Five countries account for 71% of the world’s nuclear generation capacity

The dominance of nuclear power in global energy generation.

The United States, France, China, Russia, and South Korea collectively represent over two-thirds of the world's nuclear electricity generation capacity, according to IAEA data from June 2025. Currently, 416 nuclear power reactors are operational across 31 countries, contributing to a total installed net generating capacity of 376 gigawatts (GW).

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Sectors: nuclear, power, utilities

Regions: US, EU, China, MENA