Estate Tax Brazil vs USA — 2026 Comparison Guide

There is no estate tax treaty between Brazil and the United States. This single fact shapes the entire field of cross-border succession planning for Americans in Brazil, Brazilians in the US, and anyone with assets in both countries. Without a treaty, double taxation is not a risk — it is the default outcome. An American citizen dying in Brazil with assets in both countries faces US federal estate tax of up to 40% on worldwide assets AND Brazilian ITCMD of up to 8% on Brazilian assets, with limited relief mechanisms. This guide provides the comprehensive comparison you need to plan around that reality.

How Do US Estate Tax and Brazilian ITCMD Compare?

Feature	US Federal Estate Tax	Brazil ITCMD
Tax level	Federal	State (26 states + DF, each with own rules)
Tax type	Estate tax (paid by the estate)	Transfer tax (paid by the heir/donee)
Rate	18%-40% (graduated)	2%-8% (varies by state; progressive post-LC 227/2026)
Exemption (citizens/residents)	$13.61 million (2024; indexed for inflation)	Minimal — varies by state (e.g., ~R$82,000 in SP)
Exemption (non-resident aliens)	$60,000	Same as residents (no nationality distinction)
Applicable assets	Worldwide (for citizens/domiciliaries); US-situs only (for NRAs)	Assets located in Brazil + foreign assets received by Brazilian domiciliaries (post-LC 227/2026)
Marital deduction	Unlimited (to US citizen spouse); QDOT required for non-citizen spouse	No equivalent; spouse gets meacao (not taxed) + inheritance share (taxed)
Gift tax integration	Yes — lifetime gifts reduce estate tax exemption	Separate ITCMD on donations; 5-year aggregation for rate brackets (post-reform)
Filing deadline	9 months after death (Form 706)	60 days to open inventory (CPC Art. 611); ITCMD due within 180 days in most states
Treaty with the other country	None	None

Is There an Estate Tax Treaty Between Brazil and the USA?

No. The United States has estate tax treaties with approximately 16 countries (including the UK, France, Germany, Japan, and several others). Brazil is not among them. Brazil has no estate or inheritance tax treaty with any country.

“The absence of an estate tax treaty between the US and Brazil means double taxation is not a risk — it is the default outcome. Every cross-border estate plan must start from this reality and work backward.” — Zachariah Zagol, OAB/SP 351.356

This absence has profound consequences:

1. No coordinated exemptions. The US exemption ($13.61M for citizens) and Brazilian exemptions operate independently. There is no mechanism to allocate exemptions across jurisdictions.

2. No agreed valuation methods. The US and Brazil may value the same asset differently. US estate tax uses fair market value at date of death. Brazil uses valor de mercado per LC 227/2026 Art. 154. Discrepancies create asymmetric tax bases.

3. No automatic credit mechanism. While the US allows a unilateral foreign tax credit under IRC Section 2014, it is limited and does not fully eliminate double taxation. Brazil offers no credit for US estate taxes paid.

4. No dispute resolution. Treaty countries can invoke mutual agreement procedures when tax authorities disagree. With no treaty, there is no mechanism to resolve conflicting positions.

How Does US Estate Tax Work for Non-Citizens?

The US estate tax regime treats people very differently based on citizenship and domicile:

US Citizens (Regardless of Where They Live)

US citizens are subject to estate tax on their worldwide assets — including Brazilian real estate, Brazilian bank accounts, and interests in Brazilian companies. The exemption is currently $13.61 million (2024), meaning most Americans owe no US estate tax. However, this exemption is scheduled to sunset — see below.

Key point for Americans in Brazil: Even if you’ve lived in Brazil for 20 years, hold Brazilian permanent residency, and consider yourself an expat — the IRS considers you a US citizen subject to worldwide estate tax. Your Brazilian apartment, your Brazilian bank accounts, and your quotas in a Brazilian LTDA are all included in your US gross estate.

Lawful Permanent Residents (Green Card Holders)

Green card holders are treated as US domiciliaries for estate tax purposes. They receive the full $13.61 million exemption and are taxed on worldwide assets — identical to citizens.

Non-Resident Aliens (NRAs)

Non-resident aliens — including Brazilians who are not US citizens or green card holders — are subject to US estate tax only on assets with a US situs. US-situs assets include:

• US real estate
• Tangible personal property located in the US
• US corporate stock (including shares in US-listed companies)
• US partnership interests (depending on the type)

The exemption for NRAs is only $60,000. This means a Brazilian with a $1 million US investment portfolio (holding US stocks) faces US estate tax starting at $60,001 — with rates up to 40%. This catches many Brazilians by surprise.

