Nuclear Power Around the World: Generation by Country
Nuclear generated 2,805 TWh worldwide in 2025, 8.8% of all electricity. The largest producers are the United States, China and France. Figures are Ember annual statistics.
Key Facts
- Nuclear generated 2,805 TWh of electricity worldwide in 2025, 8.8% of the total.
- The United States was the largest nuclear power producer, with 785 TWh in 2025.
- China was the second largest nuclear power producer, with 485 TWh in 2025.
- France was the third largest nuclear power producer, with 392 TWh in 2025.
- Nuclear was the largest source of electricity in 9 countries in their latest Ember year.
- Nuclear's share of world electricity peaked at 16.9% in 2001.
- France got the highest share of its electricity from nuclear among countries producing at least 1 TWh, 68.3% in 2025.
Where Nuclear Is Used
Each country's own latest Ember year| Country | Year | Share |
|---|---|---|
| France | 2025 | 68.3% |
| Slovakia | 2025 | 66.4% |
| Ukraine | 2022 | 55.8% |
| Czechia | 2025 | 42.3% |
| Hungary | 2025 | 40.1% |
| Finland | 2025 | 39.8% |
| Slovenia | 2025 | 39.3% |
| Bulgaria | 2025 | 39.0% |
| Belarus | 2025 | 37.4% |
| Belgium | 2025 | 33.5% |
| Armenia | 2025 | 31.3% |
| Switzerland | 2025 | 29.9% |
| South Korea | 2025 | 29.4% |
| Sweden | 2025 | 27.4% |
| United Arab Emirates | 2025 | 21.2% |
| Romania | 2025 | 20.5% |
| Spain | 2025 | 18.8% |
| Russia | 2025 | 18.3% |
| United States | 2025 | 17.4% |
| Pakistan | 2025 | 14.0% |
| Canada | 2025 | 12.9% |
| United Kingdom | 2025 | 12.4% |
| Japan | 2025 | 9.2% |
| Argentina | 2025 | 7.0% |
| China | 2025 | 4.6% |
| South Africa | 2025 | 4.2% |
| Netherlands | 2025 | 3.0% |
| India | 2025 | 2.6% |
| Mexico | 2025 | 2.6% |
| Brazil | 2025 | 2.1% |
| Iran | 2025 | 1.4% |
| Taiwan | 2025 | 1.1% |
| Afghanistan | 2024 | 0.0% |
| Albania | 2025 | 0.0% |
| Algeria | 2024 | 0.0% |
| American Samoa | 2024 | 0.0% |
| Angola | 2024 | 0.0% |
| Antigua and Barbuda | 2024 | 0.0% |
| Aruba | 2024 | 0.0% |
| Australia | 2025 | 0.0% |
| Austria | 2025 | 0.0% |
| Azerbaijan | 2025 | 0.0% |
| Bahamas | 2024 | 0.0% |
| Bahrain | 2024 | 0.0% |
| Bangladesh | 2025 | 0.0% |
| Barbados | 2024 | 0.0% |
| Belize | 2024 | 0.0% |
| Benin | 2024 | 0.0% |
| Bermuda | 2024 | 0.0% |
| Bhutan | 2024 | 0.0% |
| Bolivia | 2025 | 0.0% |
| Bosnia and Herzegovina | 2025 | 0.0% |
| Botswana | 2024 | 0.0% |
| British Virgin Islands | 2023 | 0.0% |
| Brunei | 2024 | 0.0% |
| Burkina Faso | 2024 | 0.0% |
| Burundi | 2024 | 0.0% |
| Cabo Verde | 2024 | 0.0% |
| Cameroon | 2024 | 0.0% |
| Cayman Islands | 2024 | 0.0% |
| Central African Republic | 2023 | 0.0% |
| Chad | 2024 | 0.0% |
| Chile | 2025 | 0.0% |
| Colombia | 2025 | 0.0% |
| Comoros | 2023 | 0.0% |
| Cook Islands | 2024 | 0.0% |
