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.
Japan’s Invoice System for Freelancers (2026)

How Japan’s Qualified Invoice system and consumption tax work for freelancers — registration, the input tax credit, and transition relief.
Japan’s Estimated Tax Prepayment (2026)

How Japan’s estimated tax prepayment works for freelancers, and how its 2-installment structure compares to US quarterly estimated tax.
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).
iDeCo for Americans in Japan (2026)

A practical guide to Japan’s iDeCo for foreign residents — eligibility, contribution limits, and the PFIC, FBAR, and FATCA reporting most guides skip.
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.
Side Jobs in Japan: Rules & Taxes (2026)

Japan’s rules on side jobs, the JPY 200,000 tax filing threshold, visa considerations for foreign workers, and how it compares to US side-hustle taxes.
Japan’s Digital Nomad Visa: A Guide (2026)

A practical breakdown of Japan’s digital nomad visa — income requirements, length of stay, and how it affects your tax residency.
Meet iDeCo, Japan’s Answer to a 401(k)

Japan’s iDeCo lets most working foreign residents deduct pension contributions. Who can’t join, caps now and from Dec 2026, and what happens if you leave.
Renewing Your Visa Status in Japan (2026)

A practical checklist for what happens to your tax residency, health insurance, and pension enrollment when you change or renew your Japan status of residence.