Estate tax on US stocks held by Brazilians: If you are a Brazilian citizen holding shares in Apple, Google, or any US-incorporated company through a US brokerage account, those shares are US-situs assets subject to US estate tax with only a $60,000 exemption. A $500,000 portfolio could generate a US estate tax bill of approximately $150,000 — with no Brazilian tax credit available.

How Does Brazilian ITCMD Work for Foreigners?

Brazilian ITCMD — authorized by Art. 155, I of the Federal Constitution and capped at 8% by Senate Resolution 9/1992 — is a state-level tax that applies to:

• Assets located in Brazil — regardless of the nationality or domicile of the deceased or the heir. If an American dies owning a Sao Paulo apartment, ITCMD is owed to Sao Paulo regardless of where anyone lives.
• Foreign assets received by Brazilian domiciliaries — under LC 227/2026, if you live in Brazil and inherit assets from abroad, you owe ITCMD to your state of domicile.

There is no personal exemption of meaningful size. Sao Paulo exempts estates below approximately R$82,000 (2,500 UFESPs) — equivalent to roughly $15,000. Above this threshold, tax applies from the first real at progressive rates reaching 8%.

The surviving spouse’s meacao (community property share) is NOT subject to ITCMD because it was never the deceased’s property — it was always the surviving spouse’s. This is the closest Brazilian equivalent to the US unlimited marital deduction, though it operates through property law rather than tax law.

What Are the Double Taxation Scenarios?

Scenario 1: US Citizen Living in Brazil with Assets in Both Countries

Facts: John, a US citizen, has lived in Sao Paulo for 12 years. He owns a house in SP (R$3M), a US brokerage account ($800K), and a Brazilian investment portfolio (R$2M). He is married under comunhao parcial de bens with two children.

US estate tax exposure:

• Worldwide assets included in gross estate: ~$2.2M (all assets converted to USD)
• Current exemption: $13.61M
• US estate tax owed: $0 (estate below exemption)

Brazilian ITCMD exposure:

• Spouse receives meacao of community assets (50% of assets acquired during marriage)
• ITCMD applies to John’s remaining share at SP progressive rates (post-reform)
• Estimated ITCMD: R$100,000-200,000 depending on which assets are community vs. separate property

Post-2025 sunset scenario (if exemption drops to ~$7M):

• Same facts, but John’s worldwide estate is closer to the exemption threshold
• If John’s assets grow to $8M total, US estate tax would apply to the excess at 40%

Scenario 2: Brazilian Citizen with US Assets

Facts: Fernanda, a Brazilian citizen living in Rio de Janeiro, holds $2M in US stocks through a US brokerage account. She has never been a US resident.

US estate tax exposure:

• US-situs assets: $2M (US corporate stock)
• NRA exemption: $60,000
• Taxable estate: $1,940,000
• Estimated US estate tax: ~$700,000 (at graduated rates up to 40%)

Brazilian ITCMD exposure:

• The US stocks are foreign assets received by heirs domiciled in Brazil
• Post-LC 227/2026, ITCMD applies at RJ progressive rates (up to 8%)
• Estimated ITCMD: ~R$800,000

Total tax burden: Approximately $700K (US) + R$800K (~$150K USD) = ~$850K on a $2M portfolio — an effective combined rate of over 40%.

No credit available: Brazil does not allow a credit for US estate taxes paid. The US does not allow NRAs to claim a credit for Brazilian ITCMD.

Scenario 3: Non-US/Non-Brazilian with Assets in Both Countries

Facts: Klaus, a German citizen living in Portugal, owns an apartment in Miami ($1.5M) and a vacation home in Bahia (R$2M).

US estate tax: Klaus is an NRA. The Miami apartment is US-situs. Exemption: $60K. Estate tax on $1.44M: ~$500K.

Brazilian ITCMD: The Bahia property is subject to ITCMD at BA progressive rates (4%-8%). Tax on R$2M: ~R$120,000.

Note: Germany has an estate tax treaty with the US (but not with Brazil). Klaus may get relief on the US side through the Germany-US treaty but gets no relief on the Brazilian side.

What Mitigation Strategies Are Available?

Strategy 1: US Foreign Tax Credit (IRC Section 2014)

A US citizen or resident whose estate pays ITCMD to Brazil can claim a foreign tax credit on Form 706. The credit is limited to the lesser of: (a) the ITCMD paid, or (b) the US estate tax attributable to the Brazilian assets. This reduces — but rarely eliminates — double taxation.

