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Nuclear explained  

U.S. nuclear statistics

Data as of the end of 2020 except where noted.

World nuclear statistics

Data for 2019.

Total world nuclear electricity generation 2,657 billion kWh
Nuclear percentage share of total world electricty generation 10.3%
Number of countries with nuclear power reactors 31
Top five nuclear electricity generating countries Total annual nuclear electricity generation in billion kilowatthours (BkWh) Nuclear share of total national annual electricity generation
United States 809 BkWh 19.4%
France 382 BkWh 70.2%
China 330 BkWh 4.6%
Russia 196 BkWh 18%.4
South Korea 139 BkWh 24.8%
  Share of total world nuclear electricity generation
United States 30.5%
France 14.4%
China 12.4%
Russia 7.4%
South Korea 5.2%

Last updated: December 22, 2021