Taxes for expats: the honest basics

Nobody moves to Lisbon for the tax system, but plenty of people get surprised by it. Here's the map — enough to plan with, and to know when to stop DIY-ing and hire a professional.

When you become tax-resident

Spend more than 183 days in Portugal in any 12-month window — or keep a home here that looks like your habitual residence — and you're tax-resident. From that point Portugal taxes your worldwide income, not just what you earn locally. This isn't optional and it isn't something you elect; it happens to you. The practical step is updating your address with Finanças (morada fiscal), because the date on file is what the tax office uses.

What you'll pay

Portuguese IRS (personal income tax) is progressive, running from about 13% on the first slice to 48% at the top, plus a solidarity surcharge on very high incomes. Salaried income is withheld at source like most of Europe. The tax year is the calendar year, and the annual return is filed between April and June for the previous year. Married couples and de-facto partners can file jointly, which often helps.

NHR is gone — IFICI is the successor

The famous Non-Habitual Resident regime closed to new applicants; if you read a blog post promising "10 years of 20% tax and tax-free foreign income for everyone", it's out of date. The successor — IFICI, informally "NHR 2.0" — still offers a 20% flat rate on Portuguese employment and self-employment income for up to 10 years, plus exemptions on most foreign-source income, but only for eligible professions and activities: research, higher education, certified startups, and a list of qualified/high-value roles. Foreign pensions are not exempt under IFICI. If you might qualify, this is worth real money — and it's exactly the kind of application you pay an advisor to get right the first time, because you register for it after becoming resident, with a deadline.

Freelancers: the simplified regime

Most freelancers open atividade and land in the regime simplificado (default below €200k of annual revenue). The headline: for most services, you're taxed on 75% of your income — the other 25% is assumed to be expenses, no receipts needed (a part of that assumed slice does need to be justified with actual expenses once you're past the early years). Below roughly €15k/year of revenue you're exempt from charging VAT; above it, you charge 23% and file VAT returns. Invoicing happens through recibos verdes on the Finanças portal — every payment, every time.

Social security

Employees: 11% comes off your payslip, your employer pays 23.75% on top, and you never think about it. Freelancers: after a 12-month exemption for new registrations, you file quarterly declarations and pay roughly 21.4% on 70% of your services income. The quarterly filing is the one freelancers forget — the exemption ends silently and the obligation starts without a letter.

Double-taxation and the home-country question

Portugal has treaties with most countries, so the same euro generally isn't taxed twice — but treaties decide which country taxes what, not that you skip tax. US citizens: you file in both countries regardless; get an accountant who handles US–PT specifically. UK, Canadian, Australian readers: your pension and investment accounts each have their own treaty quirks. The pattern is always the same — the rules are navigable, and the cost of navigating them wrong compounds.

What to actually do

1. Before you're resident: understand what becoming Portuguese tax-resident does to your investments and any business you own. Some restructuring is only possible before the 183 days.
2. On arrival: keep your morada fiscal current, and check IFICI eligibility immediately — the registration window is not generous.
3. If you freelance: open atividade properly, calendar the quarterly social-security dates, and pay a contabilista certificado €50–150/month. It is the best subscription you will buy in Portugal.
4. Every spring: file the IRS return April–June. The portal pre-fills most of it for employees; freelancers and anyone with foreign income should not file alone the first year.