Limitation: The credit applies only to estate taxes, not to inheritance taxes paid by individual heirs. ITCMD is technically an inheritance tax (paid by the heir, not the estate). The IRS has generally allowed the credit for ITCMD, but the legal basis is not settled by treaty, making this a gray area that requires careful documentation.

Strategy 2: Strategic Lifetime Gifting

Both the US and Brazil tax lifetime gifts, but at different rates and with different exemptions:

• US: The annual gift tax exclusion is $18,000 per donee (2024). Gifts above this use the lifetime exemption ($13.61M).
• Brazil: ITCMD on donations applies at state rates (currently 4% flat in SP).

Gifting assets during life — particularly Brazilian assets — locks in current ITCMD rates before progressive rates take effect. For US purposes, the gift reduces the taxable estate (though it uses the lifetime exemption).

Strategy 3: Holding Company Structures

Transferring Brazilian real estate into a holding company can convert US-situs concerns (direct real estate ownership may create US estate tax exposure for NRAs if the property is US-located) and reduce ITCMD valuation issues. For Brazilian assets, the holding structure provides succession management benefits even as LC 227/2026 reduces the pure tax arbitrage.

Strategy 4: Life Insurance Planning

Life insurance proceeds are excluded from the Brazilian estate under CC Art. 794 and therefore not subject to ITCMD. In the US, life insurance proceeds are included in the gross estate if the decedent owned the policy, but can be excluded if held in an irrevocable life insurance trust (ILIT).

Strategic use of insurance can replace assets that will be diminished by double taxation. If your heirs will lose 40%+ of a $2M asset to combined US/Brazil taxes, a $1M life insurance policy provides tax-free replacement wealth.

Strategy 5: Cross-Border Will Coordination

Separate wills for each jurisdiction ensure that the estate administration proceeds efficiently in both countries simultaneously. The Brazilian will directs the Brazilian inventory; the US will directs US probate. Coordinated wills prevent conflicts (e.g., one will revoking the other) and allow each jurisdiction’s tax planning provisions to work independently.

Choosing the Right Combination of Strategies

“No single strategy eliminates US-Brazil double taxation on estates. The optimal approach layers multiple tools — foreign tax credits, lifetime gifting, insurance, and coordinated wills — calibrated to each client’s specific asset profile and family structure.” — Zachariah Zagol, OAB/SP 351.356

No single strategy eliminates double taxation. The optimal approach combines multiple strategies based on your specific profile. For example, a US citizen in Brazil with $5M in combined assets might: (1) coordinate wills to ensure efficient parallel probate, (2) make strategic donations of Brazilian assets at current flat ITCMD rates, (3) hold a VGBL plan to shift a portion of wealth outside the ITCMD base, and (4) maintain detailed records to maximize the IRC Section 2014 foreign tax credit. An estate planning consultation models these strategies against your specific asset profile and produces a prioritized implementation roadmap.

What Happens When an American Dies in Brazil?

The following steps occur in parallel across both jurisdictions:

In Brazil (immediate):

1. Death certificate issued by the cartorio de registro civil
2. Attorney engaged to open inventory within 60 days per CPC Art. 611 — the CNJ publishes updated procedural guidance for notarial and judicial inventories
3. CPFs confirmed for all heirs
4. Brazilian assets valued; ITCMD calculated and paid
5. Inventory completed; assets transferred to heirs via notarial deed or judicial order
6. Property registrations updated

In the United States (within 9 months):

1. US consulate notified; consular report of death issued
2. US executor (named in US will) engages US estate attorney
3. Form 706 filed with IRS within 9 months of death
4. US-located assets administered through US probate
5. Foreign tax credit claimed for ITCMD paid to Brazil
6. FBAR and FATCA reporting obligations finalized for the deceased’s final year

Coordination requirements:

• Brazilian attorney and US estate attorney must communicate regarding asset valuations, tax credits, and partition terms
• Death certificate must be apostilled for use in both jurisdictions
• Heirs may need to file tax returns in both countries
• Timing coordination is critical: the US 9-month Form 706 deadline and the Brazilian 60-day inventory filing deadline run simultaneously

What Is the Impact of the 2025 US Estate Tax Sunset?

The current $13.61 million exemption was established by the Tax Cuts and Jobs Act (TCJA) of 2017, which doubled the pre-existing exemption. This provision is scheduled to sunset on December 31, 2025, reverting the exemption to approximately $7 million (adjusted for inflation) in 2026.

Impact on Americans in Brazil:

Scenario	Current Law (2024)	Post-Sunset (2026+)
Estate of $10M	$0 US estate tax	~$1.2M US estate tax
Estate of $15M	~$540K US estate tax	~$3.2M US estate tax
Estate of $20M	~$2.5M US estate tax	~$5.2M US estate tax

Plus ITCMD on Brazilian assets in all scenarios.

