Country Guides Expat’s Guide to Living in Portugal

Portugal Capital Gains Tax: Rates & Rules for Americans

Portugal Capital Gains Tax Rates at a Glance
How Capital Gains Tax Works in Portugal
U.S. Stocks and Cross-Border Reporting
Real Estate and Property Gains
Primary Residence Reinvestment Relief
Differences Between Residents and Nonresidents
Property Acquired Before 1989
Impact of NHR and IFICI
Temporary Housing Reinvestment Measure (2026–2029)
U.S. and Portuguese Rules Working Together
Year-End Considerations for 2026 and Looking Ahead to 2027
Portugal Capital Gains Tax FAQs

Portugal taxes capital gains, but no single capital gains tax rate applies to every sale. What you pay depends on what you sell, your tax residency, how long you owned the asset, and whether an exemption or reinvestment rule applies.

For Americans living in Portugal, another layer applies: Portugal can tax gains from assets held in the United States, including U.S. stocks, while U.S. citizens continue reporting those worldwide gains on their U.S. tax returns.

Here are the key Portuguese rules for the 2026 tax year and what to plan for as you head into 2027.

Portugal Capital Gains Tax Rates at a Glance

Type of Gain	Portuguese Tax Treatment (2026–2027)
Stocks and other securities	Generally a flat 28% on the net positive balance of gains and losses.
Qualifying securities held over 2 years	Partial exclusion from taxable gain: 10% after 2 years, 20% after 5 years, and 30% after 8 years.
Securities held under 365 days (higher earners)	Mandatory aggregation applies when taxable income reaches Portugal’s top bracket (€86,634 for 2026; subject to annual budget adjustment for 2027).
Real estate	50% of the calculated net gain is included in taxable income and taxed at progressive scale rates.
Primary residence with reinvestment	Full or partial exclusion when sale proceeds are reinvested into a new primary home under statutory rules.
Portuguese property sold by a nonresident	Uses the same 50% inclusion rule and progressive rates, with worldwide income factored in to set the bracket.
Certain nonresident securities gains	Often exempt, subject to exceptions for low-tax jurisdictions and real-estate-heavy entities.
Qualifying IFICI foreign gains	Generally exempt from Portuguese tax under the IFICI regime, excluding pension income and listed blacklisted jurisdictions.
Cryptoassets	Excluded from tax if held for 365 days or longer; short-term holdings follow separate progressive/flat rules.

Key Takeaway: Portugal’s frequently cited 28% capital gains rate mainly applies to investment securities. Real estate sales, long-term holdings, and home sales follow entirely different formulas.

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Timing your transition between the U.S. and Portugal requires coordinated planning and careful execution. Get started with Greenback today to ensure your move-year filings, foreign tax credits, and residency registrations are handled accurately from day one.

How Capital Gains Tax Works in Portugal

In Portugal, capital gains are known locally as mais-valias. Portugal taxes the profit you make when you sell an asset, not the full sale price.

Your Portuguese tax residency is especially important in determining your exposure:

Portuguese tax residents report worldwide income from Portugal and abroad, including foreign capital gains.
Nonresidents are generally taxed only on Portuguese-source income, such as real estate situated in Portugal.

If you are relocating under a residency pathway like the D7 or D8, explore our guide to Portugal visas for Americans to understand how your entry status aligns with your tax profile. To determine whether your physical presence has crossed into full tax liability, review our guide on Portugal tax residency for Americans.

The calculation also depends directly on the asset class. Property sales can receive monetary correction adjustments for inflation and deductions for documented qualifying improvements, while securities have separate rules based on holding periods and total taxable income.

Stocks and Investments

Capital gains from stocks and many other securities are generally subject to a 28% special rate on the net positive balance of qualifying gains and losses for the year. Portuguese residents can also elect aggregation (englobamento) when adding investment gains to general income results in a lower progressive tax rate than the flat 28%.

