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The 2026 $15 Million Estate Tax Exclusion: Why Your Family Plan Still Deserves a Review

Updated October 15, 2026

The federal estate-and-gift tax exclusion is $15 million per person for 2026. That is a significant number, and for many families it may reduce or eliminate concern about federal estate tax. But it does not answer every question about an estate plan—and it does not tell a family whether its current documents still do what the family expects.

Estate planning is also about who can act if you cannot, how property will pass, who will manage it, and how the people you care about will be provided for. A tax threshold can change the conversation without making the rest of the plan unnecessary.

What the $15 million figure means

The $15 million amount is the federal basic exclusion for 2026. The federal estate and gift tax systems work together: certain taxable gifts made during life can affect how much exclusion remains available at death. The number is therefore not simply a test of a household’s bank balance, and a quick estimate of net worth may miss important details.

For federal estate-tax filing purposes, the IRS generally looks at the value of the decedent’s gross estate together with adjusted taxable gifts and the specific exemption. For a person who dies in 2026, a federal estate-tax return is generally required when that total exceeds $15 million. Determining the relevant value can involve ownership, valuation, and the treatment of particular assets—not just the names on a spreadsheet. [IRS instructions for Form 706](https://www.irs.gov/instructions/i706) explain the 2026 exclusion and filing rules.

This is one reason not to treat the exclusion as a blanket “no tax issue” conclusion. Prior gifts, jointly owned property, business interests, life insurance, and other assets may matter to the federal calculation. A tax adviser or estate-planning lawyer can help assess which rules apply to a particular family.

A married couple does not automatically get one combined $30 million allowance

Because the basic exclusion is stated per person, two spouses may each have an exclusion. In 2026, that can make as much as $30 million of combined exclusion potentially relevant to a married couple. But the amount actually available to the surviving spouse depends on the couple’s property, prior transfers, and planning choices.

One federal mechanism is called portability. If the first spouse to die leaves some exclusion unused, the executor may be able to transfer that deceased spouse’s unused exclusion amount—often called the DSUE amount—to the surviving spouse. The surviving spouse can then apply it to certain later lifetime gifts or transfers at death. The election generally requires a properly prepared and timely filed federal estate-tax return, even when the first spouse’s estate is below the ordinary filing threshold. The IRS says Form 706 is generally due nine months after death, with a possible six-month filing extension when properly requested. [IRS guidance on portability](https://www.irs.gov/businesses/small-businesses-self-employed/frequently-asked-questions-on-estate-taxes) and the [2026 Form 706 instructions](https://www.irs.gov/instructions/i706) describe the requirements.

Portability is not automatic simply because a couple is married. Nor does it replace every other planning choice: it may preserve exclusion for federal tax purposes, while a trust or other provision may also address control, management, or the timing of distributions. Whether those provisions are useful depends on the family’s actual circumstances and documents.

A plan can do important work below the federal threshold

Even when federal estate tax is unlikely, an estate plan can answer practical questions that arise during incapacity or after a death. Depending on the person’s needs and the documents used, a plan may address:

- Who can help during incapacity. Financial and health-care documents can name people to make decisions or handle matters if the person cannot act for themselves.

- How property will pass. A will, trust, account beneficiary designation, deed, or ownership arrangement may affect who receives an asset and how the transfer is handled.

- Who will manage the process. Documents can identify an executor, trustee, agent, or guardian nominee, subject to the applicable law and court process.

- How and when beneficiaries receive property. A family may want instructions for a minor child, a young adult, a loved one who needs ongoing support, or someone who would benefit from managed distributions.

- How a business or jointly held property will be handled. A transfer plan can help clarify who is expected to take responsibility and how the family’s interests fit together.

These issues do not disappear when a tax exclusion increases. And documents may work as a set: a will cannot control an account with a beneficiary designation that sends the account elsewhere, for example. Ownership records, beneficiary forms, and estate documents should be reviewed together.

Review tax-driven trust provisions before changing them

Some wills and trusts contain formulas tied to the federal exclusion. Depending on the wording, a formula may direct assets into a credit-shelter, bypass, or family trust when the first spouse dies. Such a trust may have been designed to use a lower exclusion amount, preserve control over certain assets, or provide for a surviving spouse and other beneficiaries in a particular way.

When the exclusion changes, a formula may produce a different result than the family originally expected. It could affect how much property is placed in a trust, who controls that property, and how it may be used or distributed. That does not mean the provision is automatically a problem—or that it should be removed. A trust may serve purposes beyond tax reduction, and each document’s language and funding rules matter.

Before revising a provision, ask the advisers reviewing the plan to explain its current effect in ordinary language. Which assets would it reach? Who would manage them? What could the surviving spouse use? What would happen to the remaining property later? Does the provision still match the family’s goals under current law?

What to bring to a current-law review

An organized review can start with the documents and facts that shaped the existing plan. Consider gathering:

- Current wills, trusts, amendments, powers of attorney, and health-care documents

- Recent account beneficiary designations and property ownership records

- A current list of major assets, including business or real-estate interests

- Records of significant lifetime gifts and any filed gift-tax returns

- Prior estate-tax returns or portability filings, if a spouse has died

- Updates about children, marriage, health, business ownership, beneficiaries, or the people named to act

Then ask your advisers focused questions: Is federal estate tax a realistic concern based on the family’s current assets and gift history? If one spouse has died, was portability elected and documented? Do any formula provisions now direct property in a way the family did not intend? Do the documents and beneficiary forms identify the right people and work together? Which terms remain useful, and which may need updating because the law or family circumstances have changed?

The 2026 exclusion may change the urgency of a tax strategy. It does not, by itself, answer whether your family’s plan is complete, coordinated, or current. Review the tax assumptions, then look at the whole plan.

Bring existing estate documents to a current-law review through childslawfirm.com.

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This article is for general informational purposes only. It is not legal or tax advice, does not address any particular person’s circumstances, and does not create an attorney-client relationship or provide legal representation. Laws and outcomes depend on the facts and applicable law. Consult qualified advisers about your situation.

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