Portugal's 1.6M Foreign Resident Recount Complicates 2027 Budget Draft

Key figures — as of 2026-08-02: Portugal's resident population revised to 11,424,031 as of 31 December 2025 — up from a previously reported 10,749,635 for 2024 — after INE added 1,597,539 foreign residents, versus just 177,557 counted a year earlier — foreign nationals now 14.0% of the population, having more than doubled since 2021 (+849,384 people) — the 2027 State Budget (OE2027) is being drafted on the older, lower figures because the official national accounts revision isn't due until later this year.

A statistical gap the Treasury can't yet close

Portugal's Finance Ministry is preparing the 2027 State Budget with a population figure officials already know is wrong. The recent upward revision to Portugal's resident population by INE could alter nominal GDP figures, yet the Ministry of Finance will build the 2027 State Budget proposal using currently available data, without waiting for the official revision of national accounts. That gap between what INE now says is true and what the Treasury is actually budgeting against is the story here — and it lands squarely on the desks of anyone in Portugal filing taxes, using the SNS, or renting a flat.

The scale of the miss is what makes it newsworthy. According to the 2025 resident population estimates, presented on 22 June 2026 and including revisions to figures for the period between 2021 and 2024, the population in Portugal stands at 11,424,031 — higher than the figure presented last year for 2024 (10,749,635). In 2024, instead of the 1.6 million foreign residents now recorded, INE had counted only 177,557 people. That's not a rounding error; it's a population INE had simply failed to see.

Why foreigners moved the needle

The resident population of foreign nationality, as of 31 December 2025, was estimated at 1,597,539 people, representing 14.0% of the total resident population, and since 2021 has more than doubled — an increase of 849,384 people, plus 6.9 percentage points. Immigration Minister António Leitão Amaro had flagged this coming months earlier, calling the recalculation a "brutal and brutally complex operation" involving cross-referencing multiple administrative databases. The knock-on effects are already visible elsewhere in government data: foreign pupils in public schools increased from 40,000 to 70,000, primary healthcare consultations involving foreign citizens rose from 326,000 to 1.4 million, and foreign patients registered with the SNS increased from 328,000 to 871,000.

GrowIN's read on the numbers

Here's the calculation that matters for anyone budgeting alongside the state: the revised population is roughly 6.3% larger than the figure the Treasury had been planning around for 2026. Applied mechanically — before any parallel upward revision to nominal GDP — that same arithmetic would push calculated GDP per capita down by a similar margin, and stretch every per-resident ratio (health spending, school places, housing stock) thinner than officials had assumed. Whether that shows up as tighter public services or gets offset by upward GDP revisions is exactly what economists warned ECO the 2027 draft can't yet answer.

"Portugal is about to write a national budget for a country that, statistically, didn't exist eleven months ago," says GrowIN Portugal Editorial.

What this means in practice

For foreign residents, the immediate risk isn't a sudden policy change — it's uncertainty baked into the 2027 numbers before they're even published. Economists cited by ECO warned the outdated assumptions could affect indicators from the public debt ratio to employment-linked policy targets, describing the situation as producing "the budget that's possible rather than the budget that's desirable". Areas to watch: healthcare and school capacity planning (now visibly under-provisioned against the real population), housing policy debates that have used population figures as a baseline, and any future recalibration of AIMA processing targets given how far official counts had drifted from AIMA's own registrations. AIMA's own October 2025 data had already put registered foreign citizens at 1,543,697 by the end of December 2024 — closer to the truth than INE's contemporaneous figure, and a reminder that immigration agency data was ahead of the national statistics office throughout this period.

What to watch next

The full national accounts revision, which will formally fold the new population baseline into GDP and debt calculations, isn't expected until after the OE2027 draft is delivered to parliament in October. Expect a second round of headlines once that lands — and likely a mid-cycle correction to 2027 budget assumptions once it does. For now, foreign residents navigating tax residency, NIF registration or social security contributions should assume the rules on paper haven't changed, even if the country counting them has quietly gotten much bigger. For background on registering as a resident and understanding how these figures intersect with tax obligations, see our tax & NIF hub.

Portugal's budget planners are, in effect, working from last year's map of a country that has already moved.