The Nationality Law Is Now Live

Issue No. 2 What changed on May 19, and what changes to expect by mid-August

May 24, 2026

Someone who filed for naturalization in Lisbon on Monday, May 18 is in a different legal regime than someone who walks into the same AIMA office on Tuesday, May 19 — or any day since. The change took effect at midnight Tuesday morning, Lisbon time. There was no fanfare. There rarely is.

Image: The Assembleia da República (Palácio de São Bento), Lisbon — the seat of Parliament, where the new Nationality Law was passed. Credit: Jose Manuel, via Wikimedia Commons, CC BY-SA 3.0.

Why this issue displaces the planned one

Last Sunday’s preview issue promised the Carnation Revolution this week. That issue is drafted and ready, and it will now publish on May 31. I moved this one ahead of it because the rule the publication exists to explain — the new Nationality Law — entered into force on Tuesday, May 19, 2026, the day after publication in the official gazette (the Diário da República, Portugal’s daily record of every law and official act). Pending applications, the residency clock, the TNIC (Teste Nacional de Integração e Cidadania — the new civic-knowledge exam this publication exists to map), and the political fight over an associated criminal-loss-of-nationality provision are now live questions for real readers. A Brief on the Law is the right instrument when the law itself moves; our History pillar can wait one week.

What follows is the verified chain of how this law arrived, what it actually changes, what protections it carries for applications already in the queue, and what is still unsettled.

The legislative chain, end to end

The 2026 reform did not arrive cleanly. The Assembleia da República (Assembly of the Republic — Portugal’s national parliament, similar to the US Congress, the UK House of Commons, or the Brazilian Congresso Nacional) made a first attempt at the reform: Decreto n.º 17/XVII. In ruling Acórdão n.º 1133/2025, the Tribunal Constitucional (Portugal’s Constitutional Court — the body that reviews whether laws comply with the Constitution, similar in function to the US Supreme Court’s judicial review, the German Bundesverfassungsgericht, or the Brazilian Supremo Tribunal Federal) struck down several of its provisions in preventive review — meaning the Court reviewed the draft law’s constitutionality before it took effect, comparable to a US court ruling on a statute’s validity but in advance of its publication rather than after a case arises. The parliamentary majority rewrote the parts the Court had flagged as unconstitutional and returned with Decreto n.º 48/XVII, approved on April 1, 2026.

President António José Seguro (PS — Partido Socialista, centre-left; official site presidencia.pt) promulgated (formally signed into law, the Portuguese term for a head of state’s final approval) the revised decree on May 3, 2026, attaching an unusually candid message that revisions to the Nationality Law should ideally rest on broader consensus and that pending applicants should not be penalized by the State’s own delays. Prime Minister Luís Montenegro countersigned on May 4. Publication in the Diário da República followed on May 18 as Lei Orgânica n.º 1/2026, de 18 de maio — the legislative vehicle required for amending an organic law such as Lei 37/81. Per its Article 8, it enters into force the day after publication.

President António José Seguro (official photo). Credit: MS2040, via Wikimedia Commons, CC BY-SA 4.0.

A note on Portuguese governance for context as we learn about their government: Portugal is a semi-presidential republic. The President (Seguro, PS / centre-left) is head of state, directly elected, with powers including law promulgation, veto, and Assembly dissolution under defined conditions. The Prime Minister (Luís Montenegro of PSD / Partido Social Democrata — centre-right despite the name, leading the Democratic Alliance coalition) is head of government, nominated by the President based on the parliamentary majority and accountable to the Assembly. When President and PM come from opposing political camps, as they do now, the situation is called cohabitation.

The Nationality Law moved through this cohabitation: passed by the Montenegro-led AR coalition, then promulgated by Seguro — both branches had to act, despite their political differences.

The short version: Portugal’s Constitutional Court forced a rewrite of the original 2026 nationality bill, Parliament rewrote it, the President signed the new version on May 3, and it was published on May 18. It became law on May 19 — the day before this issue published.

What the law actually changes

The most consequential change is the residency clock. New Article 6.1.b) of Lei 37/81 sets the qualifying residency period at seven years for nationals of CPLP countries (the Comunidade dos Países de Língua Portuguesa — the community of Portuguese-speaking countries, which includes Brazil, Cape Verde, Angola, Mozambique, and others; CPLP citizens get a faster residency clock because of shared language and historical ties) and EU member states, and ten years for nationals of all other countries, replacing the prior five-year baseline. The clock counts legal residence, allowing separated (not necessarily continuous) periods within a window of six, nine, or twelve years depending on the applicant’s status.