Long-Term Investment Reductions

Portugal provides a partial exclusion for gains from certain securities admitted to trading and units in qualifying open investment funds held for longer periods:

Held more than 2 but less than 5 years: 10% of the gain is excluded from tax.
Held at least 5 but less than 8 years: 20% of the gain is excluded.
Held at least 8 years: 30% of the gain is excluded.

This mechanism reduces the taxable gain; it does not change the 28% tax rate.

For example, if you realize a €10,000 gain on qualifying shares held for six years, 20% (€2,000) is excluded. The 28% rate applies only to the remaining €8,000, resulting in €2,240 in Portuguese tax instead of €2,800.

When Short-Term Gains Combine with General Income

Some securities gains from assets held for less than 365 days must instead be combined with other taxable income under mandatory aggregation.

For 2026, mandatory aggregation applies when taxable income, including the relevant short-term gain, reaches €86,634, the threshold for Portugal’s ninth and highest income-tax bracket.

Selling a stock within a year does not automatically trigger progressive taxation; your overall taxable income also matters. If your total income remains below that top bracket, your short-term gains still receive the flat 28% rate.

Offsetting Gains with Capital Losses

Portugal generally calculates a net balance of qualifying capital gains and losses realized during the calendar year. If the relevant balance is negative, certain losses can be carried forward for up to five years when you elect aggregation, subject to the applicable asset category and loss-offset rules.

U.S. Stocks and Cross-Border Reporting

If you are a Portuguese tax resident, holding an investment in a U.S. brokerage account such as Charles Schwab, Fidelity, or Vanguard does not keep the gain outside Portugal’s tax system.

Portuguese residents report foreign income, including capital gains from foreign shares, through Anexo J of the Portuguese personal income tax return (Declaração Modelo 3). You must also identify foreign deposit and securities accounts there, including accounts that generated no income during the year. Americans must also report the same sale on their U.S. federal tax return.

Tax Treaty Coordination and the Saving Clause

Under Article 14 of the U.S.-Portugal tax treaty, ordinary gains from securities not covered by the article’s special provisions are generally taxable in the seller’s treaty country of residence (Portugal).

However, the treaty’s saving clause preserves the United States’ right to tax its citizens on worldwide income under U.S. law. To avoid double taxation on the same transaction, Americans generally claim the U.S. Foreign Tax Credit (Form 1116) to offset their U.S. tax liability on that gain with qualifying Portuguese income taxes paid. For a detailed review of these mechanics, consult our U.S.-Portugal tax treaty guide.

Currency Conversion Differences

Portugal and the United States often calculate different gains from the very same transaction because of currency exchange rates:

Portugal measures the transaction in euros, converting your purchase cost and sale proceeds using the exchange rates in effect on each transaction date.
The IRS measures the transaction in U.S. dollars, using the dollar values on the purchase and sale dates.

Because the EUR/USD exchange rate shifts over time, your calculated gain in euros can differ substantially from your calculated gain in dollars. In extreme scenarios, currency fluctuations can create a taxable gain in Portugal alongside a capital loss on your U.S. return, or vice versa.

Real Estate and Property Gains

Portugal doesn’t apply the flat 28% securities rate to an individual’s real estate gain. Instead, property sales follow the 50% inclusion rule.

How the 50% Rule Works

Portugal does not charge a 50% tax rate on property transactions. Instead, 50% of the calculated net gain is included in your taxable income and taxed at Portugal’s progressive personal income-tax rates.

Here is how that calculation works:

Calculated net property gain: €100,000
Taxable portion included (50%): €50,000
Progressive scale rate applied: e.g., an effective bracket rate of 35% on that slice
Final tax assessed: €17,500 (an effective tax rate of 17.5% on the overall €100,000 gain)

How Property Gains Are Calculated

To determine your net taxable gain, apply this basic formula:

Sale Value – Adjusted Acquisition Value – Eligible Expenses = Net Gain

Inflation Adjustment: If more than 24 months passed between buying and selling, Portugal adjusts your original purchase price upward using official monetary correction coefficients (coeficientes de desvalorização da moeda). This reduces your taxable gain by accounting for inflation.
Eligible Transaction Costs: Documented expenses from buying and selling the property reduce your gain. These include transfer tax (IMT), stamp duty (Imposto do Selo), notary fees, registration charges, and real estate agency commissions.
Property Improvements: Documented capital improvements made to the property during the 12 years leading up to the sale can be deducted from the gain. Keep all official invoices (faturas com NIF) that detail these works.

