Portugal — NHR (183-Day Tax Residency)

Summary

Day threshold

More than 183 days

Window

Any 12-month period starting or ending in the year

Becomes resident on

Day 184

Day definition

Any day including an overnight stay

Also triggers

A home suggesting habitual residence, on any day of the period

Classic NHR

Closed to new entrants from 1 January 2024

Successor

IFICI — 20% rate for 10 years, eligible activities only

Basis

CIRS, Artigo 16.º; EBF, Artigo 58.º-A

Authority

Autoridade Tributária

You become a Portuguese tax resident once you have spent more than 183 days in Portugal — consecutive or not — in any 12-month period that starts or ends in the tax year. Day 184 is the trigger. That residency is the gateway to Portugal's preferential regimes: the classic Non-Habitual Resident (NHR) regime, now closed to new entrants, and its successor IFICI. A home in Portugal held as your habitual residence can make you resident on far fewer days.

Who it applies to

This matters most if you are:

• A researcher, startup employee, or qualified professional moving to Portugal and hoping to access IFICI.
• Someone who believes they fall within the NHR transitional rules and needs to confirm their residency start.
• A remote worker or retiree whose Portuguese stays straddle 31 December.
• Someone who keeps a home in Portugal while living or working partly abroad.

It applies to individuals regardless of nationality — Portuguese tax residency is about presence and habitual housing, not citizenship or visa status.

The rule — and why it exists

Article 16 of the Código do IRS (CIRS) decides who is resident. Two limbs matter here:

• 16(1)(a) — the day test. Residents are those who “hajam nele permanecido mais de 183 dias, seguidos ou interpolados, em qualquer período de 12 meses com início ou fim no ano em causa” — stayed more than 183 days, consecutive or interpolated, in any 12-month period beginning or ending in the year in question.
• 16(1)(b) — the home test. Someone who stayed for less time is still resident if, on any day of that period, they have “habitação em condições que façam supor intenção atual de a manter e ocupar como residência habitual” — accommodation held in conditions implying a current intention to keep and occupy it as a habitual residence.

Article 16(2) counts “qualquer dia, completo ou parcial, que inclua dormida” — any day, whole or partial, that includes a night spent in Portugal. Article 16(3) makes you resident from the first day of your stay.

The regimes on top. Classic NHR offered preferential treatment for 10 consecutive years to people who became resident without having been resident in any of the previous five years. Lei n.º 82/2023 repealed it from 1 January 2024, with transitional rules, and created IFICI in Article 58.º-A of the Estatuto dos Benefícios Fiscais: a 20% special rate on net employment and self-employment income from eligible activities for 10 consecutive years, for people who become resident under Article 16(1) and (2) and were not resident in any of the previous five years.

Why the window matters: because the day test looks at any 12-month period starting or ending in the year, a stay cannot escape it by being split between two calendar years. Both incentive regimes also require that you were not resident in any of the previous five years.

Counting the days

1. 1A day counts only if it includes a night spent in Portugal — a day trip with no overnight stay is not a presence day.
2. 2Days need not be consecutive; every qualifying day in the window adds to one total.
3. 3The window is any 12-month period that begins or ends in the tax year, so days either side of 31 December combine.
4. 4Residency attaches once the total exceeds 183 — on day 184.
5. 5Once you cross the line, you are resident from the first day of that stay, not from day 184.

Bounded's Portugal NHR counter counts the midnights you spend in Portugal over any 12-month period, measured by the calendar from the day after the same date a year back, and marks the goal as reached on day 184, the statutory line. A day trip, or the day you leave after your last night, does not count, so the tally can run a little below the official one but never reaches 184 before it. Because the window rolls across 31 December, a cross-year stay like the one in the example below is caught. Keep accommodation records, since it is the overnight stays you may need to prove.

Examples

Example 1 — resident by days within one year

Ana moves to Lisbon in February and stays through the autumn, sleeping about 250 nights in Portugal that year. She crossed 183 on day 184 and is resident from the day she arrived. If she was not resident in the previous five years and her job is an eligible IFICI activity, she can apply for IFICI.

