Japan’s government has endorsed a move to apply a uniform 20% tax on crypto profits, a shift intended to align digital-asset gains with stock taxation and to modernize the country’s crypto fiscal framework. The Financial Services Agency (FSA)-led package includes a precise flat rate of 20.315% when national, local and reconstruction levies are combined and is expected to be formalized via a bill in early 2026 with implementation targeted around 2027.
Key elements of the 20% tax reform and investor protections
The reform replaces the existing treatment of crypto gains as “miscellaneous income”, which exposed individual investors to progressive taxation of up to 55%. Under the new structure, realized crypto gains will be taxed at a flat 20.315% inclusive of statutory components. The package introduces a loss carry-forward provision for up to three years, permitting taxpayers to offset losses against future gains and bringing crypto tax treatment closer to that of equities and investment trusts. These measures aim to reduce the previous punitive tax burden and to clarify the tax risk for traders, treasuries and institutional allocators.
A central regulatory pillar is the planned reclassification of 105 specified digital assets under the Financial Instruments and Exchange Act (FIEA). Reclassification would subject those tokens to disclosure obligations and insider trading prohibitions comparable to conventional securities. The reform also mandates operational safeguards for trading venues: by 2026, domestic exchanges will be required to maintain emergency liability reserves to compensate users in the event of hacks or catastrophic losses. The proposal signals a broader willingness to permit traditional financial institutions to invest in cryptocurrencies and to enable regulated products such as crypto exchange-traded funds, contingent on the new legal status of selected assets.

Regional context and policy rationale
The policy shift reflects a strategic effort to restore Japan’s competitiveness in digital finance and to curb the migration of businesses and talent to friendlier jurisdictions. Compared with regional peers, Japan’s approach emphasizes harmonization over temporary incentives.
Thailand has implemented a five‑year income tax exemption on trading profits for licensed exchanges through December 31, 2029; South Korea has legislated a 20% capital‑gains tax on crypto profits above a specified threshold but has delayed implementation until 2027; Indonesia applies a transactional framework combining a 0.1% income tax and 0.11% value‑added tax. Japan’s package blends a predictable tax rate with strengthened market integrity rules to attract institutional and retail participation without relying on short‑term tax holidays.
The endorsed measures recast taxation and market rules to treat certain crypto assets like conventional financial instruments, reducing tax volatility for market participants while imposing stricter disclosure and custody requirements. The next verified milestone is the submission of a formal bill expected in early 2026, with full implementation slated around 2027 — a timeline compliance teams, VASPs and custodians should monitor closely for operational and reporting changes.







