Primary energy from nuclear by country

Measured in terawatt-hours of total energy supply.

Countries reporting
213
Highest
2,503 terawatt-hours
United States
Lowest
0 terawatt-hours
Antarctica
Median
0 terawatt-hours
Years covered
61
1965–2025
Data points
10,754

What the numbers show

Primary energy from nuclear is currently reported for 213 countries. The highest value is 2,503 terawatt-hours in United States; the lowest is 0 terawatt-hours in Antarctica.

The median across all reporting countries is 0 terawatt-hours, and the mean is 40.44 terawatt-hours.

Over the past decade 14 countries rose and 16 fell. The largest increase was in Japan (up 1,979.0%), and the largest decrease in Germany (down 100.0%).

Primary energy from nuclear: full country ranking

#Country LatestYear 10-year changeTrend
1 United States 2,503 terawatt-hours 2025 down 1.6% volatile
2 China 1,470 terawatt-hours 2025 up 183.1% volatile
3 France 1,182 terawatt-hours 2025 down 10.8% volatile
4 Russia 662.5 terawatt-hours 2025 up 11.8% rising
5 South Korea 559.67 terawatt-hours 2025 up 12.1% volatile
6 Japan 285.05 terawatt-hours 2025 up 1,979.0% volatile
7 Canada 257.05 terawatt-hours 2025 down 16.1% volatile
8 Spain 164.3 terawatt-hours 2025 down 5.4% volatile
9 Ukraine 163.94 terawatt-hours 2025 down 38.3% rising
10 India 163.08 terawatt-hours 2025 up 40.5% volatile
11 Sweden 141.34 terawatt-hours 2025 down 17.2% volatile
12 United Arab Emirates 118.34 terawatt-hours 2025 volatile
13 United Kingdom 108.64 terawatt-hours 2025 down 49.0% rising
14 Finland 99.4 terawatt-hours 2025 up 41.1% volatile
15 Czechia 97.17 terawatt-hours 2025 up 19.5% volatile
16 Belgium 71.89 terawatt-hours 2025 down 9.1% volatile
17 Pakistan 71.63 terawatt-hours 2025 up 449.1% volatile
18 Slovakia 58.47 terawatt-hours 2025 up 27.4% volatile
19 Switzerland 55.69 terawatt-hours 2025 down 21.0% rising
20 Belarus 51.52 terawatt-hours 2025 volatile
21 Hungary 48.78 terawatt-hours 2025 up 1.7% volatile
22 Brazil 47.87 terawatt-hours 2025 up 7.2% volatile
23 Bulgaria 46.47 terawatt-hours 2025 down 0.3% volatile
24 Romania 33.37 terawatt-hours 2025 down 5.4% volatile
25 Argentina 32.61 terawatt-hours 2025 up 52.9% volatile
26 South Africa 32.52 terawatt-hours 2025 down 12.3% volatile
27 Mexico 30.62 terawatt-hours 2025 down 16.3% volatile
28 Slovenia 17.68 terawatt-hours 2025 up 3.3% rising
29 Iran 16.33 terawatt-hours 2025 up 54.2% volatile
30 Netherlands 12.17 terawatt-hours 2025 down 1.5% rising
31 Taiwan 9.81 terawatt-hours 2025 down 91.1% volatile
32 Aruba 0 terawatt-hours 2024 flat
32 Afghanistan 0 terawatt-hours 2024 flat
32 Angola 0 terawatt-hours 2025 flat
32 Albania 0 terawatt-hours 2024 flat
32 American Samoa 0 terawatt-hours 2024 flat
32 Antigua and Barbuda 0 terawatt-hours 2024 flat
32 Australia 0 terawatt-hours 2025 flat
32 Austria 0 terawatt-hours 2025 flat
32 Azerbaijan 0 terawatt-hours 2025 flat
32 Burundi 0 terawatt-hours 2024 flat
32 Benin 0 terawatt-hours 2024 flat
32 Burkina Faso 0 terawatt-hours 2024 flat
32 Bangladesh 0 terawatt-hours 2025 flat
32 Bahrain 0 terawatt-hours 2025 flat
32 Bahamas 0 terawatt-hours 2024 flat
32 Bosnia and Herzegovina 0 terawatt-hours 2024 flat
32 Belize 0 terawatt-hours 2024 flat
32 Bermuda 0 terawatt-hours 2024 flat
32 Bolivia 0 terawatt-hours 2025 flat
32 Barbados 0 terawatt-hours 2024 flat
32 Brunei 0 terawatt-hours 2025 flat
32 Bhutan 0 terawatt-hours 2024 flat
