Japan Inheritance Tax

Estimate gross estate tax from net estate value, spouse status, and heir categories. Enter co-heirs as counts for inheritance allocation examples.

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Calculation basis and official references

Reviewed on:

Formula basis

Start from total taxable estate, subtract deduction of 30,000,000 JPY plus 6,000,000 JPY per legal heir, then allocate to legal share classes and apply progressive brackets and credits.

Calculation method

This estimate for Japan’s inheritance tax removes debts and funeral costs, subtracts standard deductions, applies legal shares, and runs through statutory rates and allowances.

Exclusions and checks required

  • Special exclusions, spousal relief, small-business property relief, and deferred gift tax regime need separate checks.
  • Adopted heirs, substitute succession, gifts, debt treatment, and mixed tax systems are simplified.
  • Filing requirement and payable tax must be confirmed through tax office guidance.

Example input:：Net estate 100,000,000 JPY with spouse and two children

netEstateYen
100000000
legalHeirCount
3
spousePresent
Yes
childrenCount
2
debtAndFuneralCostYen
0
giftsAddedYen
0

This simplified scenario excludes heirs’ exact relationship, special exemptions, and transfer shares, so it is not a declaration-ready amount.

Official references

FAQ

Who is this calculator for?

Estimate gross estate tax from net estate value, spouse status, and heir categories. Enter co-heirs as counts for inheritance allocation examples.

What values should I enter?

Applies to: Japan Consumption and Asset Taxes

How should I interpret this estimate?

This estimate for Japan’s inheritance tax removes debts and funeral costs, subtracts standard deductions, applies legal shares, and runs through statutory rates and allowances.

How to use

  1. Enter your input values and press Calculate.
  2. Review the result and compare it with expected context.

Official references