Nuclear Power Generation by Country ⚡

What We're Showing

This chart ranks the world’s largest nuclear power–producing countries in 2024, measured in terawatt-hours (TWh) of electricity generated, along with their share of global nuclear electricity generation.

The data comes from the Energy Institute’s 2025 Statistical Review of World Energy.

Key Takeaways

• The U.S. remains the nuclear powerhouse, generating 823 TWh in 2024—accounting for 29.2% of global nuclear electricity generation.
• China ranks second at 451 TWh (16%), followed closely by France at 381 TWh (13.5%).
• Russia, South Korea, and Canada round out the top six, collectively making up nearly 17% of world nuclear generation.
• The UAE saw the fastest growth among major producers, up 17.6% year-over-year as new reactors ramped up.