Meiji 1899 Nationality Law (father-only descent) — superseded
Citizenship in Japan
- Eligibility
- The Meiji Nationality Law (Act 66 of 1899) conferred nationality by jus sanguinis through the father only; superseded by the 1950 Nationality Act (and maternal descent added 1985). Historical era anchor; not operative.
- Renunciation
- Not required
Legal basis
Primary legal authorities: Meiji Nationality Law (Act 66/1899). Status: Historical / superseded (operative_today: false). Administering authority: Ministry of Justice (法務省), Civil Affairs Bureau, via the Legal Affairs Bureaus (法務局); consular missions (外務省) for notifications/applications filed abroad. The Meiji Nationality Law (Act 66 of 1899) conferred nationality by jus sanguinis through the father only; superseded by the 1950 Nationality Act (and maternal descent added 1985). Historical era anchor; not operative.
Informational summary compiled from primary legal sources — not legal advice. Citizenship law changes; verify with the competent authority before acting. Last verified 2026-06-21.
Track changes to this route
Descent and naturalization rules change. We'll email you in plain English when anything affecting Japan updates — no spam.