Expat Japan Guide

Arriving in Japan for the First Time — Your First 30 Days Checklist (2026)

Quick Answer First 30 days in Japan: register your address at city hall within 14 days (required by law) → get a SIM card → open a bank account → enroll in health insurance → get a My Number Card. Do them in this order — the bank account and insurance enrollment both require your residence card and address registration certificate. You just landed in Japan. You’re jet-lagged, everything around you is in a language you may not read, and somewhere in the next few weeks you need to figure out your address registration, your phone, your bank account, your health insurance — and ideally not in the wrong order. It’s a lot. ...

May 25, 2026 · 5 min · Expat Japan Team