Japan Has Legislated 20% Separate Taxation on Crypto Assets, Expected to Apply From 2028
Japan passed its tax reform law on March 31, 2026, and promulgated the Financial Instruments and Exchange Act (FIEA) amendments on July 23. Crypto assets will get a 20.315% self-reported separate tax and a 3-year loss carryforward. The start date is January 1 of the year after the FIEA amendments take effect, expected to be 2028, pending a government ordinance. This article sorts what is confirmed, what is still in process, and what is unclear.