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Nuclear power generation by country

The US, France, China, Russia and Japan: the world's nuclear power leaders since 1985.

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What the data shows

  • In 2024, United States ranks #1 with 782 TWh, ahead of China (451 TWh) and France (380 TWh).
  • United States holds #1 for the whole period, 1985 to 2024.
  • Biggest climber: China, from #12 in 1993 to #2 in 2024.
  • United States grew 1.9× between 1985 and 2024.
  • China wasn't on the board in 1985 but is in the top 5 by 2024.

About this chart

The United States has the largest nuclear fleet in the world. France gets the largest share of its electricity from nuclear of any major country. Watch Japan's bar collapse after the 2011 Fukushima accident, and China's rise as it builds reactors faster than anyone else.

Data from Ember and the Energy Institute Statistical Review of World Energy.

The data

Source: Ember and Energy Institute via Our World in Data (owid/energy-data), electricity from nuclear, terawatt-hours. Retrieved November 3, 2026.

Nuclear power by country, Electricity from nuclear, TWh per year, 1985–2024
Date🇺🇸 United States🇨🇳 China🇫🇷 France🇷🇺 Russia🇰🇷 South Korea🇨🇦 Canada🇯🇵 Japan🇮🇳 India🇪🇸 Spain🇸🇪 Sweden🇬🇧 United Kingdom🇩🇪 Germany
1985404 TWh0 TWh224 TWh99 TWh17 TWh61 TWh160 TWh5 TWh28 TWh59 TWh61 TWh139 TWh
1986436 TWh0 TWh254 TWh105 TWh28 TWh71 TWh165 TWh5 TWh37 TWh70 TWh59 TWh130 TWh
1987479 TWh0 TWh266 TWh125 TWh39 TWh77 TWh189 TWh5 TWh41 TWh67 TWh55 TWh142 TWh
1988555 TWh0 TWh276 TWh135 TWh40 TWh83 TWh174 TWh6 TWh50 TWh69 TWh63 TWh157 TWh
1989557 TWh0 TWh304 TWh136 TWh47 TWh79 TWh186 TWh4 TWh56 TWh66 TWh72 TWh162 TWh
1990607 TWh0 TWh314 TWh118 TWh53 TWh72 TWh195 TWh6 TWh54 TWh68 TWh66 TWh152 TWh
1991645 TWh0 TWh331 TWh120 TWh56 TWh84 TWh209 TWh5 TWh56 TWh77 TWh71 TWh147 TWh
1992651 TWh0 TWh338 TWh120 TWh57 TWh80 TWh217 TWh6 TWh56 TWh64 TWh77 TWh159 TWh
1993642 TWh2 TWh368 TWh119 TWh58 TWh93 TWh248 TWh6 TWh56 TWh61 TWh89 TWh153 TWh
1994674 TWh15 TWh360 TWh98 TWh59 TWh107 TWh258 TWh5 TWh55 TWh73 TWh88 TWh151 TWh
1995709 TWh13 TWh377 TWh100 TWh67 TWh97 TWh287 TWh8 TWh55 TWh70 TWh89 TWh153 TWh
1996710 TWh14 TWh397 TWh109 TWh74 TWh92 TWh297 TWh8 TWh56 TWh74 TWh95 TWh160 TWh
1997662 TWh14 TWh395 TWh108 TWh77 TWh82 TWh321 TWh10 TWh55 TWh70 TWh98 TWh170 TWh
1998709 TWh14 TWh388 TWh104 TWh90 TWh71 TWh326 TWh11 TWh59 TWh74 TWh99 TWh162 TWh
1999767 TWh15 TWh394 TWh122 TWh103 TWh73 TWh317 TWh13 TWh59 TWh73 TWh95 TWh170 TWh
2000754 TWh17 TWh415 TWh131 TWh109 TWh72 TWh319 TWh16 TWh62 TWh57 TWh85 TWh170 TWh
2001769 TWh17 TWh421 TWh137 TWh112 TWh76 TWh321 TWh19 TWh64 TWh72 TWh90 TWh171 TWh
