Doble nacionalidad/subciudadanía bilateral: ninguna (positiva N/A)
Ciudadanía en Japan
- Elegibilidad
- Japón prohíbe la doble nacionalidad de adultos y no es parte en ningún instrumento bilateral de nacionalidad al estilo CTA/Benelux. Ausencia confirmada (sin tratado + MOFA).
- Renuncia
- No requerida
Quién califica
- Positive N/A — Japan is party to no bilateral jus-sanguinis dual-nationality treaty; the Nationality Act imposes the nationality-selection duty (Arts. 14-16) universally without bilateral carve-outs, so there is no treaty-based dual-nationality route.
Base jurídica
Primary legal authorities: Nationality Act (Act No. 147 of 1950, as amended). Status: Historical / superseded (operative_today: false).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. Japan prohibits adult dual nationality and is party to no CTA/Benelux-style bilateral nationality instrument. Confirmed absent (un-treaty + MOFA).
Escenarios de ejemplo
Los escenarios de ejemplo se muestran en inglés.
There is no bilateral dual-nationality or citizenship treaty between Japan and North Korea (or any other country). Japan is party to no CTA/Benelux-style bilateral nationality instrument. The positive N/A (JP-BIL-01) applies: Japan's nationality selection duty (Arts. 14-16) applies universally without bilateral carve-outs. Keiko's sister cannot acquire Japanese nationality through Keiko's sibling relationship — adult siblings are not a basis for any Japanese nationality acquisition route. If the sister wanted to pursue Japanese nationality, she would need to independently qualify through her own merit (naturalization: 5-year domicile in Japan, etc.). Keiko's Japanese nationality is irrelevant to her sister's eligibility.
No Japan-North Korea bilateral nationality arrangement (JP-BIL-01: positive N/A) | No sibling-based route in Japanese nationality law | Sister's path requires independent eligibility under Nationality Act
Resumen informativo recopilado a partir de fuentes legales primarias: no es asesoramiento jurídico. La ley de ciudadanía cambia; verifica con la autoridad competente antes de actuar. Verificado por última vez el 2026-06-21.
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