Get Your Japan Dual Citizenship – Learn How to Apply

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Flag of Japan – Japanese Dual Citizenship

Eligibility Overview

  • By Birth: Individuals born in Japan to at least one Japanese parent are Japanese citizens by birth.
  • By Descent: Children born abroad to a Japanese parent are eligible for citizenship by descent if registered within 3 months of birth.
  • By Naturalization: Foreigners can apply for citizenship after at least 5 years of continuous legal residence, financial independence, and integration.
  • Special Exception – Dual Citizenship Not Allowed: Japan does not permit dual citizenship for adults. Children with multiple nationalities must choose one by age 22.

Step-by-Step Process

  1. Confirm eligibility via descent or long-term residency.
  2. Apply through the Ministry of Justice in Japan or Japanese consulate abroad.
  3. Submit extensive documentation, including proof of income, residence, and cultural integration.
  4. Undergo interviews and background checks.
  5. Renounce your other nationality (if applicable) and take the citizenship oath.

Benefits of Japanese Citizenship

  • Full access to Japanese healthcare, education, and employment
  • Visa-free travel to over 190 countries (one of the world’s strongest passports)
  • Right to vote and run for office in Japan
  • Path to permanent stability and long-term integration

Frequently asked questions.

Does Japan allow dual citizenship?

No. Japan does not allow dual citizenship after age 22. Children born with multiple nationalities must choose one before turning 22. Adults applying for naturalization must renounce their other citizenship.

Yes. If you are born to a Japanese parent, you may be eligible for citizenship by descent — but you must register with Japanese authorities within 3 months of birth.

No. Japan does not automatically grant citizenship through marriage. However, foreign spouses can apply for permanent residency, and eventually naturalization under general rules.

At least 5 consecutive years of legal residence are required, along with language skills, cultural integration, and financial stability.

Yes. Japan requires you to formally renounce your previous citizenship upon naturalization. Children with multiple nationalities must choose one by age 22.

Japan taxes residents on worldwide income. However, if you renounce your other nationality and are not tax-resident in another country, double taxation is generally avoided through treaties.

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