Example 2 — the cross-year stay

Ben spends every night in Portugal from 1 September to 15 March. That is 122 days in the first calendar year and 74 in the second (with a 28-day February) — neither year alone exceeds 183. But the 12-month window from 1 September holds all 196 days. His 184th day is 3 March, and from then on he is resident from 1 September of the previous year. A calendar-year count would never have flagged him.

Example 3 — exactly 183 days

Clara sleeps exactly 183 nights in Portugal in a 12-month period and keeps no home there. The statute requires more than 183, so she is not resident on days — and cannot use residency in that period as the basis for IFICI.

Example 4 — under 183 days but still resident

David spends only about 120 nights in Portugal but keeps a furnished apartment there with his belongings, available to him year-round. If it is held in conditions suggesting he intends to keep and occupy it as his habitual residence on any day of the period, Article 16(1)(b) makes him resident despite the low count.

Exceptions & edge cases

• NHR transitional rules. Article 236 of Lei n.º 82/2023 keeps classic NHR for people already registered, people resident under Article 16 by 31 December 2023, and people who became resident by 31 December 2024 holding a qualifying document within that document's own deadline (31 December 2023 or 10 October 2023, depending on the document) — plus their household members.
• IFICI exclusions. IFICI is not available to anyone who benefits or has benefited from NHR, or who opted for the Article 12.º-A regime for returning residents, and it can be used only once.
• Registration deadlines. Portaria n.º 352/2024/1 (Article 2(1)) makes IFICI applications due by 15 January of the year after you become resident, filed with the body the Portaria assigns to your activity, for example FCT, AICEP, IAPMEI, the Agência Nacional de Inovação, Startup Portugal or the Autoridade Tributária itself. If you register late, Article 58.º-A(7) applies the regime from the year of registration for the rest of the 10-year period — a real risk in cross-year cases where residency is only confirmed months later.
• Resident the year before. If you were resident on any day of the previous year, Article 16(3) treats you as resident from 1 January of the year you meet the test, not from your arrival.
• Double-taxation treaties. If you are resident in two countries, the relevant treaty tie-breaker (permanent home → centre of vital interests → habitual abode → nationality) assigns a single treaty residence and divides taxing rights.

Common misconceptions

• "NHR is still open like it used to be." False — classic NHR closed to new entrants from 1 January 2024; only transitional cases and the narrower IFICI remain.
• "183 days makes me resident." No — the statute says more than 183. Day 184 is the trigger.
• "The count resets on 1 January." Not for the statute — any 12-month period starting or ending in the year counts, so a stay straddling New Year is one block.
• "Staying at 183 days or fewer always keeps me non-resident." Not if you keep a home in Portugal held as your habitual residence.
• "NHR means I pay no tax." Neither NHR nor IFICI is a blanket exemption; they give preferential treatment to certain income for a limited period.
• "Residency and NHR are the same step." They are two steps — first become a tax resident, then separately register for the regime: with the Autoridade Tributária for classic NHR, and for IFICI with the body responsible for your activity under Portaria n.º 352/2024/1.

Related: if your goal is the opposite — staying under the line to avoid Portuguese residency — see Portugal tax residency (183 days in any 12 months).

Frequently asked questions

Sources

• Autoridade Tributária e Aduaneira — Código do IRS, Artigo 16.º (Residência)
• Autoridade Tributária e Aduaneira — Estatuto dos Benefícios Fiscais, Artigo 58.º-A (IFICI)
• Autoridade Tributária e Aduaneira — Código do IRS, Artigo 16.º (redação até dezembro de 2023, regime RNH)
• Autoridade Tributária — Register as a Non-Habitual Resident
• Autoridade Tributária — Getting started in Portugal (tax residency)
• Diário da República — Lei n.º 82/2023 (State Budget 2024), Artigo 236.º (NHR transitional rule)
• Autoridade Tributária — Portaria n.º 352/2024/1 (IFICI registration by 15 January)
• Autoridade Tributária — FAQ: IRS > Incentivo Fiscal (IFICI)