Estate Tax Exemption Sunset 2026: What You'll Actually Lose

The estate tax exemption sunsets in 2026, but it affects very few Americans—only about 0.07% of estates currently owe any estate tax. Still, wealthy individuals should understand what's changing, especially since the exemption was originally scheduled to drop sharply before recent legislative action.

The Tax Cuts and Jobs Act (TCJA) doubled the basic exclusion amount from $5 million to $10 million per person for 2018 through 2025. With annual inflation adjustments, this raised the exemption to $13.61 million in 2024 and an estimated $13.99 million in 2025. The One Big Beautiful Bill Act (OBBBA), signed in July 2025, prevented the exemption from dropping back. Instead, it increases the exemption to $15 million for single filers and $30 million for joint filers starting January 1, 2026, with ongoing inflation adjustments. The change costs an estimated $212 billion in federal revenue over ten years.

This guide explains what these changes mean for your estate planning—how the new exemption will affect your assets and what strategies you can use now to maximize tax advantages before and after 2026.

• What the estate tax exemption looked like before 2026
  • The 2017 TCJA and its temporary doubling
  • Estate tax exemption amounts in 2024 and 2025
  • Scheduled sunset and the $7.2 million reversion
• How the One Big Beautiful Bill Act changed estate tax rules
  • Permanent increase to $15 million per person
  • Inflation indexing from 2025 onward
  • Impact on lifetime gift tax exemptions in 2025 and beyond
• What would have happened without the new law—the exemption would have dropped to about $7.2 million per person, cutting available tax-free transfers nearly in half. This would have exposed far more estates to federal taxation. Families would have lost flexibility in gift planning and faced a hard deadline pressure to complete transfers before year-end 2025. The 40% estate tax rate on excess assets would have applied to a much larger pool of estates. The OBBBA eliminates these consequences.
  • Loss of $7.8 million in exemption per person
  • Higher 40% estate tax rate on excess assets above the lower threshold
  • Reduced flexibility in lifetime gift planning strategies
• Who is most affected by the sunset
  • High-net-worth individuals and families
  • Business owners and landowners
  • Those who already used most of their exemption
• The year 2026 marks a turning point for estate planning because the exemption changes from temporary to permanent. If you have substantial assets, this shift matters—it removes the artificial deadline that pushed many families to act quickly in 2024 and 2025, but it also means you need to think deliberately about how to use your exemption now versus later. For high-net-worth individuals and families, understanding these changes is essential because they directly affect how much wealth you can pass down without federal taxes.
  • Using the remaining lifetime gift tax exemption
  • Portability and spousal planning
  • Generation-skipping transfer (GST) strategies
  • Trust structures and GRATs
  • Valuation discounts and conservation easements
• Bottom line
• Key takeaways
• FAQs

What the estate tax exemption looked like before 2026

The estate tax exemption is changing in 2026. This stems from laws that set the current exemption amounts as temporary. Understanding what those amounts were and why they're changing matters for anyone planning a large estate.

The 2017 TCJA temporarily doubled the exemption

The Tax Cuts and Jobs Act, passed in 2017, doubled the federal estate tax exemption from $5.49 million per person in 2017 to $11.18 million in 2018. This change was meant to be temporary—it had a built-in expiration date at the end of 2025. For wealthy individuals, the higher exemption created a window to transfer assets tax-free that wouldn't have been possible under the previous lower cap.

Congress made most individual tax provisions temporary to keep the bill's ten-year cost at $1.5 trillion and comply with Senate budget rules. Business tax provisions were made permanent, but the estate tax exemption doubling was always scheduled to expire. The temporary nature of the increase meant that families with significant assets had to choose: use the higher exemption now, or wait and possibly face a much lower threshold later.

Estate tax exemption amounts in 2024 and 2025

Inflation adjustments have raised the exemption each year since 2018. In 2024, the lifetime gift tax exemption is $13.61 million per person ($27.22 million for married couples). The exemption is expected to rise to approximately $13.99 million per person ($27.98 million for couples) in 2025.

These high exemption amounts have shrunk the pool of taxable estates dramatically. The Tax Policy Center estimates roughly 7,000 estates will pay federal estate taxes in 2024—a fraction of the roughly 2.8 million deaths in the U.S. that year. For most Americans, federal estate tax is not a concern.

