Latest posts
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.
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.
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.