32 Botswana 0 terawatt-hours 2024 flat
32 Central African Republic 0 terawatt-hours 2024 flat
32 Chile 0 terawatt-hours 2025 flat
32 Cote d'Ivoire 0 terawatt-hours 2024 flat
32 Cameroon 0 terawatt-hours 2024 flat
32 Democratic Republic of Congo 0 terawatt-hours 2025 flat
32 Congo 0 terawatt-hours 2025 flat
32 Colombia 0 terawatt-hours 2025 flat
32 Comoros 0 terawatt-hours 2024 flat
32 Cape Verde 0 terawatt-hours 2024 flat
32 Costa Rica 0 terawatt-hours 2024 flat
32 Cuba 0 terawatt-hours 2025 flat
32 Curacao 0 terawatt-hours 2025 flat
32 Cayman Islands 0 terawatt-hours 2024 flat
32 Cyprus 0 terawatt-hours 2025 flat
32 Germany 0 terawatt-hours 2025 down 100.0% volatile
32 Djibouti 0 terawatt-hours 2024 flat
32 Dominica 0 terawatt-hours 2024 flat
32 Denmark 0 terawatt-hours 2025 flat
32 Dominican Republic 0 terawatt-hours 2024 flat
32 Algeria 0 terawatt-hours 2025 flat
32 Ecuador 0 terawatt-hours 2025 flat
32 Egypt 0 terawatt-hours 2025 flat
32 Eritrea 0 terawatt-hours 2024 flat
32 Estonia 0 terawatt-hours 2025 flat
32 Ethiopia 0 terawatt-hours 2024 flat
32 Fiji 0 terawatt-hours 2024 flat
32 Faroe Islands 0 terawatt-hours 2024 flat
32 Micronesia (country) 0 terawatt-hours 2024 flat
32 Gabon 0 terawatt-hours 2025 flat
32 Georgia 0 terawatt-hours 2024 flat
32 Ghana 0 terawatt-hours 2025 flat
32 Guinea 0 terawatt-hours 2024 flat
32 Gambia 0 terawatt-hours 2024 flat
32 Guinea-Bissau 0 terawatt-hours 2024 flat
32 Equatorial Guinea 0 terawatt-hours 2025 flat
32 Greece 0 terawatt-hours 2025 flat
32 Grenada 0 terawatt-hours 2024 flat
32 Greenland 0 terawatt-hours 2024 flat
32 Guatemala 0 terawatt-hours 2024 flat
32 Guam 0 terawatt-hours 2024 flat
32 Guyana 0 terawatt-hours 2025 flat
32 Hong Kong 0 terawatt-hours 2025 flat
32 Honduras 0 terawatt-hours 2024 flat
32 Croatia 0 terawatt-hours 2025 flat
32 Haiti 0 terawatt-hours 2024 flat
32 Indonesia 0 terawatt-hours 2025 flat
32 Iraq 0 terawatt-hours 2025 flat
32 Iceland 0 terawatt-hours 2025 flat
32 Israel 0 terawatt-hours 2025 flat
32 Italy 0 terawatt-hours 2025 volatile
32 Jamaica 0 terawatt-hours 2024 flat
32 Jordan 0 terawatt-hours 2024 flat
32 Kazakhstan 0 terawatt-hours 2025 volatile
32 Kenya 0 terawatt-hours 2024 flat
32 Kyrgyzstan 0 terawatt-hours 2024 flat
32 Cambodia 0 terawatt-hours 2024 flat
32 Kiribati 0 terawatt-hours 2024 flat
32 Saint Kitts and Nevis 0 terawatt-hours 2024 flat
32 Kuwait 0 terawatt-hours 2025 flat
32 Laos 0 terawatt-hours 2024 flat
32 Lebanon 0 terawatt-hours 2024 flat
32 Liberia 0 terawatt-hours 2024 flat
32 Libya 0 terawatt-hours 2025 flat
32 Saint Lucia 0 terawatt-hours 2024 flat
32 Sri Lanka 0 terawatt-hours 2025 flat
32 Lesotho 0 terawatt-hours 2024 flat
32 Lithuania 0 terawatt-hours 2025 volatile
32 Latvia 0 terawatt-hours 2025 flat
32 Macao 0 terawatt-hours 2024 flat
32 Morocco 0 terawatt-hours 2025 flat
32 Moldova 0 terawatt-hours 2024 flat
32 Madagascar 0 terawatt-hours 2025 flat
32 Maldives 0 terawatt-hours 2024 flat
32 North Macedonia 0 terawatt-hours 2025 flat
32 Mali 0 terawatt-hours 2024 flat
32 Myanmar 0 terawatt-hours 2025 flat
32 Montenegro 0 terawatt-hours 2024 flat
32 Mongolia 0 terawatt-hours 2025 flat
32 Northern Mariana Islands 0 terawatt-hours 2024 flat
32 Mozambique 0 terawatt-hours 2025 flat
32 Mauritania 0 terawatt-hours 2024 flat
32 Mauritius 0 terawatt-hours 2024 flat
32 Malawi 0 terawatt-hours 2024 flat
32 Malaysia 0 terawatt-hours 2025 flat
