A Simplified Chart on the Acquisition and Loss of Japanese Nationality
This chart provides a simplified overview of how Japanese n…
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Is DNA Testing Alone Enough? The Importance of Legal Acknowledgment of Paternity for Japanese Nationality and Inheritance Rights
Even if an overseas Nikkei individual confirms a biological…
Investigation of Japanese Nationality Status for Overseas Nikkei Individuals with a Japanese Mother or Father
We sometimes receive inquiries from overseas Nikkei individ…
Cases Where a Child of Japanese Parentage Has Only One Nationality vs. Cases Where They Hold Multiple Nationalities
Japan adopts the principle of jus sanguinis (right of blood…
Converting a Foreign Driver’s License to a Japanese License (as of November 2025)
I would like to share a case from November 2025 regarding t…
Addition of a Child to a Japanese Parent’s Family Register (Koseki)
In the case of a child born out of wedlock to a Japanese fa…
