Taxes in Japan
Japan's tax system is complex but manageable with proper understanding. Tax residency status significantly affects your obligations.
Tax Residency Categories
Non-Resident (less than 1 year in Japan):
- Taxed only on Japan-source income
- Flat 20.42% on employment income
Non-Permanent Resident (1-5 years, foreign national):
- Taxed on Japan-source income
- Foreign income taxed only if remitted to Japan
- Most expats fall into this category initially
Permanent Resident (5+ years or Japanese national):
- Taxed on worldwide income
- Must report all global income
Income Tax Rates (2026)
| Taxable Income | National Tax | Local Tax |
|---|---|---|
| Up to ¥1.95M | 5% | ~10% |
| ¥1.95M-3.3M | 10% | ~10% |
| ¥3.3M-6.95M | 20% | ~10% |
| ¥6.95M-9M | 23% | ~10% |
| ¥9M-18M | 33% | ~10% |
| ¥18M-40M | 40% | ~10% |
| Over ¥40M | 45% | ~10% |
Note: Additional 2.1% surtax on income tax (for reconstruction). Local tax is approximately 10% flat.
Social Insurance (Mandatory)
| Type | Employee Share | Employer Share |
|---|---|---|
| Health Insurance | ~5% | ~5% |
| Pension | ~9.15% | ~9.15% |
| Unemployment | ~0.6% | ~0.95% |
| Long-term Care (40+) | ~0.9% | ~0.9% |
Total: Employees pay approximately 15% of salary in social insurance.
Key Tax Concepts
Nenmatsu Chosei (Year-End Adjustment):
- Employer calculates final tax in December
- Employees submit deduction claims
- Most employees don't need to file returns
Kakutei Shinkoku (Tax Return):
Required if:
- Multiple income sources
- Self-employed
- Income over ¥20M
- Medical expense deductions
- Foreign income to report
Filing deadline: March 15 for previous year
Deductions & Benefits
Common Deductions:
- Dependents (spouse, children, parents)
- Life insurance premiums
- Medical expenses over ¥100,000
- Donation deductions (furusato nozei popular)
- Home loan deduction
2026 Tax Changes
- New 1% defense tax on income tax (from 2027)
- Increased international tourist departure tax (¥1,000 → ¥3,000)
- Forest environmental tax: ¥1,000/year for all residents
Tax Treaties
Japan has tax treaties with 80+ countries to prevent double taxation. Key provisions vary - check your home country's treaty.
Tips for Expats
- Understand your residency status - it determines what's taxable
- Keep remittance records if non-permanent resident
- Report foreign assets over ¥50M to tax authorities
- Use tax advisors for complex situations
- File on time - penalties can be significant
Pro Tips
- •Non-permanent residents (first 5 years) only pay tax on Japan-source income and remittances
- •Year-end adjustment (nenmatsu chosei) means most employees don't file returns
- •Medical expenses over ¥100,000 can be deducted - keep receipts
- •Furusato nozei (hometown tax) offers goods in exchange for tax-deductible donations
- •Report foreign assets over ¥50M - penalties for non-disclosure are severe
Have questions about taxes in Japan?