| Costa Rica | 2025 | 0.0% |
| Cote d'Ivoire | 2024 | 0.0% |
| Croatia | 2025 | 0.0% |
| Cuba | 2024 | 0.0% |
| Cyprus | 2025 | 0.0% |
| Democratic Republic of the Congo | 2024 | 0.0% |
| Denmark | 2025 | 0.0% |
| Djibouti | 2024 | 0.0% |
| Dominica | 2023 | 0.0% |
| Dominican Republic | 2025 | 0.0% |
| Ecuador | 2025 | 0.0% |
| Equatorial Guinea | 2024 | 0.0% |
| Eritrea | 2024 | 0.0% |
| Estonia | 2025 | 0.0% |
| Eswatini | 2024 | 0.0% |
| Ethiopia | 2025 | 0.0% |
| Falkland Islands | 2023 | 0.0% |
| Faroe Islands | 2023 | 0.0% |
| Fiji | 2024 | 0.0% |
| French Polynesia | 2024 | 0.0% |
| Gabon | 2024 | 0.0% |
| Gambia | 2024 | 0.0% |
| Georgia | 2025 | 0.0% |
| Germany | 2025 | 0.0% |
| Ghana | 2024 | 0.0% |
| Gibraltar | 2024 | 0.0% |
| Greece | 2025 | 0.0% |
| Greenland | 2024 | 0.0% |
| Grenada | 2024 | 0.0% |
| Guam | 2024 | 0.0% |
| Guatemala | 2024 | 0.0% |
| Guinea | 2024 | 0.0% |
| Guinea-Bissau | 2024 | 0.0% |
| Guyana | 2024 | 0.0% |
| Haiti | 2024 | 0.0% |
| Honduras | 2024 | 0.0% |
| Hong Kong | 2024 | 0.0% |
| Iceland | 2025 | 0.0% |
| Iraq | 2024 | 0.0% |
| Ireland | 2025 | 0.0% |
| Israel | 2025 | 0.0% |
| Italy | 2025 | 0.0% |
| Jamaica | 2024 | 0.0% |
| Jordan | 2024 | 0.0% |
| Kenya | 2025 | 0.0% |
| Kiribati | 2024 | 0.0% |
| Kosovo | 2025 | 0.0% |
| Kuwait | 2025 | 0.0% |
| Kyrgyzstan | 2025 | 0.0% |
| Laos | 2024 | 0.0% |
| Latvia | 2025 | 0.0% |
| Lebanon | 2024 | 0.0% |
| Liberia | 2024 | 0.0% |
| Libya | 2024 | 0.0% |
| Lithuania | 2025 | 0.0% |
| Luxembourg | 2025 | 0.0% |
| Macao | 2024 | 0.0% |
| Madagascar | 2024 | 0.0% |
| Malawi | 2024 | 0.0% |
| Maldives | 2024 | 0.0% |
| Mali | 2024 | 0.0% |
| Malta | 2025 | 0.0% |
| Mauritania | 2024 | 0.0% |
| Mauritius | 2024 | 0.0% |
| Moldova | 2025 | 0.0% |
| Mongolia | 2025 | 0.0% |
| Montenegro | 2025 | 0.0% |
| Montserrat | 2024 | 0.0% |
| Morocco | 2025 | 0.0% |
| Mozambique | 2024 | 0.0% |
| Myanmar | 2024 | 0.0% |
| Namibia | 2024 | 0.0% |
| Nauru | 2024 | 0.0% |
| Nepal | 2024 | 0.0% |
| New Caledonia | 2024 | 0.0% |
| New Zealand | 2025 | 0.0% |
| Nicaragua | 2024 | 0.0% |
| Niger | 2024 | 0.0% |
| Nigeria | 2025 | 0.0% |
| North Korea | 2024 | 0.0% |
| North Macedonia | 2025 | 0.0% |
| Norway | 2025 | 0.0% |
| Oman | 2025 | 0.0% |
| Palestine | 2024 | 0.0% |
| Panama | 2024 | 0.0% |
| Papua New Guinea | 2024 | 0.0% |
| Paraguay | 2025 | 0.0% |
| Peru | 2025 | 0.0% |
| Philippines | 2025 | 0.0% |
| Poland | 2025 | 0.0% |
| Portugal | 2025 | 0.0% |
| Puerto Rico | 2025 | 0.0% |
| Qatar | 2025 | 0.0% |
| Republic of the Congo | 2024 | 0.0% |
| Rwanda | 2024 | 0.0% |
| Saint Helena, Ascension and Tristan da Cunha | 2023 | 0.0% |
| Saint Kitts and Nevis | 2024 | 0.0% |
| Saint Lucia | 2024 | 0.0% |
| Saint Pierre and Miquelon | 2023 | 0.0% |
