Countries with the Most Nuclear Warheads 2025

About This Dataset

Countries possessing nuclear weapons, ranked by estimated total stockpile size in 2025. Russia and the United States together account for approximately 90% of all nuclear warheads on Earth, each holding over 5,000 warheads in various states of deployment, storage, and dismantlement.

✨ AI Insight

The data reveals a stark disparity in nuclear arsenals, with Russia and the United States collectively possessing approximately 90% of the world's nuclear warheads. The gap between the top two nations and the rest is immense; for instance, China's stockpile of 500 warheads is only about 9% of Russia's total. This significant difference may be attributed to historical arms races and ongoing geopolitical tensions, particularly between the U.S. and Russia. Meanwhile, countries like Pakistan and India possess much smaller arsenals of 170 and 164 warheads respectively, indicating a regional focus rather than global dominance. This trend suggests that while nuclear disarmament efforts continue, the major powers are likely to maintain their vast stockpiles for strategic deterrence.

Source: Wikipedia

Key Findings

Auto-computed highlights from this dataset

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Russia leads with 5,580 in 2025.

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Average value in 2025: 1,508 · median: 258.

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Gap in 2025: Russia is 62× larger than Israel.