SEISEI INSIGHTS — Succession
The Life-Insurance Trust: A Structure for Not Handing Over the Payout All at Once
2026-07-06
We hear the same reassurance from foreign wealth holders in Japan who have taken out life insurance for their families: "If something happens to me, my spouse and children will receive the payout — so we are safe." They will receive it. But two points are easily overlooked: one is tax, the other is the design of what happens after the money arrives.
Life-Insurance Proceeds Are "Deemed Inherited Property"
Life-insurance proceeds are paid on the death of the insured and are, under Article 3, Paragraph 1, Item 1 of the Inheritance Tax Act, deemed to have been acquired by inheritance. They are therefore, in principle, subject to inheritance tax.
At the same time, Article 12 of the Inheritance Tax Act sets a non-taxable ceiling for life-insurance proceeds of "¥5 million × the number of statutory heirs." With a spouse and two children — three statutory heirs — that is ¥15 million (¥5 million × 3) exempt. The same funds left as a bank deposit are fully taxable; left as insurance proceeds, they draw on this exemption. The vessel you leave the money in changes the outcome — a structural point.
Designing What Happens After — The Insurance Trust
With ordinary life insurance, the proceeds are paid in a single lump sum to the beneficiary's account. A young heir receiving a large sum all at once is not necessarily served by it.
The life-insurance trust addresses this. The insured person is also the settlor, and the recipient of the proceeds is a trust bank. On the insured's death, the proceeds are paid to the trust bank and then distributed in stages under a pre-agreed design — for instance, monthly to the spouse, and to children at each stage of their education. Not a one-off transfer, but a continuing stream. Taxation of the beneficiary through the trust is governed by the beneficiary-taxation principle in Article 9-2 of the Inheritance Tax Act.
The Special Support Trust for Persons with Disabilities
Where the beneficiary is a person with a disability, Article 21-4 of the Inheritance Tax Act provides a framework known as the "support trust contract for specified persons with disabilities." For a beneficiary who is a person with a severe disability, up to ¥60 million — and for other specified persons with disabilities, up to ¥30 million — is excluded from the gift-tax base. This is a generous exemption, separate from the ordinary life-insurance exemption.
Patterns of Use
| Purpose | Beneficiary | Form of distribution |
|---|---|---|
| Support for surviving family | Spouse | Fixed monthly payments |
| Education of minor children | Children | Payments at each education stage |
| Lifelong care for a family member with a disability | Specified person with a disability | Lifelong periodic payments |
| Preparing for cognitive decline | The settlor | Asset management by the trust bank |
Trust fees at major trust banks are commonly cited in the range of roughly 0.3–0.5% per year, with a separate set-up fee. The essence of this structure lies not in the amounts, but in the ability to design who receives what, when, and how.
This article provides general information on tax systems and does not constitute individual tax consultation. Specific filings and tax computations are handled by licensed partner tax accountants whom we introduce.