Income Tax Calculator in Japan: calculate your Japan income tax
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FAQs
Do I pay Japanese income tax if I’m a non-resident?
Yes—salary from Japan sources is commonly withheld at 20.42% in a simplified approach.
Why is my employment income lower than my gross salary?
Japan uses a statutory employment income deduction table rather than actual job expenses.
What’s the difference between income and taxable income?
Taxable income is total income minus deductions, rounded down to the nearest ¥1,000.
What is the Reconstruction Special Income Tax?
It’s an additional tax through 2037, calculated as 2.1% of base income tax (rounded down to ¥1).
How do spouse deductions work?
If your spouse meets the income conditions, a spouse deduction applies (higher for elderly spouses), and can reduce if your total income is high.
Which dependent gives the biggest deduction?
A specific dependent (typically age 19–22) gives ¥630,000, higher than general dependents.
Does this include resident tax?
Optionally. Resident tax is often approximated as 10% of taxable income plus a per-capita levy.
Why might my result differ from my official bill?
Differences can come from credits, separate taxation categories, municipal rules, and official rounding.
Note: This calculator provides an estimate. Rates can vary by region and change over time. It is not tax advice.
See more in calculators for Japan.
Sources
- NTA — Income tax rates (quick table)National Tax Agency (Japan) · Japan · Accessed: 2026-01-28National income tax rates and quick deductions.
- NTA — Income tax for individuals (English)National Tax Agency (Japan) · Japan · Accessed: 2026-01-28Overview of individual income tax and rules.
- NTA — Employment income deduction table (withholding guide)National Tax Agency (Japan) · Japan · Accessed: 2026-01-28Employment income calculation tables and formulas.
- NTA — Basic exemption and changesNational Tax Agency (Japan) · Japan · Accessed: 2026-01-28Basic exemption thresholds and guidance.
- NTA — Non-resident withholding (English)National Tax Agency (Japan) · Japan · Accessed: 2026-01-28Non-resident income tax withholding and rates.
- Chuo City — Resident tax changes (Forest Environment Tax)Chuo City · Tokyo, Japan · Accessed: 2026-01-28Per-capita levy and Forest Environment Tax references.
- Gifu City — Resident tax overview (English)Gifu City · Gifu, Japan · Accessed: 2026-01-28Resident tax overview and per-capita notes.