Scheduled sunset and the $7.2 million reversion

Without new legislation, the exemption was set to drop sharply on January 1, 2026. It would have reverted to $5 million (adjusted for inflation), expected to be roughly $7.0 to $7.2 million per person. This 50% cut would have doubled or tripled the number of estates owing federal taxes.

The drop would have increased taxable estates from about 7,000 to around 19,000 annually. Business owners, farmers, and wealthy families who thought their estates were safe would have suddenly faced an estate tax bill. The difference between the 2025 exemption ($13.99 million) and the projected 2026 level ($7.2 million) created urgency in late 2024 and early 2025.

The gap between these numbers—roughly $7 million per person—created what estate planners called the "exemption cliff." Many wealthy families rushed to make large gifts before the end of 2025, trying to lock in the higher exemption while they could. Estate planning professionals advised clients not to wait, framing it as a "use it or lose it" decision. The OBBBA eliminated this pressure by removing the scheduled drop altogether.

How the One Big Beautiful Bill Act changed estate tax rules

President Trump signed the One Big Beautiful Bill Act (OBBBA) into law on July 4, 2025. The act removed the uncertainty hanging over estate planning since the TCJA's sunset date. Instead of allowing the exemption to drop, the OBBBA made permanent changes that will affect wealthy families for years to come.

Permanent increase to $15 million per person

Starting January 1, 2026, the federal estate tax exemption becomes $15 million per person ($30 million for married couples). This prevents the scheduled drop and actually raises the exemption above what would have been allowed under continued inflation adjustments from 2025.

The key difference: the OBBBA contains no sunset provision. Unlike the TCJA's temporary doubling, which expired automatically, these new exemption amounts have no built-in expiration date. Congress could still change them through future legislation, but the default is now for them to continue indefinitely.

This permanence provides real planning certainty. Families can now make long-term decisions without worrying the rug will be pulled out. The change comes at a fiscal cost—the Congressional Budget Office estimates it will reduce federal revenue by approximately $212 billion over ten years.

Inflation indexing from 2025 onward

The $15 million base will be adjusted annually for inflation starting in 2027. The legislation resets the inflation base to 2025, so future adjustments build from that point forward. This inflation protection means the exemption won't silently erode over time as the dollar loses purchasing power.

If Congress had simply extended the TCJA's exemption without changes, the 2026 figure would have been around $14.3 to $14.4 million. The OBBBA rounds up to $15 million and locks in a new inflation baseline—a slightly more generous outcome for wealthy families.

Impact on lifetime gift tax exemptions in 2025 and beyond

The estate and gift tax exemptions are linked. When one increases, so does the other. This means the $15 million exemption also applies to lifetime gifts starting in 2026.

For someone who used their full $13.61 million exemption in 2024, roughly $1.4 million in fresh exemption becomes available in 2026 ($15 million minus the $13.61 million already used). For couples, this doubles. Those who haven't yet made large gifts can use the full $15 million amount.

The OBBBA's permanence removes the artificial pressure families felt to rush gifts before 2026. That said, there are still reasons to gift assets sooner rather than later:

• Assets you gift now are removed from your estate, along with all their future growth. If your investments appreciate significantly, that growth escapes estate taxation.
• Congress could change these exemption amounts in the future. Locking in gifts now protects against that possibility.
• Only a tiny portion of estates will be subject to estate tax even under these thresholds, so most Americans should focus on other estate planning goals like having current beneficiary designations and a clear will or trust.

Married couples also benefit from portability rules, which let a surviving spouse use their deceased spouse's unused exemption. This effectively doubles the protection to $30 million for couples, with careful planning.

The OBBBA eliminates the artificial cliff that forced decisions. Families can now plan more deliberately, thinking about the long term rather than racing against a deadline.

What would have happened without the new law

Without the OBBBA, the exemption would have dropped to $7.2 million on January 1, 2026—a sharp, sudden cut. Here's what that would have meant.

Loss of $7.8 million in exemption per person

The most direct hit: the exemption falling from $13.99 million (2025) to $7.2 million (2026) would have eliminated $6.8 million in tax-free transfer capacity per person. For married couples, the combined loss would have been nearly $14 million.

Married couples would have gone from a combined exemption of nearly $28 million to roughly $14.4 million. This cut would have immediately made many estates taxable. Estates worth $15–20 million that were safely below the exemption would have crossed into taxable territory overnight. The number of estates owing federal tax would have roughly tripled.

