Compliance
Exit Tax (国外転出時課税制度): What Expats in Japan Need to Know
Japan’s exit tax rules can create a surprise tax bill when leaving—this article breaks down who’s affected, what assets are included, and how to plan effectively.
By NomadicTax Research Team • 5-8 min read • August 18, 2026
## What Is the Exit Tax in Japan?
The **国外転出時課税制度 (kokugai tenshutsu-ji kazei seido)** is Japan’s exit tax system. Under this rule, Japanese residents who are moving abroad and meet certain thresholds are **deemed to have sold** certain high-value assets—such as listed stocks, investment trusts, and derivatives—when they leave and are taxed on the unrealized gains. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/shinkoku/kokugai/01.htm?utm_source=openai))
## Who Is Subject?
Three requirements must be met:
1. You own “target assets” exceeding **¥100 million** in fair market value. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
2. You are a resident at the time of exit, and have been resident in Japan for a total of **more than five years** in the past ten years. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
3. You are becoming a non-resident—i.e. losing both “address” and “residence” under Japanese law. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
## Tax Liability & Timing
- The system treats eligible assets as though they were sold **on the export date**, making **unrealized gains taxable immediately**. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
- Those who file a proper **notification of a Japanese tax agent (納税管理人, nouzei kanri-nin)** before departure may be eligible for **tax payment deferral**—often up to **5 years** or, in some cases, **10 years**. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
## Example
Sara, a Japan resident for 8 of the past 10 years, holds ¥150 million in listed stocks (target assets). She’s moving to Singapore and loses residence status. Under the exit tax rules:
- She’ll be taxed on the hypothetical gain as if she sold the stocks on her exit date.
- If Sara has submitted the tax agent appointment properly, she may pay that tax later—up to 5-10 years after exit.
## Planning Strategies
- Review your portfolio well **before leaving**—if close to the ¥100 million threshold, consider disposing assets early.
- Document cost bases carefully to minimize gains.
- Use the tax agent mechanism to delay payment and manage cash flow.
- Consider delaying your official exit if you haven’t yet satisfied residency or notice requirements.
## Key Caveats & Compliance Points
- Assets held through certain foreign entities may still trigger exit tax if you're treated as the beneficial owner.
- Derivative and credit transactions are included among target assets. ([nta.go.jp](https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1478.htm?utm_source=openai))
- If failing to appoint a tax agent in time, you may lose access to tax deferral and be forced to settle tax in full at exit.
## Conclusion
Exit tax in Japan is a serious consideration for long-term residents—one that requires early planning. By understanding thresholds, assets covered, and timing, you can mitigate financial surprises and maintain compliance when crossing borders.