Nikkei Sansei Visa: Koseki Search and Documents for Moving to Japan
For Nikkei 3sei Long-Term Resident visa applications, it is not enough to simply state Japanese ancestry. The family relationship from Japanese grandparents to the parent and the applicant must be proven with consistent official documents such as koseki, birth certificates, marriage certificates and translations.
SSW1 to SSW2 in Japan (2026 Guide): Eligible Fields, Exams, Work Experience and Employer Checklist
Learn how to move from SSW No. 1 to SSW No. 2 in Japan. This October 2026 guide explains eligible fields, exams, work experience, Japanese-language requirements, employer compliance and family accompaniment. Five years under SSW1 does not create an automatic transition.