Japan tax residency rules
Threshold: 183 days · Day Count · Calendar year (Jan 1 – Dec 31)
Japan classifies foreigners into three tax categories: non-resident, non-permanent resident, and permanent resident. The 5-year clock (rolling 10-year window) is the key threshold, cross it and worldwide income becomes Japan-taxable.
- Non-permanent resident: domiciled or resided <5 of last 10 years. Foreign income only taxed if remitted.
- Permanent resident: Japanese citizens or foreigners resident 5+ of last 10 years. Worldwide income taxed.
- Exit tax applies to long-term residents leaving with substantial unrealized gains.
Rules tracked by Tax Days
183-Day Rule
- Type
- Day Count
- Threshold
- 183 days
- Period
- Calendar year (Jan 1 – Dec 31)
Tax residency triggers if you're physically present for more than the threshold number of days in a calendar year.
Japan considers you a non-permanent resident if you have a domicile or residence for 1+ years. The 183-day rule applies under tax treaties.
Japan tax residency, FAQ
How many days can I spend in Japan before becoming a tax resident?
Generally, spending more than 183 days in Japan during a calendar year can make you a tax resident. Japan considers you a non-permanent resident if you have a domicile or residence for 1+ years. The 183-day rule applies under tax treaties.
How does Japan count a day of presence?
Day-counting rules vary: many jurisdictions treat any part of a calendar day spent in-country as a full day, while others require presence at midnight. Because the burden of proof is usually on you, keep a contemporaneous, day-by-day record of where you were.
What tax year does Japan use?
Japan measures residency over calendar year (jan 1 – dec 31).
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