What’s the estate tax, and how does it affect the money, property, and investments Americans leave to their families? In 2026, the federal estate tax system allows an individual who dies during the year a basic exclusion of $15 million. This threshold determines how much wealth can generally pass through an estate before federal estate and gift tax applies, although prior taxable gifts and other adjustments can affect the final calculation. Some estates must also file a federal return even when they owe no estate tax.
Estate tax planning plays an important role for families with valuable homes, investment portfolios, business ownership, and other significant assets. It can also affect surviving spouses who need to manage inherited property and preserve available tax exclusions.
The federal government does not tax every inheritance. Instead, the estate tax calculation considers the deceased person’s taxable estate, allowable deductions, applicable credits, and the exclusion available under federal law. State estate taxes may create additional obligations for certain families.
Understanding these rules helps executors identify filing requirements, estimate potential tax liabilities, and manage the transfer of property. The 2026 federal exclusion provides substantial protection for many estates, but families should not overlook state laws, lifetime gifts, or the tax treatment of assets held through trusts and insurance policies.
What Does the Estate Tax Mean?
The estate tax is a tax on the transfer of a deceased person’s taxable property to heirs, beneficiaries, or other recipients. Federal law determines which assets enter the estate, which deductions qualify, and how much tax the estate must pay.
The calculation generally begins with the gross estate. This amount includes property and certain financial interests that the deceased person owned or controlled under federal tax rules. The executor then accounts for allowable deductions and other adjustments to determine the taxable estate.
For example, a deceased person may leave a home, brokerage accounts, cash deposits, and an ownership interest in a private company. The executor must identify the assets, determine their appropriate values, and apply the relevant federal tax rules.
The estate tax differs from income tax because it focuses on the transfer of wealth at death rather than the income a person earns during life.
It also differs from inheritance tax. The federal estate tax generally applies to the estate, while an inheritance tax, where applicable, generally applies to the person receiving the property.
Most American estates do not owe federal estate tax. The $15 million exclusion for people who die in 2026 places the federal tax threshold well above the value of many households’ assets. However, state taxes and special filing rules can still matter.
What Is the Estate Tax Exemption for 2026?
The federal basic exclusion amount is $15 million per individual who dies in 2026. This amount reflects the federal estate and gift tax rules in effect for the year.
The exclusion increased from $13.99 million in 2025. Federal legislation enacted in July 2025 established the $15 million basic exclusion amount for 2026 and provided for future inflation adjustments.
The federal exclusion amounts for recent years are:
| Year of death | Basic federal exclusion |
|---|---|
| 2023 | $12.92 million |
| 2024 | $13.61 million |
| 2025 | $13.99 million |
| 2026 | $15 million |
These amounts illustrate how the federal exclusion has changed. The basic exclusion is not always the only figure that matters when calculating estate tax. Adjusted taxable gifts made during the person’s lifetime and other applicable adjustments can affect the tax computation.
For instance, someone who dies in 2026 with an estate worth $10 million may have no federal estate tax liability if the applicable exclusion and other rules cover the relevant transfers. However, the executor must still consider the estate’s complete tax history and any applicable filing requirements.
The exclusion also does not guarantee that every estate below $15 million avoids all death-related taxes. A state may impose its own estate tax using a lower exemption.
The federal exclusion and the state estate tax threshold are separate limits. Families should check both before determining whether an estate requires a tax return or payment.
How Is the Taxable Estate Calculated?
Calculating the taxable estate involves more than adding up bank accounts and property. The executor must determine which assets federal law includes, establish their values, and subtract allowable deductions.
The process generally follows five steps.
Step 1: Determine the gross estate
The executor identifies the property and financial interests that belong in the gross estate under federal law. These may include real estate, investments, cash, business interests, and certain life insurance proceeds.
Step 2: Establish asset values
The executor determines the appropriate value of each asset under the applicable valuation rules. Publicly traded investments, real estate, private businesses, and personal property may require different valuation methods.