32 Namibia 0 terawatt-hours 2024 flat
32 New Caledonia 0 terawatt-hours 2025 flat
32 Niger 0 terawatt-hours 2024 flat
32 Nigeria 0 terawatt-hours 2025 flat
32 Nicaragua 0 terawatt-hours 2024 flat
32 Norway 0 terawatt-hours 2025 flat
32 Nepal 0 terawatt-hours 2024 flat
32 Nauru 0 terawatt-hours 2024 flat
32 New Zealand 0 terawatt-hours 2025 flat
32 Oman 0 terawatt-hours 2025 flat
32 Panama 0 terawatt-hours 2024 flat
32 Peru 0 terawatt-hours 2025 flat
32 Philippines 0 terawatt-hours 2025 flat
32 Papua New Guinea 0 terawatt-hours 2025 flat
32 Poland 0 terawatt-hours 2025 flat
32 Puerto Rico 0 terawatt-hours 2024 flat
32 North Korea 0 terawatt-hours 2024 flat
32 Portugal 0 terawatt-hours 2025 flat
32 Paraguay 0 terawatt-hours 2024 flat
32 Palestine 0 terawatt-hours 2024 flat
32 French Polynesia 0 terawatt-hours 2024 flat
32 Qatar 0 terawatt-hours 2025 flat
32 Rwanda 0 terawatt-hours 2024 flat
32 Saudi Arabia 0 terawatt-hours 2025 flat
32 Sudan 0 terawatt-hours 2025 flat
32 Senegal 0 terawatt-hours 2024 flat
32 Singapore 0 terawatt-hours 2025 flat
32 Solomon Islands 0 terawatt-hours 2024 flat
32 Sierra Leone 0 terawatt-hours 2024 flat
32 El Salvador 0 terawatt-hours 2024 flat
32 Somalia 0 terawatt-hours 2024 flat
32 Serbia 0 terawatt-hours 2025 flat
32 South Sudan 0 terawatt-hours 2025 flat
32 Sao Tome and Principe 0 terawatt-hours 2024 flat
32 Suriname 0 terawatt-hours 2024 flat
32 Eswatini 0 terawatt-hours 2024 flat
32 Seychelles 0 terawatt-hours 2024 flat
32 Syria 0 terawatt-hours 2025 flat
32 Turks and Caicos Islands 0 terawatt-hours 2024 flat
32 Chad 0 terawatt-hours 2025 flat
32 Togo 0 terawatt-hours 2024 flat
32 Thailand 0 terawatt-hours 2025 flat
32 Tajikistan 0 terawatt-hours 2024 flat
32 Turkmenistan 0 terawatt-hours 2025 flat
32 East Timor 0 terawatt-hours 2024 flat
32 Tonga 0 terawatt-hours 2024 flat
32 Trinidad and Tobago 0 terawatt-hours 2025 flat
32 Tunisia 0 terawatt-hours 2025 flat
32 Turkey 0 terawatt-hours 2025 flat
32 Tuvalu 0 terawatt-hours 2024 flat
32 Tanzania 0 terawatt-hours 2025 flat
32 Uganda 0 terawatt-hours 2024 flat
32 Uruguay 0 terawatt-hours 2024 flat
32 Uzbekistan 0 terawatt-hours 2025 flat
32 Saint Vincent and the Grenadines 0 terawatt-hours 2024 flat
32 Venezuela 0 terawatt-hours 2025 flat
32 British Virgin Islands 0 terawatt-hours 2024 flat
32 United States Virgin Islands 0 terawatt-hours 2024 flat
32 Vietnam 0 terawatt-hours 2025 flat
32 Vanuatu 0 terawatt-hours 2024 flat
32 Samoa 0 terawatt-hours 2024 flat
32 Yemen 0 terawatt-hours 2025 flat
32 Zambia 0 terawatt-hours 2025 flat
32 Zimbabwe 0 terawatt-hours 2025 flat
32 French Guiana 0 terawatt-hours 2024 flat
32 Reunion 0 terawatt-hours 2024 flat
32 Western Sahara 0 terawatt-hours 2024 flat
32 Cook Islands 0 terawatt-hours 2024 flat
32 Montserrat 0 terawatt-hours 2024 flat
32 Niue 0 terawatt-hours 2024 flat
32 Falkland Islands 0 terawatt-hours 2024 flat
32 Saint Helena 0 terawatt-hours 2024 flat
32 Saint Pierre and Miquelon 0 terawatt-hours 2024 flat
32 Netherlands Antilles 0 terawatt-hours 2024 flat
32 Antarctica 0 terawatt-hours 2024 flat

Regions and income groups

Aggregates are excluded from the country ranking above so that a region can never outrank a country.

About this data

Indicator
Primary energy from nuclear
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
221 places, 10,754 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.