Cascais, for a high earner.

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

About $503K a year, an effective 50%, which leaves $497K of $1,000,000 on Patrician.ch's 2026 model.

At $300K the effective rate is 45%, and at $3M it is 52%. Income tax on the published 2026 rules. Social contributions, most deductions and treaties are not modeled. In Portugal employees also pay social security at 11% of salary, with no cap. Special regime for arrivals: IFICI, the successor to NHR, gives qualifying new residents a 20% flat rate for 10 years. In figures, the 20% flat rate on qualifying income: about $60K on $300K (20%), $200K on $1M (20%) and $600K on $3M (20%). Every other figure and ranking on this site uses the standard system.

Does Cascais tax capital gains?

Yes. A resident individual in Cascais pays 28% on a gain from listed shares held for 365 days or more, about $280,000 on a $1,000,000 gain. A gain on shares held for less than 365 days is added to income and taxed at the progressive rates once taxable income, the gain included, reaches the top bracket.

The country you leave can still apply its own exit rules to a gain that accrued while you lived there.

Does Cascais have a wealth tax?

No. Portugal levies no general annual wealth tax on a resident's net worth.

Does Cascais have an inheritance tax?

Not for a spouse or children. Portugal charges 10% stamp duty on inheritance, but a spouse, children and parents are exempt.

What a child pays: nothing. Source: Código do Imposto do Selo, current to October 2026. The heir's own residence and the location of the assets can bring another country's tax into play.

How does a foreigner get residence in Cascais?

EU nationals register on arrival.

Others use the D7 for passive income, the D8 for remote work, or the Golden Visa through a €500K fund, real estate no longer qualifies. Citizenship takes 10 years of residence under the law in force since 19 May 2026, 7 for EU and CPLP nationals, and time spent waiting for a permit after applying no longer counts. Routes that matter for money: Residence by investment, Remote work visa, Founder & talent.

What is the cost of living in Cascais?

Cascais scores 74 on the Patrician.ch cost index, where Zurich is 100, and ranks 75 of 100 on cost, 1 being the most expensive.

Safety scores 9 of 10 and schools 8 of 10, with 2,800 sun hours a year. Cost, safety and schools are Patrician.ch editorial indices, not published statistics. Portugal as a whole was forecast a net inflow of 1,400 millionaires for 2025 (Henley, country level).