Tax & pension
Can I be taxed in Japan on overseas capital gains?
Yes. Gains on overseas assets can be taxable in Japan depending on your Japanese tax-residence category, the asset and special rules for non-permanent residents.
VerifiedPrimary topic verifiedLast checked: 18 Aug 2026
What you need to know
Requirements & exceptions
- Japanese immigration 'Permanent Resident' status is not the same as tax 'permanent/non-permanent resident' classification.
- Tax treaties and foreign tax credits can reduce double taxation but do not automatically erase Japanese filing obligations.
- Keep records of acquisition cost, income, exchange rates and foreign tax paid.
Documents
- My Number/tax ID where applicable
- Income/payment records
- Supporting tax/insurance records
Likely cost
Tax filing itself has no government filing fee. Actual tax due depends on income and facts; certificates, translations and professional tax assistance may add costs.
Where to act
National Tax Agency / competent tax office; use e-Tax where eligible. Appoint a tax representative before departure when required.