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Japan

Civil law with common-law influenceUnitary parliamentary constitutional monarchyReviewed· 2026-05-15
Capital
Tokyo
Population
123,500,000
Languages
Japanese
Currency
JPY

Japan · Constitution

Constitution of Japan

Vests sovereignty in the people, reduces the Emperor to a symbol of the state, guarantees an extensive catalogue of rights, and in Article 9 renounces war. It has never been amended.

The constitutional text

Vests sovereignty in the people, reduces the Emperor to a symbol of the state, guarantees an extensive catalogue of rights, and in Article 9 renounces war. It has never been amended.

Separation of powers

Parliamentary government with the Cabinet collectively responsible to the Diet, and a Supreme Court holding the final power of constitutional review.

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