Primary Residence Reinvestment Relief

If the property you sell was your permanent primary residence, Portugal can exclude some or all of the gain if you meet the statutory reinvestment requirements.

The key distinction is that this relief is calculated using the total sale proceeds after repaying any qualifying acquisition loan, not simply the net profit earned.

To qualify for rollover relief:

The reinvestment must occur within 24 months before or 36 months after the date of the sale.
The property sold must have served as your principal residence, confirmed by your Portuguese tax domicile (domicílio fiscal), for at least the preceding 12 months.
The replacement primary residence can be located in Portugal, another European Union member state, or an EEA country with which Portugal maintains tax information exchange agreements.

Partial reinvestment produces proportional relief. For example, if you reinvest 75% of the qualifying proceeds, 75% of your taxable gain is excluded. You must formally declare your intention to reinvest on the Portuguese return for the year in which the sale takes place.

To see how your capital translates into day-to-day purchasing power, rent benchmarks, and household expenses, review our detailed breakdown of the cost of living in Portugal.

Additional Relief for Retirees and People Age 65+

If you are retired or at least 65 years old, you have an alternative reinvestment path. Instead of purchasing another primary home, you can invest qualifying sale proceeds within six months into an eligible life insurance contract, pension fund, public capitalization scheme, or Pan-European Personal Pension Product (PEPP). Some of these products must provide regular periodic payments for at least 10 years and are subject to statutory withdrawal limits.

Differences Between Residents and Nonresidents

A nonresident selling Portuguese real estate now generally falls under the 50% inclusion and progressive-rate system. Portugal considers worldwide income when determining the marginal tax bracket that applies to that 50% slice, even though Portugal does not directly tax your foreign income. This is an essential change from older guidance that described Portuguese property gains of nonresidents as simply subject to a flat 28% rate.

Securities follow different rules. Portugal exempts certain securities gains realized by nonresidents, but the exemption includes important exceptions. It does not apply to shares in companies whose assets consist primarily of Portuguese real estate, nor to investors resident in jurisdictions blacklisted on Portugal’s official list of low-tax territories.

Property Acquired Before 1989

Real estate acquired before January 1, 1989, can qualify for transitional relief because the purchase predates Portugal’s modern personal income tax system (Código do IRS).

This does not mean every pre-1989 property sale is automatically tax-free. Building land, plots that underwent later zoning reclassifications, and properties that experienced significant legal alterations or divisions after 1989 can receive different treatment. Your eligibility depends on the exact title history and acquisition records.

Impact of NHR and IFICI

Legacy Non-Habitual Resident (NHR) Status: Existing beneficiaries of Portugal’s former NHR regime can still receive special treatment on certain foreign-source gains, depending on the asset category, the sourcing rules, and the applicable double-tax treaty.
Tax Incentive for Scientific Research and Innovation (IFICI): Under the IFICI regime (frequently referred to as NHR 2.0), foreign-source income is generally exempt from Portuguese personal income tax, except for pension income and income derived from listed low-tax jurisdictions. Portuguese-source gains do not become automatically exempt simply because you qualify for IFICI; local real estate sales remain subject to standard progressive taxation.

For a comprehensive evaluation of qualifying professions and transition timelines, review our guide to Portugal NHR and IFICI rules.

Temporary Housing Reinvestment Measure (2026–2029)

Separate from the standard primary residence reinvestment rule, a temporary incentive applies to qualifying residential property transfers completed between January 1, 2026, and December 31, 2029.

Under this measure, gains from selling residential property can receive reinvestment relief when the required proceeds are used to purchase residential property in Portugal that is subsequently placed on the long-term rental market under statutory rent controls (Programa de Apoio ao Arrendamento).