Higher 40% estate tax rate on excess assets

Any assets above the reduced exemption would have faced the federal estate tax rate of 40%—one of the highest marginal tax rates in the entire federal code. For a family with $20 million in assets, the difference is stark: under the OBBBA's $15 million exemption, $5 million would be taxed. Under the sunset scenario, $12.8 million would have been taxable—more than double the exposure, and more than double the tax bill.

The 40% rate is brutal for families whose wealth is tied up in illiquid assets like family businesses, farms, or real estate. Heirs would have needed to sell company stock or land just to pay the tax bill.

Reduced flexibility in lifetime gift planning

The sunset would have also cut the lifetime gift tax exemption—currently $13.99 million—down to $7.2 million. Families who hadn't maximized their gifting by year-end 2025 would have permanently lost the chance to make large tax-free gifts.

This would have collapsed sophisticated planning strategies. GRATs (Grantor Retained Annuity Trusts), installment sales, and family limited partnerships all become less effective when the exemption shrinks. More families would have crowded into these strategies as a last resort, making them harder to execute and potentially inviting IRS scrutiny.

The sunset created an artificial deadline that pushed families to decide quickly rather than thoughtfully. Many rushed to make gifts without considering whether the timing was right for their particular situation. The OBBBA removes this pressure, allowing deliberate planning instead.

Who is most affected by the sunset

The exemption changes affect wealthy families differently depending on their net worth and the nature of their assets.

High-net-worth individuals and families

Families with estates between $7 million and $13.6 million were in the danger zone. Without the OBBBA, they would have crossed into taxable territory in 2026. Families worth more than $13.6 million per person (or $27 million for couples) were already facing estate tax and would have seen their tax bills increase as the exemption shrank.

With the OBBBA in place, families below $15 million per person are now fully protected. Those above that threshold can still benefit from strategic planning—gifting now to lock in current values before appreciation, using trusts to shift future growth outside the taxable estate, and other techniques to reduce their ultimate exposure.

Business owners and landowners

Family business owners, farmers, and landowners face a particular squeeze. Their wealth is concentrated in one or two hard-to-value assets—the business or the land. A business owner might have a net worth of $20 million but little liquid cash. Without the OBBBA's higher exemption, they would have owed substantial estate taxes on assets they couldn't easily sell.

The concern is real: how do you pay a $2 million estate tax bill when your $20 million net worth is locked in a family business? Heirs would have been forced to sell company stock, bring in outside investors, or liquidate the business to settle the bill—defeating the whole purpose of passing a thriving company to the next generation.

Those who already used most of their exemption

Families who made large gifts in 2024 and 2025—trying to beat the exemption cliff—now have fresh exemption available. Someone who gifted $13.61 million in 2024 (using the full year's exemption) gains access to an additional $1.4 million in 2026. The IRS has stated clearly that those who used the higher exemptions during 2018–2025 won't face penalties or recalculations afterward.

This clarity removes a major concern. A family that rushed to gift $9 million in 2018 doesn't have to worry that Congress will retroactively disallow the exemption. The exemption they locked in stays locked in, even if future legislation reduces the threshold.

Planning opportunities before and after 2026

The OBBBA's permanent exemption doesn't mean estate planning ends. Smart families still have multiple strategies to reduce taxes and protect assets.

Using the lifetime gift tax exemption

You can gift up to $13.99 million this year without paying gift tax or reducing your estate exemption. Starting in 2026, you'll have $15 million available. These gifts are irrevocable—once given, they're gone from your estate, and so is all their future growth. If you gift $100,000 in stock that grows to $500,000 in ten years, the $400,000 gain escapes estate tax entirely. The IRS has confirmed that gifts made under the higher 2018–2025 exemptions are locked in; future law changes won't force recalculation.

Portability and spousal planning

If one spouse dies without using their full exemption, the surviving spouse can claim the unused portion by filing Form 706 (the estate tax return) within nine months of death. This effectively doubles the couple's combined exemption to $30 million. The surviving spouse can use this amount to protect their own assets or gifts, creating substantial tax savings for blended families or situations where one spouse owns significantly more than the other.