For Americans in Brazil with combined worldwide assets between $7M and $13.61M, the sunset converts a zero-US-tax situation into a significant tax liability. Combined with Brazil’s increasing ITCMD rates under LC 227/2026, the total cross-border tax burden on these estates could approach 45-50%.

Planning window: If the sunset proceeds as scheduled, Americans in Brazil should accelerate lifetime gifting and restructuring before January 1, 2026, to lock in the higher exemption. This aligns with the parallel urgency of completing donations before Brazilian states implement progressive ITCMD rates.

Frequently Asked Questions

Can I avoid double taxation on my Brazil-US estate?

You can reduce it but not eliminate it entirely. The primary tool is the US foreign tax credit (IRC Section 2014), which credits ITCMD paid to Brazil against US estate tax. However, this credit has limitations: it only offsets US tax attributable to the Brazilian assets, not your total US tax bill. And Brazil offers no reciprocal credit for US estate taxes paid. Strategic planning — lifetime gifts, insurance, holding structures, and will coordination — can significantly reduce the combined burden, but zero double taxation is not achievable without a treaty.

Does my Brazilian spouse automatically inherit everything?

No. Brazilian forced heirship requires that 50% of the estate (the legitima) pass to all compulsory heirs — which includes your children alongside your spouse. The spouse also receives their meacao (community property share), which is not inheritance. On the US side, the unlimited marital deduction applies only if the surviving spouse is a US citizen; otherwise, a QDOT (Qualified Domestic Trust) is required. A Brazilian spouse who is not a US citizen faces both Brazilian forced heirship division and US QDOT requirements — a complex intersection requiring specialized planning.

Should I hold US stocks through a non-US entity to avoid US estate tax?

This is a common planning strategy for NRAs: holding US stocks through a foreign corporation so the NRA owns foreign corporate shares (not US-situs) rather than US stocks directly. The IRS is aware of this strategy and has challenged it in some cases, but it remains generally effective when properly structured. The trade-off is potentially higher income tax on dividends (no treaty rate for the foreign entity) and increased compliance costs. This must be analyzed alongside Brazilian ITCMD implications — the foreign entity’s shares may still be subject to ITCMD in Brazil.

What if I renounce US citizenship to avoid US estate tax?

Renouncing US citizenship can eliminate US estate tax on non-US assets, but it triggers the “expatriation tax” under IRC Section 877A if you are a “covered expatriate” (net worth over $2M, average income tax liability over ~$190K for the prior 5 years, or failure to certify tax compliance). The expatriation tax treats all worldwide assets as sold at fair market value on the day before expatriation — potentially creating a massive capital gains tax bill. Additionally, US-situs assets (US real estate, US stocks) remain subject to US estate tax even after renunciation. This is a drastic step that requires careful modeling of the total tax consequences.

How does community property affect the US-Brazil tax split?

Under Brazilian law, the surviving spouse’s meacao (50% of community property) is not part of the estate and is not subject to ITCMD. Under US tax law, community property receives a full step-up in basis at the first spouse’s death (both halves), which is more favorable than the half step-up that applies to jointly held property in common-law states. For Americans in Brazil under comunhao parcial de bens, the community property regime provides advantages on both sides: reduced ITCMD base in Brazil and full basis step-up in the US.

When should I start planning for the US-Brazil estate tax overlap?

Now. The convergence of the 2025 US estate tax sunset and Brazil’s LC 227/2026 progressive rate implementation creates a narrowing planning window. Strategies that work in 2026 — lifetime gifts at current ITCMD rates, use of the higher US exemption, holding company restructuring before market value enforcement — may not be available in 2027. An estate planning consultation identifies which strategies apply to your specific situation and the optimal timeline for implementation.

Why ZS Advogados for US-Brazil Estate Tax Planning?

The US-Brazil estate tax intersection is one of the most complex areas of cross-border tax planning — and one with zero margin for error, because the consequences materialize after death when correction is impossible. Zachariah Zagol, the first American admitted to the Brazilian Bar (OAB/SP 351.356), holds an LL.M. from USC Gould School of Law and has spent over 15 years advising Americans in Brazil on precisely this problem. Zac doesn’t just understand Brazilian ITCMD — he understands Form 706, IRC Section 2014 foreign tax credits, QDOT requirements for non-citizen spouses, and the practical coordination between US estate attorneys and Brazilian inventory proceedings. This dual-jurisdiction fluency is not common; it is the foundation of every US-Brazil estate plan we build.

Book your cross-border tax consultation or read our comprehensive ITCMD guide.