Japan Furusato Tax-donation Limit

Estimate annual furusato donation cap from income tax rate and local income levy components with a 2,000 JPY self-burden.

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Calculation basis and official references

Reviewed on:

Formula basis

Sum income-tax deduction, basic municipal income deduction, and local special deduction, then cap by municipality income-tax limits including a 20% residual municipal rule.

Calculation method

This estimate computes an approximate Furusato nozei cap under Japan’s local tax and income-tax deduction framework.

Exclusions and checks required

  • Deductions for other taxes and credits can materially change the limit.
  • One-stop filing and final return paths differ in deduction treatment.
  • Recipient eligibility and available proof documents must be confirmed for actual deduction.

Example input:：Donation cap example for 5,000,000 JPY salary

salaryIncomeYen
5000000
spousePresent
No
dependentCount
0
socialInsuranceDeductionYen
750000
otherDeductionsYen
0

A simplified input set cannot guarantee the cap; verify with year-end tax return figures and municipal notices.

Official references

FAQ

Who is this calculator for?

Estimate annual furusato donation cap from income tax rate and local income levy components with a 2,000 JPY self-burden.

What values should I enter?

Applies to: Japan Donations and Corporate Tax / Limit = (Total local income levy × 20%) ÷ (90% − Income tax rate × 1.021) + 2,000

How should I interpret this estimate?

This estimate computes an approximate Furusato nozei cap under Japan’s local tax and income-tax deduction framework.

How to use

  1. Enter your input values and press Calculate.
  2. Review the result and compare it with expected context.
  3. Limit = (Total local income levy × 20%) ÷ (90% − Income tax rate × 1.021) + 2,000

Official references