Generation-skipping transfer (GST) strategies

Transfers to grandchildren or great-grandchildren trigger the generation-skipping transfer tax at 40% if you exceed your $13.99 million GST exemption (rising to $15 million in 2026). Dynasty trusts let you skip a generation—assets go directly to grandchildren without triggering a tax at the parent's generation. These are especially valuable for families wanting to preserve wealth across multiple generations without repeated 40% tax hits.

Trust structures and GRATs

Spousal Lifetime Access Trusts (SLATs) let one spouse fund an irrevocable trust for the other spouse and children, removing assets from the first spouse's taxable estate while allowing the second spouse access to funds if needed. Grantor Retained Annuity Trusts (GRATs) are especially clever: you put appreciated assets into a trust, receive annuity payments back over a set term, and if you survive the term, all remaining appreciation passes to beneficiaries tax-free. These are complex tools that require professional setup and ongoing management, but they're powerful for wealthy families.

Valuation discounts and conservation easements

Family limited partnerships and LLCs can reduce the taxable value of business interests through minority and marketability discounts—sometimes 20–40% off the appraised value. Conservation easements let landowners restrict development of their property in exchange for a substantial tax deduction, reducing estate value by 30–70% depending on the property and location. These are complex strategies with IRS scrutiny, but they can provide significant benefits if structured correctly and if the property genuinely supports conservation goals.

Bottom line

The OBBBA permanently increased the estate tax exemption to $15 million per person ($30 million for couples) starting January 1, 2026. This eliminates the exemption cliff that was scheduled for that date and provides planning certainty. Families no longer face pressure to rush major decisions before a deadline.

That said, strategic planning still matters. Less than 0.1% of estates will owe federal estate tax under these thresholds, but for those with substantial assets, thoughtful planning—gifting now to remove appreciation, using trusts to shift growth, and protecting family businesses from forced sale—can save hundreds of thousands or millions in taxes.

Business owners and farmers should pay special attention. Family enterprises often represent the bulk of an estate's value, and estate taxes can force a sale to pay the bill. Tools like conservation easements, strategic gifting, and trust structures help preserve these assets for the next generation.

Married couples benefit enormously from portability rules. By filing the right paperwork when the first spouse dies, the survivor can claim unused exemption, bringing combined protection to $30 million—enough to shelter most family estates from federal taxation.

The OBBBA removes artificial deadlines, which is healthy. But because Congress could change these rules again, proactive planning—locking in current exemptions through strategic gifting, setting up trusts, implementing GST plans—remains valuable. A conversation with an estate planning attorney can clarify your situation and identify which strategies make sense for your family.

For the vast majority of Americans, federal estate tax won't be a concern. But if you have substantial assets, the new rules provide an opportunity to plan thoughtfully and protect your family's financial future.

Key takeaways

The One Big Beautiful Bill Act permanently increased the estate tax exemption to $15 million per person ($30 million for couples) starting January 1, 2026. This eliminates the scheduled drop that would have reduced the exemption to $7.2 million.

Only 0.07% of Americans currently pay estate tax, but those affected would have faced a $7.8 million reduction in exemption per person without the new law.

Strategic gifting is still worthwhile because it removes current asset values and future appreciation from your taxable estate, even with higher exemptions.

Business owners and farmers benefit especially from planning tools like conservation easements and trust structures that prevent forced asset sales to cover estate taxes.

Portability rules let surviving spouses claim unused exemption from a deceased spouse, effectively doubling protection to $30 million for married couples.

The new law provides planning certainty, but Congress could modify these exemptions in the future. Proactive planning now hedges against that possibility.

FAQs

Q: What changes are coming to the estate tax exemption in 2026?

A: The estate tax exemption permanently increases to $15 million per person ($30 million for married couples) starting January 1, 2026. This eliminates the scheduled reduction to $7.2 million and provides long-term planning certainty.

Q: Who is most affected by the new exemption?

A: High-net-worth individuals, business owners, and landowners with estates exceeding $15 million per person (or $30 million for couples) are most affected. However, less than 0.1% of Americans are expected to owe estate taxes under these thresholds.

Q: Is estate planning still important with the higher exemption?

A: Yes. Strategic gifting now removes asset appreciation from your taxable estate. Congress could also change these exemptions in the future, making proactive planning a hedge against that possibility. Business owners in particular benefit from specialized planning to avoid forced asset sales.