What is the minimum marriage age in Japan?

18+

Minimum marriage age: 18.

Japan is one of 184 countries classified “18+” for the minimum marriage age — 97% of the 189 with data.

Source

Taken from
Wikipedia: Marriageable age
Last checked
15 September 2026
How it was classified
Read directly from the source’s own table, without interpretation.

Nearby countries

South Korea
18+ Minimum marriage age: 19.
North Korea
18+ Minimum marriage age: 18.
Taiwan
18+ Minimum marriage age: 18.
Hong Kong
18+ Minimum marriage age: 21.
Macau
18+ Minimum marriage age: 18.
Philippines
18+ Minimum marriage age: 21.

Other laws in Japan

Same-Sex Marriage
Not recognized
Same-Sex Activity
Legal
Age of Consent
16–17
Sex Work
Decriminalized / unregulated
Pornography
Restricted
Divorce
Legal
Non-Binary Recognition
Not recognized
Same-Sex Adoption
Limited (step-child / single)
Incest Laws
Legal between adults

Every law in Japan → · What is the minimum marriage age around the world? →

A visual reference compiled from Wikipedia’s law-by-country articles, not legal advice. Laws change and summaries simplify — check a primary source before relying on anything here.