2002780 TWh25 TWh437 TWh142 TWh119 TWh75 TWh314 TWh19 TWh63 TWh68 TWh88 TWh165 TWh
2003764 TWh43 TWh441 TWh150 TWh130 TWh74 TWh230 TWh18 TWh62 TWh67 TWh89 TWh165 TWh
2004789 TWh50 TWh448 TWh145 TWh131 TWh90 TWh286 TWh21 TWh64 TWh77 TWh80 TWh167 TWh
2005782 TWh53 TWh452 TWh149 TWh147 TWh91 TWh293 TWh18 TWh58 TWh72 TWh82 TWh163 TWh
2006787 TWh55 TWh450 TWh156 TWh149 TWh97 TWh304 TWh18 TWh60 TWh67 TWh75 TWh167 TWh
2007806 TWh62 TWh440 TWh160 TWh143 TWh93 TWh279 TWh18 TWh55 TWh67 TWh63 TWh141 TWh
2008806 TWh68 TWh439 TWh163 TWh151 TWh95 TWh252 TWh15 TWh59 TWh64 TWh52 TWh148 TWh
2009799 TWh70 TWh410 TWh164 TWh148 TWh89 TWh275 TWh17 TWh53 TWh52 TWh69 TWh135 TWh
2010807 TWh75 TWh429 TWh170 TWh149 TWh90 TWh292 TWh23 TWh62 TWh58 TWh62 TWh141 TWh
2011790 TWh87 TWh442 TWh173 TWh155 TWh93 TWh163 TWh32 TWh58 TWh60 TWh69 TWh108 TWh
2012769 TWh98 TWh425 TWh178 TWh150 TWh94 TWh18 TWh33 TWh61 TWh64 TWh70 TWh99 TWh
2013789 TWh112 TWh424 TWh173 TWh139 TWh103 TWh15 TWh33 TWh57 TWh66 TWh71 TWh97 TWh
2014797 TWh133 TWh436 TWh181 TWh156 TWh107 TWh0 TWh35 TWh57 TWh65 TWh64 TWh97 TWh
2015797 TWh171 TWh437 TWh195 TWh165 TWh101 TWh5 TWh38 TWh57 TWh56 TWh70 TWh92 TWh
2016806 TWh213 TWh403 TWh197 TWh162 TWh101 TWh18 TWh38 TWh59 TWh63 TWh72 TWh85 TWh
2017805 TWh248 TWh398 TWh203 TWh148 TWh101 TWh29 TWh37 TWh58 TWh66 TWh70 TWh76 TWh
2018807 TWh295 TWh413 TWh205 TWh134 TWh100 TWh49 TWh39 TWh56 TWh69 TWh65 TWh76 TWh
2019809 TWh349 TWh399 TWh209 TWh146 TWh100 TWh66 TWh45 TWh58 TWh66 TWh56 TWh75 TWh
2020790 TWh366 TWh354 TWh216 TWh160 TWh98 TWh43 TWh45 TWh58 TWh49 TWh50 TWh64 TWh
2021780 TWh408 TWh379 TWh222 TWh158 TWh92 TWh61 TWh44 TWh57 TWh53 TWh46 TWh69 TWh
2022772 TWh418 TWh295 TWh224 TWh176 TWh87 TWh52 TWh46 TWh59 TWh52 TWh47 TWh35 TWh
2023775 TWh435 TWh338 TWh217 TWh180 TWh88 TWh77 TWh48 TWh57 TWh48 TWh41 TWh7 TWh
2024782 TWh451 TWh380 TWh216 TWh189 TWh85 TWh85 TWh55 TWh55 TWh51 TWh41 TWh0 TWh

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Suggested caption: “Watch Japan's bar after 2011.” Credit the source in your caption; it heads off the 'source?' comments.

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Frequently asked questions

Which country generates the most nuclear power?

In 2024, United States ranks #1 with 782 TWh, followed by China (451 TWh) and France (380 TWh). Source: Ember and Energy Institute via Our World in Data (owid/energy-data), electricity from nuclear, terawatt-hours.

Where does this data come from?

Ember and Energy Institute via Our World in Data (owid/energy-data), electricity from nuclear, terawatt-hours. Retrieved November 3, 2026. You can download the full table as a CSV from this page.

Can I turn this chart into a video?

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