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iDeCo Tax Saving Calculator

See how much income tax + residence tax you save by contributing to iDeCo (Japan's defined contribution pension).

2026 tax-year compliantSwitch to Japanese version

iDeCo Tax Saving Calculator

See how much income tax + residence tax you save by contributing to iDeCo (Japan's defined contribution pension).

  1. 1. Enterfill in details
  2. 2. Calculateclick the button
  3. 3. Resultshown instantly
×10K JPY
23000JPY

Key Points

  • Contributions: fully deductible from taxable income
  • Investment gains: tax-free
  • Withdrawal: taxed but with major deductions

FAQ

Eligible for foreigners?

Yes, if enrolled in Japanese pension (国民年金 or 厚生年金). Foreigners with PR or long-term visa can join.

Withdrawal at 60?

Yes — minimum age 60, full deduction after 75 if you delay.

⚠️ Disclaimer

This calculator provides estimates only. For actual tax filing, please consult a licensed 税理士 (zeirishi) or FP (Financial Planner). Results are not a substitute for professional advice.

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