The source specified the following information: "SIPRI revises its world nuclear forces data each year based on new information and updates to earlier assessments. The data for Jan. 2025 replaces all previously published SIPRI data on world nuclear forces."
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Number of nuclear warheads in Russia 2025, by type
Russia had an inventory of 5,459 nuclear warheads as of 2025. Of them, 1,718 were deployed. Russia, which conducted its first nuclear test in 1949, had the largest nuclear weapon inventory worldwide, followed by the United States.
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SIPRI. (June 13, 2025). Total inventory of nuclear warheads in Russia as of January 2025, by type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1391093/russia-nuclear-warheads/
SIPRI. "Total inventory of nuclear warheads in Russia as of January 2025, by type." Chart. June 13, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1391093/russia-nuclear-warheads/
SIPRI. (2025). Total inventory of nuclear warheads in Russia as of January 2025, by type. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1391093/russia-nuclear-warheads/
SIPRI. "Total Inventory of Nuclear Warheads in Russia as of January 2025, by Type." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Jun 2025, /statistics/1391093/russia-nuclear-warheads/
SIPRI, Total inventory of nuclear warheads in Russia as of January 2025, by type ÌÇÐÄÆƽâ°æ, /statistics/1391093/russia-nuclear-warheads/ (last visited July 20, 2026)
Total inventory of nuclear warheads in Russia as of January 2025, by type [Graph], SIPRI, June 13, 2025. [Online]. Available: /statistics/1391093/russia-nuclear-warheads/
