1
United States
- Operating Units
- 94
- Key Characteristic
- World's largest nuclear fleet
Top 10Updated 2026年3月18日
Top 10 Countries by Operating Nuclear Power Plants
This ranking is based on data from the IAEA and global energy agencies as of 2026, counting the number of currently operating nuclear power reactors worldwide. The distribution of nuclear energy reflects national energy independence strategies and the ongoing global transition toward low-carbon power generation.
Top 3
- 1United States
- 2
Interesting Facts & Summary
Key Facts and Trends:
- The Leader: The United States remains at the top due to its massive, established nuclear fleet, although its pace of adding new reactors has stabilized.
- Growth Driver: China is currently the primary driver of global nuclear growth, leading the world in both active construction and commissioning speed.
- European Divergence: France maintains the highest share of electricity from nuclear power, while Germany has completely phased out its nuclear program, marking a drastic shift in energy policy.
Nuclear power remains a critical tool for meeting global climate goals, with its role becoming increasingly prominent in future energy portfolios.
| Rank | Country | Operating Units | Key Characteristic |
|---|---|---|---|
| 1 | United States | 94 | World's largest nuclear fleet |
| 2 | China | 58 | Leading in new reactors under construction |
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