SIPRI Yearbook 2025: Global Nuclear Arsenal
Estimated total warheads (January 2025): 12,241
- Warheads in military stockpiles for use: 9,614
- Deployed with missiles/aircraft: 3,912
- High operational alert warheads: ~2,100 (mostly USA and Russia)
- The post–Cold War trend of declining arsenals is reversing, with dismantlement slowing and deployments rising.
USA and Russia
- Together possess ~90% of global nuclear weapons.
- Stockpiles remained stable in 2024, but both are:
- Undertaking extensive modernization.
- Likely to increase deployed warheads after New START expires in Feb 2026.
China: Fastest Growing Nuclear Arsenal
- Estimated warheads (2025): 600+
- Adding ~100 warheads per year since 2023.
- Built or nearing completion of 350 ICBM silos.
- Projected warheads by 2035: 1,500 (still one-third of US/Russian stockpiles).
United ....
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