Cascais, Portugal
🇵🇹 Tax calculator · current to September 2026

Income tax in Portugal, on your number.

Enter your income. The 3 addresses in Portugal recalculate: the tax, the effective rate, what is left, and the rank among 100 places.

In short, current to September 2026

  • On $1M a year, Cascais keeps $492,386 after 51% income tax, the same at each of the 3 addresses.
  • Cascais ranks 97 of the 100 places on the board on what is left of $1M, level with 2 others.
  • A resident pays about 28% on a capital gain in Portugal. Portugal carries no annual wealth tax at any of the 3 addresses.
  • Portugal runs a regime for new arrivals: IFICI, the successor to NHR, gives qualifying new residents a 20% flat rate for 10 years.

Each address on this page was last checked against its sources between and . The sources for each are named on its page and in the record.

Source: the Patrician.ch board, an original ranking of 100 residence addresses across 47 countries and territories. Tax rates, thresholds and routes are sourced. Cost, safety, schools, sun and beauty are Patrician.ch editorial indices. Figures current to September 2026. Updated . Cite as: Patrician.ch, Portugal income tax calculator 2026: 3 addresses, $300K to $10M, patrician.ch/calculator/portugal/, September 2026.

On $1,000,000 a year, Cascais leaves you $492,386 after 51% income tax. That ranks 97 of 100 places.

Rank of 100AddressIncome taxEffectiveYou keep
97Cascais$507,61451%$492,386
97Lisbon$507,61451%$492,386
97Quinta do Lago$507,61451%$492,386

Income tax only, single filer, indicative 2026 headline rates, built for incomes from $300,000 to $10,000,000 and converted at the board's reference rates. Places level on what is left share a rank. Where an address is modeled on its regime for new arrivals, its page names the regime. Published comparison research, not tax, legal or immigration advice.

By income

Effective income tax at each address.

Address$300K$1M$3M$10MKept of $1M
Cascais46%51%52%53%$492,386
Lisbon46%51%52%53%$492,386
Quinta do Lago46%51%52%53%$492,386

Beyond income tax.

A resident pays about 28% on a capital gain in Portugal. Portugal carries no annual wealth tax at any of the 3 addresses. Spouse and children exempt. Portugal charges 10% stamp duty on inheritance, but a spouse, children and parents are exempt.

Portugal for high earners: every address ranked · Leaving Portugal: the exit tax · All 100 places in one calculator

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Questions

The short answers.

How much income tax does a $1M earner pay in Portugal?

51% effective on the Patrician.ch 2026 model, $507,614 of tax, so $492,386 is kept at each of the 3 addresses.

Single filer, income tax only, before social contributions. Cascais ranks 97 of the 100 places on the board on what is left.

What is the income tax rate in Portugal at $300K, $3M and $10M?

Effective income tax is 46% on $300,000, 52% on $3,000,000 and 53% on $10,000,000, across the 3 addresses.

Those are effective rates, the tax divided by the income, on the same single-filer model.

How is a US citizen taxed on income in Portugal?

The US taxes its citizens wherever they live. With US citizen ticked, the calculator charges the higher of the tax in Portugal and the US federal tax on the same income.

On $1M at Cascais that comes to $507,614, 51% effective. State tax, credits and treaty relief are not modeled.

Does Portugal have a tax regime for new arrivals?

Portugal runs a regime for new arrivals: IFICI, the successor to NHR, gives qualifying new residents a 20% flat rate for 10 years.

Where an address is modeled on its regime, its page says so.

What does the calculator leave out?

Social contributions, most deductions, wealth tax, capital gains and treaties. It is built for incomes from $300,000 to $10,000,000.

Amounts convert at the board's fixed reference rates, EUR 1 to $1.14.

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Your position, not the average

This page is the general case. Your income and passports rank all 100 differently.

The engine takes what you earn and what you hold, then orders every address on the board against it.

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The general case, ranked: Where should high earners live in 2026 · Best country to live in if you are rich · Best countries for high earners after tax · Europe · United States · Americans moving abroad · Tax calculator · Keep Index 2026 · Rankings

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Tax figures use a simplified marginal model with indicative 2026 brackets for a non-US single filer, ignore social contributions, most deductions, wealth taxes, and treaties, and are not advice. Residence rules change often. Verify before acting.

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