Latest posts
How to Buy Property in Japan as a Foreigner

Japan has few restrictions on foreign real estate ownership, but non-residents face reporting duties and withholding taxes at acquisition and sale.
How Japan Taxes Overseas Stock Gains (2026)

Becoming a Japan tax resident changes how your overseas stock gains are taxed. Here’s how the 20.315% flat rate and double taxation relief actually work.
NISA Contribution Allowance Calculator (2026)

Enter your monthly contributions to see when you’ll hit the Tsumitate and Growth investment limits, and how long until the lifetime cap.
Tsumitate vs Growth NISA Explained (2026)

How Japan’s Tsumitate and Growth NISA allowances differ, their annual and lifetime limits, and how to use both together — compared with the Roth IRA and 401(k).
Japan’s Summer Bonus, Explained (2026)

How Japan’s summer bonus withholding actually works, compared to the US flat-rate approach, plus how to weigh savings vs. NISA investing vs. sending money home.
Japan vs US Dividend Tax Calculator (2026)

For US citizens in Japan: enter your income and dividend to estimate US tax, Japan tax, and the foreign tax credit offset.
US Capital Gains Tax Calculator (2026)

Enter your income and long-term capital gain to estimate US federal tax on foreign stock sales as an American living in Japan.
Can You Open a Korean ISA From Japan? (2026)

Korea’s tax-advantaged ISA is restricted to Korean tax residents, ruling out most foreign residents in Japan. Here’s why, plus real investing alternatives.