As of 2026, there were estimated to be approximately 4,215 nuclear warheads belonging to three NATO allies, the United States, France, and the United Kingdom. The majority of these belonged to the United States, which had 3,700 nuclear warheads.
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Federation of American Scientists. (March 23, 2026). Estimated number of nuclear warheads belonging to NATO allies from 1946 to 2026 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1294371/nato-nuclear-warhead-inventory/
Federation of American Scientists. "Estimated number of nuclear warheads belonging to NATO allies from 1946 to 2026." Chart. March 23, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1294371/nato-nuclear-warhead-inventory/
Federation of American Scientists. (2026). Estimated number of nuclear warheads belonging to NATO allies from 1946 to 2026. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1294371/nato-nuclear-warhead-inventory/
Federation of American Scientists. "Estimated Number of Nuclear Warheads Belonging to Nato Allies from 1946 to 2026." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Mar 2026, /statistics/1294371/nato-nuclear-warhead-inventory/
Federation of American Scientists, Estimated number of nuclear warheads belonging to NATO allies from 1946 to 2026 ÌÇÐÄÆƽâ°æ, /statistics/1294371/nato-nuclear-warhead-inventory/ (last visited July 20, 2026)
Estimated number of nuclear warheads belonging to NATO allies from 1946 to 2026 [Graph], Federation of American Scientists, March 23, 2026. [Online]. Available: /statistics/1294371/nato-nuclear-warhead-inventory/
