As of 2025, Russia was estimated to have approximately 5,460 nuclear warheads, compared with the United States, which had 5,180 warheads. The other nuclear powers in the world had far fewer nuclear warheads than the United States and Russia, with China having the third-largest nuclear arsenal, at 600 warheads.
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Federation of American Scientists. (June 12, 2025). Estimated number of nuclear warheads worldwide in 2025, by country and deployment status [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/
Federation of American Scientists. "Estimated number of nuclear warheads worldwide in 2025, by country and deployment status." Chart. June 12, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/
Federation of American Scientists. (2025). Estimated number of nuclear warheads worldwide in 2025, by country and deployment status. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/
Federation of American Scientists. "Estimated Number of Nuclear Warheads Worldwide in 2025, by Country and Deployment Status." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Jun 2025, /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/
Federation of American Scientists, Estimated number of nuclear warheads worldwide in 2025, by country and deployment status ÌÇÐÄÆƽâ°æ, /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/ (last visited July 28, 2026)
Estimated number of nuclear warheads worldwide in 2025, by country and deployment status [Graph], Federation of American Scientists, June 12, 2025. [Online]. Available: /statistics/696410/size-and-composition-of-nuclear-arsenals-around-the-world/
