6 docs tagged with "koseki"

Foreigner on koseki explained: how a foreign spouse appears on a Japanese koseki, plus foreign couples, foreign parents, naturalization, and substitutes.

Request koseki and juminhyo copies at the ward-office counter, by mail, at a konbini kiosk, or online: ID, dated fees, and same-day timing explained.

The koseki is Japan's citizen-only family register: what it records, tohon vs shohon document types, common uses, and how foreign spouses are listed.

Japanese couples must share one surname while Japanese-foreign couples are exempt. Learn the rule, the family-court adoption route, and reform debate status.

My Number links koseki, juminhyo, tax, pension, and health records in Japan. Learn what connects, what stays separate, and how to use the linkage.

For Japanese citizens: turn a koseki name change into a new passport. Counter steps, koseki documents, fees, timelines, and romanization choice explained.