| Saint Vincent and the Grenadines | 2024 | 0.0% |
| Samoa | 2024 | 0.0% |
| Sao Tome and Principe | 2023 | 0.0% |
| Senegal | 2024 | 0.0% |
| Serbia | 2025 | 0.0% |
| Seychelles | 2024 | 0.0% |
| Sierra Leone | 2024 | 0.0% |
| Solomon Islands | 2024 | 0.0% |
| Somalia | 2024 | 0.0% |
| South Sudan | 2024 | 0.0% |
| Sudan | 2024 | 0.0% |
| Suriname | 2024 | 0.0% |
| Syria | 2024 | 0.0% |
| Tajikistan | 2025 | 0.0% |
| Tanzania | 2024 | 0.0% |
| Timor-Leste | 2024 | 0.0% |
| Togo | 2024 | 0.0% |
| Tonga | 2024 | 0.0% |
| Trinidad and Tobago | 2024 | 0.0% |
| Tunisia | 2025 | 0.0% |
| Turkey | 2025 | 0.0% |
| Turkmenistan | 2024 | 0.0% |
| Turks and Caicos Islands | 2024 | 0.0% |
| Uganda | 2024 | 0.0% |
| Uruguay | 2025 | 0.0% |
| US Virgin Islands | 2023 | 0.0% |
| Uzbekistan | 2025 | 0.0% |
| Vanuatu | 2023 | 0.0% |
| Venezuela | 2024 | 0.0% |
| Vietnam | 2025 | 0.0% |
| Western Sahara | 2009 | 0.0% |
| Yemen | 2024 | 0.0% |
| Zambia | 2024 | 0.0% |
| Zimbabwe | 2024 | 0.0% |
Sources: Source: Ember (ember-energy.org), licensed under CC BY 4.0. Map outlines: Natural Earth. (Public domain) Data as of 2025. Each country uses its own latest available year.
World Nuclear Generation
2000 to 2025, TWhAnnual statistics through 2025, TWh
| Year | Nuclear |
|---|---|
| 2000 | 2,540 TWh |
| 2001 | 2,613 TWh |
| 2002 | 2,655 TWh |
| 2003 | 2,601 TWh |
| 2004 | 2,719 TWh |
| 2005 | 2,727 TWh |
| 2006 | 2,762 TWh |
| 2007 | 2,703 TWh |
| 2008 | 2,695 TWh |
| 2009 | 2,657 TWh |
| 2010 | 2,726 TWh |
| 2011 | 2,610 TWh |
| 2012 | 2,432 TWh |
| 2013 | 2,449 TWh |
| 2014 | 2,499 TWh |
| 2015 | 2,533 TWh |
| 2016 | 2,571 TWh |
| 2017 | 2,594 TWh |
| 2018 | 2,659 TWh |
| 2019 | 2,754 TWh |
| 2020 | 2,649 TWh |
| 2021 | 2,761 TWh |
| 2022 | 2,640 TWh |
| 2023 | 2,698 TWh |
| 2024 | 2,777 TWh |
| 2025 | 2,805 TWh |
| Year | World generation | Share of world electricity |
|---|---|---|
| 2025 | 2,805 TWh | 8.8% |
| 2024 | 2,777 TWh | 9.0% |
| 2023 | 2,698 TWh | 9.1% |
| 2022 | 2,640 TWh | 9.1% |
| 2021 | 2,761 TWh | 9.8% |
| 2020 | 2,649 TWh | 9.9% |
| 2019 | 2,754 TWh | 10.3% |
| 2018 | 2,659 TWh | 10.1% |
| 2017 | 2,594 TWh | 10.2% |
| 2016 | 2,571 TWh | 10.4% |
Largest Nuclear Power Producers
Each country's latest Ember year| Country | Year | Generation | Share of the country's electricity |
|---|---|---|---|
| United States | 2025 | 785 TWh | 17.4% |
| China | 2025 | 485 TWh | 4.6% |
| France | 2025 | 392 TWh | 68.3% |
| Russia | 2025 | 219 TWh | 18.3% |
| South Korea | 2025 | 185 TWh | 29.4% |
| Japan | 2025 | 94.1 TWh | 9.2% |
| Canada | 2025 | 84.8 TWh | 12.9% |
| Ukraine | 2022 | 62.2 TWh | 55.8% |
| Spain | 2025 | 54.1 TWh | 18.8% |
| India | 2025 | 53.8 TWh | 2.6% |
| Sweden | 2025 | 46.7 TWh | 27.4% |
| United Arab Emirates | 2025 | 39.1 TWh | 21.2% |
