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Tax & pension

Can I be taxed in Japan on cryptocurrency gains?

YES, BUT

Yes. Cryptocurrency gains realized by a Japanese tax resident are generally taxable; for individuals they are commonly treated as miscellaneous income unless tied to another business-income activity.

VerifiedPrimary topic verifiedLast checked: 18 Aug 2026

What you need to know

Requirements & exceptions
  • Selling, exchanging or spending crypto can create a taxable realization event; merely holding it generally does not.
  • 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.
Official sources
National Tax Agency — Income Tax for ForeignersNational Tax Agency · Official sourceNational Tax Agency — Tax on Non-Resident Individual IncomeNational Tax Agency · Official source

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