Lifetime Gift Planner | Simulate Annual Gifting vs. Inheritance Tax (Japan)
Enter your total estate value, heir composition, and a planned annual gift amount to compare the combined gift tax and inheritance tax burden of Japan's annual gift exemption (暦年贈与) against doing no lifetime gifting at all. See the estimated tax savings instantly.
Under Japan's annual gift tax system (暦年贈与), the total value of gifts received in a calendar year (Jan 1 – Dec 31), minus the basic exemption of 1.1 million yen, forms the "taxable amount" to which the rate table below applies to compute gift tax. Transferring assets gradually every year while alive can shrink the taxable estate at the time of inheritance and reduce the total inheritance tax owed.
Gift Tax Rate Table (special rate — gifts from a lineal ascendant to a child/grandchild aged 18+)
| Taxable amount after basic exemption | Rate | Deduction |
|---|---|---|
| 200万円以下 | 10% | ― |
| 400万円以下 | 15% | 10万円 |
| 600万円以下 | 20% | 30万円 |
| 1,000万円以下 | 30% | 90万円 |
| 1,500万円以下 | 40% | 190万円 |
| 3,000万円以下 | 45% | 265万円 |
| 4,500万円以下 | 50% | 415万円 |
| 4,500万円超 | 55% | 640万円 |
Gift tax is calculated by applying this rate table to the taxable amount — the annual gift received minus the 1.1 million yen basic exemption. Because the exemption applies per recipient every year, spreading gifts across more years and more recipients increases the total amount that can be transferred tax-free.
Simulate the Tax Savings From Your Gift Plan
Tips
- Gifting exactly up to the 1.1 million yen basic exemption every year incurs zero gift tax, so start by testing a plan that fully uses this tax-free allowance each year.
- The more recipients (children or grandchildren) you have, the more 1.1 million yen exemptions you can use in a single year, which generally lowers the tax burden for the same total amount gifted.
- Gifting a large lump sum in a single year triggers gift tax's steep progressive rates, so check with this tool whether the "tax savings" figure turns negative before actually making the gift.
- Starting lifetime gifting earlier makes it easier to fall outside the look-back period for the add-back rule (7 years before inheritance once fully phased in by 2031), so it is worth simulating with an earlier start year than you initially planned.
Frequently Asked Questions
Side Note — Why the Gift Add-Back Period Grew From 3 Years to 7
For gifts made on or after January 1, 2024, the "lifetime gift add-back" rule — which folds gifts received shortly before an inheritance back into the taxable estate — is being extended in stages from 3 years to 7 years (the full 7-year window only applies to inheritances that begin on or after January 1, 2031, under transitional measures). The reform reflects concerns that families were using the gap between gift tax and inheritance tax rates to make last-minute gifts right before death purely to shrink the taxable estate.
With the look-back window now longer, planning gifts early and consistently matters more than ever. A large gift made in a panic shortly before death will simply be added back into the estate if it falls within the look-back period, defeating the intended tax savings. This tool asks for "years until inheritance" precisely to make this time constraint concrete for the user.
One mitigation worth noting: for the newly added four years of the look-back window (years four through seven before inheritance), gifts up to a combined total of 1 million yen are excluded from the add-back. This relief is not modeled in this tool's simplified simulation, so anyone gifting close to the edge of the look-back period should factor it in and consult a tax professional.