Step 3: Subtract allowable deductions
Qualifying debts, administration expenses, charitable transfers, and certain other items may reduce the estate’s taxable value. The executor must document each deduction and satisfy the relevant requirements.
Step 4: Account for taxable gifts
Certain taxable gifts made during the deceased person’s lifetime enter the estate tax calculation. The federal estate and gift tax systems work together, so lifetime transfers can affect the exclusion remaining at death.
Step 5: Calculate the applicable tax
The executor applies the federal tax computation, available exclusion, and relevant credits. The result determines whether the estate owes federal estate tax and, if so, how much.
The distinction between gross estate and taxable estate is important. The gross estate represents the property included under federal law, while the taxable estate reflects the permitted deductions and adjustments.
A family’s total wealth therefore does not automatically equal the amount subject to estate tax.
What Is the Federal Estate Tax Rate?
The federal estate tax uses graduated rates, with a top marginal rate of 40%. The final amount depends on the taxable estate, adjusted taxable gifts, available exclusion, deductions, and credits.
The 40% rate does not apply automatically to every dollar of an estate. The federal tax calculation follows the statutory rate schedule, and the exclusion can protect a substantial portion of an individual’s wealth.
Consider an illustrative case involving a person who dies in 2026 with a gross estate of $20 million. Assume the estate has $1 million in qualifying deductions and no relevant prior taxable gifts or other adjustments.
After the deductions, the estate would have a value of $19 million for this simplified illustration. That amount exceeds the $15 million basic exclusion by $4 million.
However, multiplying $4 million by 40% would not necessarily produce the correct federal tax bill. The executor must use the prescribed tax computation and account for applicable credits and other adjustments.
This distinction matters because an estate’s total value, taxable value, and final tax liability are three different figures.
Families should also distinguish federal estate tax from state estate tax. A state may impose a separate liability even when the estate owes no federal tax.
Which Assets Can Be Subject to Estate Tax?
Federal estate tax rules cover various types of property and financial interests. The executor must examine ownership records, beneficiary designations, trust documents, and other legal arrangements to determine what the estate includes.
Real estate
A house, vacation property, rental building, or parcel of land may form part of the gross estate. The valuation process generally considers the property’s fair market value under the applicable rules.
Mortgage debt and other qualifying obligations may affect the final calculation, but the executor must account for the property and debt correctly.
Cash and bank accounts
Checking accounts, savings accounts, certificates of deposit, and other cash holdings may enter the estate calculation. Ownership arrangements can affect how much of a jointly held account belongs in the estate.
Stocks and other investments
Stocks, bonds, mutual funds, and other investment assets can contribute significantly to the estate’s total value. The executor must determine their appropriate values and identify any relevant ownership interests.
Business ownership
A deceased person’s interest in a private company, partnership, or other business may be subject to estate tax rules. Valuing a closely held business can require detailed financial information and professional assistance.
Life insurance
Certain life insurance proceeds can enter the gross estate, depending on policy ownership, beneficiary arrangements, and the deceased person’s rights over the policy.
Direct payment to a beneficiary does not automatically exclude insurance proceeds from the estate tax calculation.
Retirement accounts and annuities
Certain retirement benefits and annuity interests may be included in the gross estate under federal rules. Their estate tax treatment can differ from the income tax treatment that applies when beneficiaries later receive distributions.
Personal possessions and collectibles
Vehicles, jewelry, artwork, antiques, and other valuable personal property may require inclusion and valuation.
Trust property
Assets held through trusts may remain part of the gross estate when the deceased person retained certain ownership rights or control. Transferring property into a trust does not automatically eliminate estate tax exposure.
The executor should review each asset individually rather than assume that a particular ownership arrangement determines the result on its own.
Which Deductions Can Reduce Estate Tax?
Federal law allows certain deductions that can lower an estate’s taxable value. The executor must meet the legal requirements and maintain records supporting each claim.
