How strong is Japan's military?

Military capacity and capability data for Japan is shown in the sections above.

Is Japan in any military alliances?

Alliance membership data for Japan is displayed in the alliances section.

Military spending data for Japan is included in the capacity metrics above.

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Japan

Military capacity, alliances, conflict data, and strategic capabilities for Japan.

Spending (% GDP) 1.20%

Spending (USD) 50.2B

Active Personnel 261,000

Personnel (% Labor) 0.38%

No alliance data available.

Latest Year 2024

Events 0

Fatalities 0

Nuclear Status Non-nuclear

Peace Index 1.336

US-Japan Mutual Defense Treaty

Sources: Global Peace Index | World Bank · Last updated: 2025

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