Income Tax

Quick Answer Most company employees in Japan don’t need to file a tax return — their employer does year-end adjustment (nenmatsu chosei) for them. You must file yourself if you’re self-employed, had multiple employers, earned over ¥20M, or have deductions to claim. The tax filing period is February 16 – March 15 each year. File at your local tax office (zeimusho) or online via e-Tax. Filing a tax return in Japan for the first time feels overwhelming — the forms are in Japanese, the rules are specific, and the deadlines are unforgiving. Once you understand the structure, it’s actually manageable. Here’s a step-by-step guide to filing taxes in Japan as a foreign resident. ...

Japan has tax treaties with dozens of countries that can dramatically reduce what you owe — or prevent you from being taxed twice on the same income. Most foreigners don’t know whether their country has a treaty with Japan or how to use it. Here’s how to find out and what to do. The Golden Rule: It Depends on Your Home Country Japan taxes you on income earned in Japan once you become a resident. But your home country may still claim the right to tax your worldwide income — regardless of where you live. ...