Tax Guide

A practical guide to understanding double taxation when living in Japan. How Japan determines tax residency, how bilateral tax treaties (DTAs) work, and what expats from any country need to know to avoid being taxed twice.

A complete beginner's guide to income tax in Japan for foreigners in 2026 — how to read your payslip, understand income tax and resident tax, file your return, avoid the resident tax trap, and save legally with Hometown Tax Donation (ふるさと納税), iDeCo, and NISA.

A full breakdown of Japan's resident tax (municipal tax + prefectural tax) — how it's calculated, when it's due, and what expats need to know, including whether working holiday participants must pay and how to handle it before leaving Japan.

Planning to leave Japan? This guide covers the complete pre-departure checklist: filing a move-out notification (転出届), claiming tax refunds through a final tax return (確定申告), settling resident tax, handling your bank account, and securing your deposit refund — everything you need for a smooth exit.

A must-read for expats working in Japan: understand the difference between the year-end adjustment (年末調整) and the final tax return (確定申告) — when you must file yourself, how to file online via e-Tax, the March 15 deadline, and the most common refund scenarios.

The essential tax guide for working holiday participants in Japan — resident vs. non-resident classification, year-end adjustment, how to file a final tax return (確定申告) for a tax refund, and what to know about your home country's tax obligations.