Debts and qualifying liabilities
Outstanding loans, mortgages, and other qualifying debts may reduce the taxable estate. The estate must establish that the obligations qualify for the deduction.
Administration expenses
Certain expenses related to settling the estate may qualify. These can include eligible executor fees, legal expenses, and other administration costs, subject to federal requirements.
Funeral expenses
Qualifying funeral expenses may be deductible when the estate meets the applicable requirements. Executors should retain invoices and payment records.
Marital deduction
Qualifying property transferred to a surviving spouse generally may qualify for the federal marital deduction. This provision can substantially reduce the taxable estate when the transfer meets the relevant conditions.
Special rules can apply when the surviving spouse is not a U.S. citizen. A qualified domestic trust or another permitted arrangement may be necessary to obtain the intended tax treatment.
Charitable deduction
Property transferred to eligible charitable organizations may qualify for an estate tax deduction. The executor must verify that the recipient and transfer meet federal requirements.
Other permitted deductions
Certain state death taxes and other qualifying expenses may also affect the calculation. The availability and amount of each deduction depend on the estate’s circumstances.
Deductions do not automatically eliminate estate tax. The executor must calculate the estate’s position using the applicable rules and supporting documentation.
How Does Estate Tax Portability Work for Married Couples?
Married couples may be able to use a combined federal estate and gift tax exclusion of up to $30 million in 2026. Each spouse generally has a $15 million basic exclusion, but the surviving spouse does not automatically receive the deceased spouse’s unused amount.
Federal law provides a provision called portability. It allows a surviving spouse to use the deceased spouse’s unused exclusion when the estate makes the required election.
For example, suppose a spouse dies in 2026 with $8 million in assets and has no relevant prior taxable gifts. If the full $7 million unused exclusion qualifies for portability, the surviving spouse may be able to add that amount to their own available exclusion.
Under these assumptions, the surviving spouse could have an exclusion of up to $22 million, subject to applicable rules and future adjustments.
Portability requires a timely and properly completed estate tax return in most cases. The executor generally files Form 706 to elect portability, even if the deceased spouse’s estate does not owe federal estate tax.
This filing can preserve valuable tax benefits for the surviving spouse. Without a valid election, the surviving spouse generally cannot claim the deceased spouse’s unused exclusion through portability.
Married couples should also understand that portability does not transfer every estate planning benefit. Certain trusts and other planning arrangements may provide additional benefits or address concerns that portability alone does not resolve.
What Is the Difference Between Estate Tax and Inheritance Tax?
Estate tax and inheritance tax both concern transfers after death, but they operate differently.
| Feature | Estate tax | Inheritance tax |
|---|---|---|
| Person generally responsible | The estate | The beneficiary |
| Tax basis | Taxable estate under applicable law | Inheritance received under state law |
| Federal tax | Yes | No separate federal inheritance tax |
| State application | Some states impose it | Some states impose it |
| Relationship to the deceased | Generally not the primary rate factor | May affect exemptions or rates |
The federal estate tax generally applies to the deceased person’s taxable estate. An inheritance tax, where applicable, generally concerns the property received by an individual beneficiary.
The distinction matters because receiving an inheritance does not automatically create federal income tax liability. However, income generated by inherited investments and distributions from certain retirement accounts may carry separate tax consequences.
Some states impose both estate and inheritance taxes. Maryland is one example. Other states impose one type of tax but not the other.
Kentucky and Pennsylvania impose inheritance taxes, with rules that can vary according to the beneficiary’s relationship to the deceased.
Families should determine which system applies to their circumstances instead of assuming that federal estate tax rules settle every tax question associated with an inheritance.
Which States Impose Estate Tax in 2026?
Several states and the District of Columbia impose their own estate taxes. These taxes operate separately from the federal system and can affect estates that fall well below the $15 million federal exclusion.
