How the New 2026 US Estate Tax Rules Apply to Americans Living in the Middle East

Why The 2026 Headline Is Not The Whole Story

If you are an American executive or professional based in Abu Dhabi, Dubai, Doha, Riyadh, Manama, Kuwait City, or Muscat, the 2026 US estate tax rules apply in full, and the Gulf side of the picture looks nothing like Europe.

This article explains how the One Big Beautiful Bill Act (OBBBA) changed the US estate and gift tax regime for American families based in the Middle East, how the local succession and “no inheritance tax” landscape actually works in practice, and, for families with assets between $1 million and $10 million, where the real planning questions now sit.

What Actually Changed

The One Big Beautiful Bill Act (OBBBA),signed into law in 2025, permanently sets the federal estate, gift, and GST tax exemption at $15 million per individual for deaths and gifts occurring on or after January 1, 2026. A married couple, using portability, can shelter $30million combined. The figure is indexed for inflation from 2027. The top federal estate tax rate remains 40%.

For US citizens and US-domiciled individuals, OBBBA applies regardless of where the person lives. An American consultant based in Doha, an oil-and-gas executive in Abu Dhabi, or a finance professional in Riyadh is taxed on worldwide assets at death, just as a US citizen in Houston is. OBBBA changed the size of the federal exemption, not whether it applies to Americans abroad.

What OBBBA did not change is the rest of the system: US state-level estate taxes, the $60,000 US-situs exemption for non-resident aliens, and the absence of a US estate tax treaty with any GCC state.

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How the Gulf Region Handles Wealth at Death

Four points define the Gulf side of the picture for American families based in the region.

First, there is no inheritance or estate tax in any of the six GCC states. That is a meaningful difference from the UK, Ireland, and parts of continental Europe, and it is one of the reasons the region is attractive to American corporate expatriates from a compensation standpoint.

Second, there is no US estate tax treaty with any GCC state. The credit mechanism that mitigates double taxation for Americans in the UK, Switzerland, or Ireland simply is not available here. In practice, for most American families in the GCC, this does not create a double-tax problem because there is no local inheritance tax to credit, but it does mean the US system is the entire estate-tax picture.

Third, succession law is where the real questions sit. The default succession regime in GCC states draws on Sharia principles for Muslim estates, which allocate compulsory shares to defined classes of heirs. For non-Muslim expatriates, several jurisdictions have introduced explicit routes to direct the succession of locally-held assets in away that reflects home-country wishes, most notably the UAE, where Federal Decree-Law No. 41 of 2022 (the Personal Status Law for non-Muslims) alongside the DIFC Wills Service Centre and the ADGM Wills Registry allow non-Muslims to register wills governed by elected law.

Fourth, end-of-service gratuity (EOSG) is a feature of every GCC employment regime. It is a statutory lump sum accrued over the duration of employment and payable at the end of service. Its treatment at death, and its coordination with a US estate plan, is a specific planning item.

Six-country Comparison: How the Local Regime Sits

All six GCC states share the headline “no inheritance tax” position and the absence of a US estate tax treaty. They differ most in how non-Muslim expatriate succession can be structured and in the detail of local employment law. The table below is a simplified summary; specifics should be confirmed against live local legislation.

Source: Skybound 2026

How the US Rules Apply in the Region

For American families in the GCC, the US estate tax position is the picture, and OBBBA’s $15 million exemption means most families in the $1M to $10M bracket will not pay US federal estate tax. Three points matter nonetheless.

First, US-situs assets for a non-US-citizen family member. Where one spouse in a mixed-nationality couple is a non-resident alien of the US, US-situs assets held in that person’s name face the $60,000exemption rather than the $15 million figure. For US brokerage accounts, US real estate, or US-company shares held personally, that distinction is material. This is not a country-specific point, but its bite is more visible where there is no US estate tax treaty to soften it.

Second, the QDOT question for non-US-citizen spouses applies here as everywhere. Without a US citizen surviving spouse, the unlimited marital deduction is not automatic, and the Qualified Domestic Trust is the standard route, again, with no local inheritance tax to interact with, but also no treaty relief to rely on.

Third, US retirement accounts (401(k), IRA, Roth IRA) and US brokerage accounts remain subject to US rules regardless of GCC residence. This is the single biggest reason American families in the region need a US-side estate plan that is current, coordinated, and aware of beneficiary designations.

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What This Means for American Families with $1Mto $10M in the Middle East

For most American families in the Middle East in this bracket, OBBBA’s $15 million federal exemption means US estate taxis unlikely to be the primary concern, and the absence of local inheritance tax means there is no second charge to coordinate. The planning questions move to three structural items.

The first is succession of locally-held assets. For non-Muslim Americans in the UAE, a DIFC or ADGM registered will allows the non-local-law succession of UAE assets. For Americans in the wider GCC, home-country structuring of assets, trusts, revocable arrangements, beneficiary designations on US accounts, is often the effective route, and local wills carry weight within the scope each jurisdiction allows.

The second is end-of-service gratuity. For an executive on a long regional posting, EOSG can represent a significant non-US lump sum at the end of employment. Its treatment at death depends on local employment law and any applicable voluntary savings scheme in the jurisdiction (for example, the UAE’s DEWS scheme for DIFC employees).

The third is currency and repatriation. With the exception of the Kuwaiti dinar, which is pegged to an undisclosed basket of currencies, GCC currencies are pegged to the US dollar. For a family whose US estate plan is denominated in dollars and whose regional assets are denominated in pegged dollars, FX risk is muted. What is not muted is the question of where liquid wealth ultimately lives at death and in what name.

What I see most often with American families in the Gulf is a US estate plan that has not been revisited since the move and a set of local assets that sit outside the plan entirely. The 2026 US changes are a good prompt to bring both sides into the same conversation.

Questions To Raise With A Qualified Adviser

For a US citizen or dual national based in the Gulf with assets between $1 million and $10 million, a short list of questions for a qualified tax or estate professional and a cross-border financial planner includes:

• How are my locally-held assets structured for succession, and is a DIFC or ADGM will (or the equivalent in my country of residence) in place where available?
• Is my end-of-service gratuity, and any voluntary retirement savings scheme linked to it, coordinated with my US estate plan and US tax reporting?
• If my spouse is not a US citizen, how are our US-situs assets structured against the $60,000non-resident alien exemption and the QDOT question?
• Are the beneficiary designations on my 401(k), IRA, and US brokerage accounts current and consistent with my will and any local-country wills?
• Given there is no US estate tax treaty with my country of residence, is my overall plan built around the US framework as the primary driver, rather than treaty relief?

The US exemption change is significant. For most American families in the Middle East in this bracket, what it really does is leave the US framework as the whole estate-tax picture, and move the local conversation to succession structure, EOSG, and where liquid wealth sits.