| United Kingdom | 2025 | 36.4 TWh | 12.4% |
| Finland | 2025 | 32.8 TWh | 39.8% |
| Czechia | 2025 | 32.0 TWh | 42.3% |
| Belgium | 2025 | 24.2 TWh | 33.5% |
| Pakistan | 2025 | 24.0 TWh | 14.0% |
| Switzerland | 2025 | 19.4 TWh | 29.9% |
| Slovakia | 2025 | 19.3 TWh | 66.4% |
| Belarus | 2025 | 17.0 TWh | 37.4% |
| Hungary | 2025 | 16.1 TWh | 40.1% |
| Brazil | 2025 | 15.8 TWh | 2.1% |
| Bulgaria | 2025 | 14.9 TWh | 39.0% |
| Argentina | 2025 | 10.8 TWh | 7.0% |
| South Africa | 2025 | 10.2 TWh | 4.2% |
| Romania | 2025 | 10.2 TWh | 20.5% |
| Mexico | 2025 | 10.1 TWh | 2.6% |
| Slovenia | 2025 | 5.84 TWh | 39.3% |
| Iran | 2025 | 5.39 TWh | 1.4% |
| Netherlands | 2025 | 3.98 TWh | 3.0% |
Highest Share of Nuclear
Countries generating at least 1 TWh from nuclear| Country | Year | Share | Generation |
|---|---|---|---|
| France | 2025 | 68.3% | 392 TWh |
| Slovakia | 2025 | 66.4% | 19.3 TWh |
| Ukraine | 2022 | 55.8% | 62.2 TWh |
| Czechia | 2025 | 42.3% | 32.0 TWh |
| Hungary | 2025 | 40.1% | 16.1 TWh |
| Finland | 2025 | 39.8% | 32.8 TWh |
| Slovenia | 2025 | 39.3% | 5.84 TWh |
| Bulgaria | 2025 | 39.0% | 14.9 TWh |
| Belarus | 2025 | 37.4% | 17.0 TWh |
| Belgium | 2025 | 33.5% | 24.2 TWh |
| Armenia | 2025 | 31.3% | 2.66 TWh |
| Switzerland | 2025 | 29.9% | 19.4 TWh |
| South Korea | 2025 | 29.4% | 185 TWh |
| Sweden | 2025 | 27.4% | 46.7 TWh |
| United Arab Emirates | 2025 | 21.2% | 39.1 TWh |
| Romania | 2025 | 20.5% | 10.2 TWh |
| Spain | 2025 | 18.8% | 54.1 TWh |
| Russia | 2025 | 18.3% | 219 TWh |
| United States | 2025 | 17.4% | 785 TWh |
| Pakistan | 2025 | 14.0% | 24.0 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. Country rows use each country's latest available year, which can differ between countries.
Download the Data
The figures on this page come from Ember's annual dataset, which covers every fuel including nuclear, for 215 countries, 1985 to 2025. Free CSV and JSON downloads:
The long CSV has one row per country, year, metric and fuel: filter its fuel column to nuclear for nuclear alone. Full dataset page.
Related
Cite this page
APA 7
World Power Monitor. (2025). Nuclear Power Around the World: Generation by Country. https://worldpowermonitor.com/fuels/nuclear/
Plain text
World Power Monitor. Nuclear Power Around the World: Generation by Country. Data as of 2025. Data from Ember and Natural Earth. https://worldpowermonitor.com/fuels/nuclear/
BibTeX
@misc{wpm_fuels_nuclear_2025,
title = {{Nuclear Power Around the World: Generation by Country}},
author = {{World Power Monitor}},
year = {2025},
note = {Data as of 2025. Data from Ember and Natural Earth.},
url = {https://worldpowermonitor.com/fuels/nuclear/}
} Permalink: https://worldpowermonitor.com/fuels/nuclear/
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