Crypto Taxes in Japan 2026

Tax year 2025 · filing year 2026 · National Tax Agency (NTA) framework.

Reviewed by Stephan Kulik · Last updated: 2026-04-23 · How we rank

⚠ Not tax advice

This article summarizes publicly available NTA guidance for reference. It is not tax advice for your individual situation. Japan crypto taxation is complex and changes — consult a licensed Japanese tax professional (zeirishi, 税理士) for filing. Always cross-check against the NTA\'s current-year guidance at nta.go.jp.

Key takeaways

Crypto gains in Japan are miscellaneous income, not capital gains — progressive rates up to 55% (45% national + 10% inhabitant).
Crypto-to-crypto trades are taxable disposals (BTC → ETH creates a taxable event).
Losses only offset other miscellaneous income; no carry-forward.
Filing window: Feb 16 – Mar 15 of the following year.
Reform to flat 20% is discussed but not yet enacted as of April 2026.

How Japan classifies crypto income

The NTA classifies crypto asset gains as miscellaneous income (zatsu shotoku) under Article 35 of the Income Tax Act. This contrasts sharply with how Japan treats stock-trading gains (flat 20.315% under the separate-taxation system for listed securities).

Miscellaneous income is added to your total income and taxed at progressive rates alongside salary, business income, and rental income.

Tax brackets 2026

Income slice	National tax	Inhabitant tax	Effective
Up to ¥1.95M	5%	10%	15%
¥1.95M–¥3.30M	10%	10%	20%
¥3.30M–¥6.95M	20%	10%	30%
¥6.95M–¥9.00M	23%	10%	33%
¥9.00M–¥18M	33%	10%	43%
¥18M–¥40M	40%	10%	50%
Above ¥40M	45%	10%	55%

Marginal — each slice is taxed at its own rate; lower slices don't re-tax.

Taxable events

Selling crypto for JPY
Trading crypto for another crypto (e.g., BTC → ETH is a disposal of BTC at the JPY-equivalent at trade time)
Paying for goods / services in crypto
Receiving staking or mining rewards (FMV at receipt)
Airdrops (FMV at receipt)
DeFi yield / lending interest

Non-taxable events

Buying crypto with JPY
Transferring between your own wallets
Holding (no disposal, no tax)
Small gifts below the ¥1.1M annual gift-tax threshold

Loss treatment — the sharp edge

Crypto losses are only deductible against other miscellaneous income. They do not offset:

Salary income
Capital gains from stocks
Business income

And losses do not carry forward to subsequent tax years under current rules. A bad crypto year with no other miscellaneous income = you get no tax benefit from the loss. This is materially harsher than the US, UK, Germany, or most EU jurisdictions.

Filing

Filing period: February 16 – March 15 (2026 for tax year 2025)
Form: Individual tax return (kakutei shinkoku) via e-Tax or paper to your local tax office
Records required: per-trade log with date, JPY value at trade time, cost basis method (Japan uses moving-average method by default; total-average is also allowed)
Foreign exchange reporting: if total foreign assets (including crypto on overseas exchanges) exceed ¥50M at year-end, file the Foreign Asset Report (Kokugai Zaisan Chousho)

Practical planning implications

Above ¥40M income bracket, every yen of crypto gain is 55% tax. Harvest gains in lower-income years if flexible.
Crypto-to-crypto is taxable — rebalancing portfolios triggers tax. Consider keeping positions in one asset if rebalancing would push into a higher bracket.
Stablecoin yield is taxed at receipt at FMV — even if you don't withdraw, you owe tax on the yield earned.
Tax software: CryptoLinC, Cryptact, Defitact are Japan-specific crypto tax tools designed around NTA requirements and moving-average cost basis.

Reform watch

The Japan Crypto Asset Business Association (JCBA) and allied industry bodies have pushed since 2023 for reclassification of crypto gains to flat-rate financial capital gains (20.315% like stocks). The LDP tax commission discussed this in 2025 pre-budget talks, and some observers expect a phased reform in the 2027–2028 tax reform cycle. Nothing has passed as of April 2026 — continue to assume miscellaneous-income classification for 2025 filings.

Frequently asked questions

How is crypto taxed in Japan? +

Crypto gains are classified as "miscellaneous income" (zatsu shotoku, 雑所得) by the National Tax Agency (NTA). They are added to your other income and taxed at Japan's progressive individual income-tax rates — 5% to 45% — plus 10% local inhabitant tax, for a top marginal rate of 55% on the highest bracket. This classification is significantly less favorable than capital gains on stocks, which are taxed at a flat 20.315%.

What counts as a taxable event? +

Japan is strict. Taxable events include: (1) crypto-to-fiat sale (JPY conversion), (2) crypto-to-crypto trade (BTC → ETH is a taxable disposal of BTC), (3) using crypto to pay for goods or services, (4) receiving mining/staking rewards (income at FMV on receipt), (5) airdrops (income at FMV when received), (6) DeFi yield. Non-taxable: buying crypto with JPY, transferring between your own wallets, holding without selling, gifting small amounts under the annual gift tax threshold.

What is the top marginal tax rate on crypto gains? +

55% for gains that push your total income into the highest bracket (over ¥40M / ~$265K annual). Breakdown: 45% national income tax + 10% local inhabitant tax (住民税). This applies to the marginal yen above ¥40M. Below that, rates are progressive — 15% at the lowest bracket (5% national + 10% inhabitant), up to 55% at the top.

How do the brackets work specifically? +

Japan national income tax brackets for 2026 (applicable to crypto miscellaneous income): 5% up to ¥1.95M · 10% to ¥3.30M · 20% to ¥6.95M · 23% to ¥9.00M · 33% to ¥18M · 40% to ¥40M · 45% above ¥40M. Add 10% flat inhabitant tax to each. So effective crypto rates: 15%, 20%, 30%, 33%, 43%, 50%, 55% respectively on the marginal slice.

Can I deduct crypto losses? +

Only against other miscellaneous income, not against salary or capital gains. This is a material constraint — unlike the US (where crypto losses offset capital gains broadly) or the UK (where crypto losses carry forward against future CGT), Japan quarantines crypto losses within the miscellaneous-income bucket. If you had no other miscellaneous income, a crypto loss has no deductibility this tax year. Losses also cannot be carried forward to future years under current rules.

When is the Japan tax filing deadline? +

Individual tax returns (kakutei shinkoku, 確定申告) for the previous calendar year are filed between February 16 and March 15. For the 2025 tax year, filing window is February 16 – March 15, 2026. If you owe tax, payment is due the same date. Extensions are limited; penalties for late filing start at 5% of the tax due.

Do I need to report crypto held abroad on exchanges like Binance? +

Japan's Foreign Asset Reporting (Kokugai Zaisan Chousho) applies if your overseas assets exceed ¥50M at year-end — crypto on foreign exchanges counts. Separately, income earned on foreign platforms is taxable in Japan regardless of whether the exchange reports to the NTA. Using non-JFSA-registered exchanges does not reduce Japanese tax liability — it just raises audit risk if discovered.

Is the classification likely to change? +

Reform is actively debated. Crypto industry bodies (Japan Crypto Asset Business Association, JCBA) have pushed since 2023 for reclassification of crypto gains as financial capital gains (flat 20%). The LDP has indicated openness, and 2026 pre-budget discussions included a proposal to move toward 20% flat taxation. As of April 2026, no law change has passed — 55% marginal top rate remains in effect. Filers should check the NTA's annual guidance for the tax year being filed.