The jurisdictions that impose state estate taxes in 2026 include:
- Connecticut
- Hawaii
- Illinois
- Maine
- Maryland
- Massachusetts
- Minnesota
- New York
- Oregon
- Rhode Island
- Vermont
- Washington
- District of Columbia
Each jurisdiction establishes its own rules, exemptions, rates, and filing requirements. Some states also have provisions that affect how the taxable estate is calculated.
For example, Washington’s estate tax exclusion is $3 million for individuals who die on or after July 1, 2026. The state’s estate tax rates for those deaths range from 10% to 20%.
New York’s estate tax exclusion is $7.35 million for deaths during 2026. Connecticut’s estate tax exclusion generally matches the $15 million federal exclusion for 2026.
These differences demonstrate why families should not rely exclusively on the federal exclusion when planning an estate.
A person with a $5 million estate might owe no federal estate tax but could face a state estate tax liability. The outcome depends on the applicable state law, the person’s residence, property location, and other relevant circumstances.
State tax obligations can also arise when an estate owns property in more than one jurisdiction. Executors should examine those issues before completing the estate’s tax filings.
When Is an Estate Tax Return Required?
The federal estate tax return, Form 706, reports the deceased person’s estate and calculates any applicable federal estate tax.
For a U.S. citizen or resident who dies in 2026, the estate generally must file Form 706 when the gross estate, increased by adjusted taxable gifts and certain other amounts, exceeds $15 million.
A return may also be necessary when the executor elects portability for a surviving spouse. This requirement can apply even when the estate owes no federal estate tax.
Executors generally need to:
- Identify assets and property interests included in the estate.
- Establish the appropriate values for those assets.
- Determine which deductions and adjustments qualify.
- Account for relevant taxable gifts made during the deceased person’s lifetime.
- Complete the necessary tax schedules and calculations.
- Submit the return and pay any tax due within the applicable deadlines.
The filing threshold and the final tax liability are not the same. An estate can meet a filing requirement but owe no tax after deductions, exclusions, and credits.
Different requirements apply to certain nonresident, noncitizen individuals who own U.S.-situated property. In those cases, the executor may need to consider Form 706-NA and the rules that apply to the deceased person’s circumstances.
What Is the Estate Tax Filing Deadline?
The federal estate tax return is generally due nine months after the date of death.
For example, if a person dies on October 29, 2026, the ordinary Form 706 filing deadline would generally be July 29, 2027.
An executor who needs additional time can request a filing extension using Form 4768. A six-month extension to file is generally available when the request satisfies the applicable requirements.
However, an extension to file does not automatically extend the deadline for paying estate tax. The estate should calculate and pay the estimated amount due by the original deadline to limit potential interest and penalties.
Executors should also consider portability requirements when a surviving spouse may benefit from the deceased spouse’s unused exclusion.
Waiting until the end of the filing period can make it harder to obtain valuations, locate financial records, and resolve questions about ownership. Beginning the process promptly gives the executor more time to complete the required work.
Can Lifetime Gifts Reduce Estate Tax?
Lifetime gifts can affect how much wealth remains subject to estate tax at death. However, federal gift tax rules work alongside estate tax rules, so transferring property during life does not automatically eliminate tax exposure.
The annual gift tax exclusion generally allows a person to give qualifying amounts to recipients without using the lifetime basic exclusion. The applicable annual limit depends on the tax year and the nature of the gift.
Gifts that exceed the annual exclusion do not automatically result in an immediate tax payment. They may, however, require a federal gift tax return and reduce the remaining lifetime exclusion, depending on the circumstances.
For example, someone who makes substantial taxable gifts during life may have less exclusion available when their estate is calculated. The executor must account for the relevant gift history.
Certain gifts may receive different treatment under federal law. Qualified transfers for tuition or medical expenses can receive special treatment when they meet the applicable requirements and payments go directly to the qualifying institution or provider.