To maintain this relief:

The replacement property must enter a qualifying lease agreement within six months of acquisition.
It must remain rented for at least 36 months during the first five years.
It must adhere strictly to statutory municipal rent caps.
It cannot be sold during that initial five-year period.

U.S. and Portuguese Rules Working Together

Americans living in Portugal can have tax reporting obligations in both countries on the very same transaction.

Under Article 14 of the U.S.-Portugal tax treaty:

Real estate is taxable in the country where the property is located.
Securities and personal property are generally assigned for primary taxation to the seller’s treaty country of residence.

Because the U.S. savings clause preserves taxation based on citizenship, dual-country coordination requires careful reconciliation. The U.S. Foreign Tax Credit (FTC) helps prevent double taxation, but you can’t always subtract Portuguese tax dollar-for-dollar from your U.S. liability. The allowable credit depends on:

The specific category and source of the income under U.S. tax law.
The amount of foreign tax actually paid.
U.S. statutory credit limitations calculated on Form 1116.
Gaps created by conflicting euro and dollar gain calculations.

For an end-to-end overview of filing obligations as an American expat in Portugal, see our foundational guide to U.S. expat taxes in Portugal.

Year-End Considerations for 2026 and Looking Ahead to 2027

If you are planning an asset sale late in the year, keep these timing factors in mind:

Annual Loss Netting Cutoff: Portugal calculates the net balance of capital gains and losses strictly on a calendar-year basis (January 1 through December 31). If you want to harvest capital losses to offset gains realized earlier in 2026, those transactions must settle on or before December 31, 2026. On January 1, 2027, the annual netting calculation resets.
Spring 2027 Filing Deadlines: Capital gains realized during the 2026 tax year must be submitted to the Portuguese tax authorities (Finanças) between April 1 and June 30, 2027. Your federal U.S. expat return is due June 15, 2027 (or October 15 with an automatic expat extension).
Tax Bracket Adjustments: Portugal updates its progressive income tax brackets annually through the State Budget. While the top rate threshold is set at €86,634 for 2026, the updated budget in late 2026 will adjust these brackets for 2027 transactions. Keep this in mind when timing real estate closings or large stock liquidations across the new calendar year.

Get Help With U.S. Taxes on Capital Gains in Portugal

Greenback’s expat tax professionals can help you understand the U.S. reporting requirements, Foreign Tax Credits, and treaty rules that apply when you realize capital gains while living in Portugal.

Portugal Capital Gains Tax FAQs

What Is the Capital Gains Tax Rate in Portugal?

There is no universal rate. Stocks and many securities are generally taxed at 28%, while only 50% of most individual real-estate gains enters Portugal’s progressive income-tax calculation. Other rules can apply based on holding period, income, residency, and available exemptions.

Is There an Annual Capital Gains Tax Allowance in Portugal?

Portugal does not use a general annual CGT-free allowance in the same way some countries do. Instead, exclusions and reductions depend on the type of asset and the circumstances of the sale, such as the long-term securities reductions or primary-residence reinvestment rules.

Does Portugal Tax Capital Gains on U.S. Stocks?

Yes, for Portuguese tax residents. Residents generally report worldwide income, including gains from foreign shares, while U.S. citizens generally continue reporting the same transactions to the IRS.

Do Nonresidents Pay Capital Gains Tax in Portugal?

They can. Portuguese property gains are generally taxable even when the seller is nonresident. Certain securities gains can qualify for a nonresident exemption, subject to exceptions.

Is Property Bought Before 1989 Exempt From Capital Gains Tax?

Some property acquired before January 1, 1989 can qualify for transitional relief, but it is not a blanket exemption for every property or every portion of a later sale.

Does Portugal Tax Crypto Capital Gains?

Portugal has separate cryptoasset rules. Under the current regime, qualifying gains from cryptoassets held for 365 days or longer can be excluded, subject to conditions and exceptions.