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Japan Tax Deductions & Allowances

Deductions & Allowances in Japan

Standard deduction (estimated)

For 2026, an estimated standard deduction of ¥580,000 is used in this calculator's default estimate.

Key deductions and allowances in Japan

  • Basic exemption (kiso kojo)
  • Employment income deduction (kyuyo shotoku kojo)
  • Social insurance premium deduction
  • Dependent and spousal deductions

Other categories worth checking

  • Retirement / pension contributions
  • Health insurance and medical expenses
  • Dependent / family allowances
  • Mortgage interest or housing-related relief
  • Education expenses
  • Charitable donations
  • Business expenses (for self-employed filers)

Availability and limits for each category vary significantly by country and change from year to year. Confirm which deductions you're eligible for with National Tax Agency (NTA) or a local advisor.

Related Japan tax guides