Families should maintain clear records of significant gifts. Documentation helps establish the nature, timing, and value of transfers and can support accurate tax reporting.
Estate planning decisions should account for the donor’s financial needs, applicable gift rules, and possible consequences for beneficiaries. A tax professional can help evaluate whether a proposed transfer fits the family’s circumstances.
How Can Families Plan for Estate Tax?
Estate planning can help families understand potential tax exposure and prepare for the orderly transfer of assets.
Review total assets and ownership
Families should identify real estate, investment accounts, business interests, insurance policies, retirement assets, and other significant property. They should also review how each asset is owned and whether any trusts or beneficiary designations affect the estate.
Keep financial records organized
Accurate records help executors establish asset values, identify qualifying debts, and document deductions. Business owners should maintain financial statements and relevant ownership documents.
Review wills and trusts
A will identifies how property should pass under the terms of the estate plan, while trusts may serve specific ownership, management, and tax planning purposes. Neither document automatically eliminates estate tax.
Consider the surviving spouse’s tax position
Married couples should understand portability and whether filing an estate tax return could preserve the deceased spouse’s unused exclusion. The decision may have long-term consequences for the surviving spouse.
Check state tax exposure
Families should consider the laws of the state where the deceased person lived and any other jurisdiction with a potential claim to estate tax. State rules may differ substantially from federal requirements.
Seek professional guidance
Estate tax calculations can involve valuation questions, prior gifts, deductions, trusts, and multiple jurisdictions. An estate planning attorney or qualified tax professional can evaluate the facts and explain the available options.
No single strategy suits every family. Planning should reflect the estate’s actual assets, ownership arrangements, financial goals, and legal obligations.
Frequently Asked Questions About Estate Tax
What is the estate tax in simple terms?
Estate tax is a tax on the transfer of a deceased person’s taxable estate. The federal system provides an exclusion and certain deductions, so many estates owe no federal estate tax.
What is the federal estate tax exemption in 2026?
The federal basic exclusion amount is $15 million for an individual who dies in 2026. Prior taxable gifts and other applicable adjustments can affect the calculation.
Does an inheritance automatically trigger estate tax?
No. The federal estate tax generally applies to the estate rather than automatically taxing each beneficiary. State inheritance taxes and other tax rules may apply separately.
Can a married couple use a $30 million exclusion?
Potentially. Each spouse generally has a $15 million basic exclusion in 2026. A surviving spouse may use the deceased spouse’s unused exclusion through a valid portability election.
Does a home count toward estate tax?
A home can form part of the gross estate. Whether federal estate tax is due depends on the value of the overall estate, allowable deductions, available exclusions, and other applicable rules.
What is the highest federal estate tax rate?
The top marginal federal estate tax rate is 40%. The actual liability depends on the statutory calculation, exclusions, deductions, credits, and relevant taxable gifts.
When must an executor file Form 706?
For a U.S. citizen or resident who dies in 2026, Form 706 generally is required when the gross estate, adjusted for relevant taxable gifts and certain other amounts, exceeds $15 million. An executor may also file to elect portability.
Do all states impose estate tax?
No. Several states and the District of Columbia impose estate taxes, while other states do not. Some states also impose inheritance taxes under separate rules.
Conclusion
Estate tax planning requires a clear understanding of federal exclusions, taxable assets, deductions, filing requirements, and state tax laws. In 2026, the $15 million federal basic exclusion protects many estates from federal estate tax, but lifetime gifts, portability elections, and state-specific rules can affect the final result.
Families can make better-informed decisions by keeping financial records organized, reviewing their estate plans, and understanding when a tax return may be required. Executors should also pay close attention to filing and payment deadlines.
In addition to understanding state estate tax requirements, families may need to know who handles the estate’s affairs. Read our guide on what an executor of an estate is to learn about this important role.
What do you think families should understand first about the 2026 estate tax rules? Share your thoughts in the comments and follow future tax developments to stay informed.