23 | South Korea | -2.2% | 2025 | down 140.3% | volatile |
| 24 | Bulgaria | -2.8% | 2025 | up 8.0% | volatile |
| 25 | Sweden | -7.9% | 2025 | up 39.6% | volatile |
| 26 | United Kingdom | -11.7% | 2025 | down 212.8% | volatile |
| 27 | Mexico | -17.9% | 2025 | down 190.9% | volatile |
| 28 | Switzerland | -20.0% | 2025 | down 23.6% | volatile |
| 29 | Iran | -23.4% | 2025 | down 66.1% | volatile |
| 30 | Belgium | -24.1% | 2025 | down 6.9% | volatile |
| 31 | Taiwan | -73.4% | 2025 | down 425.9% | volatile |
| 32 | Lithuania | -100.0% | 2010 | down 583.4% | volatile |
| 32 | Kazakhstan | -100.0% | 1999 | unchanged | volatile |
| 32 | Italy | -100.0% | 1988 | down 424.5% | volatile |
| 32 | Germany | -100.0% | 2024 | down 60,422.5% | volatile |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
About this data
Percentage change in total energy supply relative to the previous year.