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

The U.S., France, China, Russia, and South Korea dominate global nuclear power.

According to IAEA data as of June 2025, five countries—United States, France, China, Russia, and South Korea—account for over two-thirds of the world's nuclear electricity generation capacity. A total of 416 nuclear reactors are operational across 31 countries, with a combined capacity of 376 gigawatts (GW).

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Sectors: nuclear, power

Regions: US, EU, China, MENA