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    Global Average Nuclear Energy Share

    Last updated: February 17, 2026

    9.2%

    %

    Nuclear energy provides approximately 9.2% of global electricity from 440 reactors in 32 countries. France leads at 65%, followed by Slovakia (53%) and Ukraine (55%). New builds are concentrated in China, India, and Russia, while some Western nations phase out nuclear.

    Share

    Historical Trend

    Source: IAEA

    Global Average Nuclear Energy Share by Country

    Country Value (%) ↓Source
    France65RTE
    Slovakia53SEPS
    South Korea29KHNP
    Russia20Rosatom
    United States19EIA
    United Kingdom15BEIS
    Canada14NRCan
    Pakistan8PAEC
    Japan7FEPC
    China5CNNC
    India3NPCIL
    Brazil2Eletronuclear
    Germany0UBA

    Why This Average Exists

    Nuclear energy is the largest source of low-carbon electricity globally and is central to debates about climate change, energy security, and baseload power generation.

    Factors That Affect Global Average Nuclear Energy Share

    • Government policy
    • Safety perceptions
    • Construction costs
    • Waste management
    • Energy security needs
    • Alternative energy costs

    Frequently Asked Questions

    Methodology & Data Sources

    The data presented on this page is compiled from publicly available datasets published by international organizations including the World Bank, World Health Organization (WHO), International Labour Organization (ILO), United Nations, NASA, and national statistical agencies.

    Global averages are calculated using population-weighted or arithmetic means depending on the metric. Country-level data reflects the most recent available figures, typically from 2024–2024. Where gaps exist, the latest available data point is used.

    All figures are subject to revision as source organizations update their datasets. For the most authoritative data, we encourage consulting the original sources linked in the table above.

    Further Reading