Do I Need to File Taxes in Japan?
The flagship overview — who must file a 確定申告, who doesn't, and who gets money back by filing anyway.
年末調整 vs 確定申告
Japan's two tax systems explained: the employer's year-end adjustment vs the return you file yourself.
The ¥200,000 Side-Income Rule
The 20万円 rule properly explained — including the resident-tax catch most guides skip.
ふるさと納税 and Tax Filing
One-stop vs filing: how they interact, and how filing for any reason voids one-stop.
Freelancer Taxes — Your First Year
青色 vs 白色, the tax-due test, 開業届, and invoicing — the freelancer's first filing.
Leaving Japan and Your Taxes
Departure filing, the 納税管理人 (tax representative), and the loose ends to tie up before you go.
Filing in English — Resources
NTA's English materials, the honest e-Tax reality, and when to hire a 税理士.
Check whether you need to file →