- Lead. Japan’s lower house passed a bill on June 11 that reclassifies cryptocurrencies as financial instruments, cutting the maximum capital gains tax from 55% to a flat 20% — identical to the rate applied to stock market profits.
- Fact. The legislation also creates a pathway for crypto exchange-traded funds, with the new regulatory framework expected to take effect in 2027 and the lower tax rate applying from 2028.
- Stake. Japan has more than 13 million active crypto accounts; the bill removes one of the most punishing tax regimes among major economies and positions Tokyo as a more competitive market for digital asset trading at a moment when rivals including the US are also revising their crypto rules.
The bill passed Japan’s House of Representatives on June 11 with broad support, moving the oversight of digital assets from a payments framework — which had governed crypto under consumer protection rules — to the Financial Instruments and Exchange Act (FIEA), according to Crypto Briefing. Under FIEA, cryptocurrencies are treated as securities, carrying the same investor protections, disclosure requirements, and tax treatment as equities and bonds. The Upper House is expected to ratify the bill without difficulty; the ruling Liberal Democratic Party controls both chambers.
What changes for investors
The most immediate practical effect is the flattening of the tax rate. Under the existing system, crypto gains are treated as miscellaneous income and taxed progressively up to 55%, a combined rate that includes national and local taxes. The new framework applies a flat 20.315% — the same rate as shares — from 2028 onwards. The bill also introduces loss carryforward provisions, allowing investors to offset prior losses against future gains across tax years, a standard feature for equities investors that crypto holders have previously been denied.
For institutional participants, the FIEA classification carries new weight. Insider trading rules and disclosure requirements now apply, and violations carry penalties of up to ¥10 million in fines and ten years’ imprisonment. The stricter compliance environment may deter some activity at the margin but is broadly seen as the price of legitimacy — and of access to mainstream financial distribution. The path to crypto ETFs, which institutional asset managers in Japan have been unable to launch under the previous regime, opens formally in 2027.
A regional and global context
Japan’s move follows a pattern of major economies stepping back from the harshest corners of their digital asset tax codes. In the United States, Congress has been working toward the CLARITY Act to resolve the ambiguity between securities and commodity treatment for crypto, a debate that has shaped the fortunes of stablecoin issuers like Circle. Earlier this year, Bitcoin ETFs recorded their worst monthly outflows since launch as geopolitical risk drove investors toward cash; the Japan reform gives the asset class a structural tailwind in one of the world’s largest retail investment markets, independent of the short-term sentiment cycle.
With more than 13 million crypto accounts and a financial culture oriented toward retail savings, Japan is a market where tax friction has had a measurable effect on holding behaviour. Analysts expect the FIEA reclassification to increase both trading volumes and the range of institutions willing to offer digital asset products, once the framework takes effect in 2027.