Naturalization also now requires (per the new Article 6.1.c–e) that the applicant demonstrate sufficient knowledge of Portuguese language, culture, history, and national symbols; sufficient knowledge of fundamental rights and duties and the political organization of the State; and a solemn declaration of adherence to the principles of the democratic rule of law. The first of those is the doorway through which the TNIC — the civic exam this publication exists to map — will be administered. Its precise format remains the subject of the implementing portaria (a Portuguese ministerial regulation that fills in operational detail the underlying statute leaves to the executive — similar to a US federal agency rule under the Administrative Procedure Act, or a UK statutory instrument) (the detailed regulation that fills in how the law actually operates, similar to how a US federal agency publishes regulations implementing a statute Congress passed) due from the Government within 90 days of publication, i.e. by approximately August 16, 2026.

The point is not that Portugal is now strict; it is that Portugal has changed its mind about how integrated a candidate should be before the State extends a passport.

Nor is the test architecture itself a Portuguese invention. A parallel language exam plus a civic-integration exam is already the citizenship-acquisition pattern in Denmark, Luxembourg, Spain, Finland, Austria, and France — the company Portugal is joining, not departing from.

The short version: The residency clock for naturalization goes from five years (the old rule) to seven years for CPLP/EU citizens and ten years for everyone else. On top of that, applicants must now pass a civic-knowledge exam (TNIC), pass a Portuguese-language exam (CIPLE), and sign a solemn declaration. The exact format of the civic exam will be set by an implementing regulation expected by mid-August.

The carve-out that matters today

Article 7 of Lei Orgânica 1/2026 is the transitional clause. It reads in substance: to administrative procedures pending on the date of entry into force of the present law, the prior version of Lei 37/81 applies. Translation: applications already filed with AIMA (the Agência para a Integração, Migrações e Asilo — the Portuguese immigration agency that processes naturalization files) on the basis of the five-year residency rule run to completion under that rule. The new thresholds bite for procedures initiated from today forward.

That distinction is straightforward in principle and will be litigated at the margins in practice. Two questions I’ll be watching.

Question 1: What counts as a “pending” procedure — a fully assembled file? a filed application acknowledged by AIMA? a scheduled appointment? The line between “in the queue” and “not yet in the queue” will get tested in the first cases.

Question 2: How does the State’s own administrative slowness — which the President’s May 3 statement specifically flagged — interact with the protection the transitional clause is meant to confer? An applicant who filed eighteen months ago but has not yet been processed shouldn’t lose the benefit of the prior law because the State took its time.

I will be watching the implementing portaria for clarification on both questions, and the first administrative court cases as they surface. When either land, we will cover them.

The short version: Applications already filed with AIMA before May 19 continue under the old five-year rule. Applications filed from May 19 forward must meet the new seven-or-ten-year rule. Two edge cases — what counts as “filed,” and what happens when AIMA itself causes delays — will be tested in practice.

An issue watch item: the Golden Visa challenge

A group of more than five hundred Golden Visa holders, predominantly American, announced around May 11 their intention to challenge the new Nationality Law at the Tribunal Constitucional and, if necessary, at the European level. Reported by The Portugal News on May 11. No pleading is on the public docket yet; when one is filed and a case number assigned, we will link to it here in a future issue. This is context for now, not yet news, and we will follow it.

Synthesis

Issue 01 laid out the four pillars the TNIC will cover. This week’s issue lands inside Pillar 4 — Fundamental Rights and Duties — because the Nationality Law is, at bottom, the State’s answer to who counts as a citizen and on what terms. The reform is best understood as the first layer of a regime that will be filled in by an implementing portaria, by AIMA operational guidance, and by court rulings over the next year or two. My job is to map each layer for as it lands, in plain language, with the primary source attached.

Memory Aid

Cause → Event → Effect Chain

This learning technique chains cause → event → effect so the rule stays anchored to the story that produced it.

For Issue 02, the chain in our story runs in five links.

• Link 1. The Tribunal Constitucional rules Decreto 17/XVII unconstitutional in Acórdão 1133/2025.

• Link 2. Parliament rewrites the unconstitutional parts and approves Decreto 48/XVII on April 1, 2026.

• Link 3. President Seguro promulgates the revised decree on May 3, 2026.

• Link 4. The law is published in the Diário da República as Lei Orgânica 1/2026 on May 18.

• Link 5. It enters into force the day after publication: May 19. The regime Portugal now lives under.

Issue Recap

• The Nationality Law is in force as of May 19, 2026 (Lei Orgânica n.º 1/2026, de 18 de maio).

• Residency thresholds for naturalisation: 7 years for CPLP/EU nationals, 10 years for others (new Article 6.1.b).

• Pending administrative procedures stay under the prior law (Article 7 transitional clause).

• The implementing portaria — including the TNIC format — is due by approximately August 16, 2026.

• Decreto 49/XVII (the criminal-loss-of-nationality companion) has been vetoed and is back in the Assembly. Two-thirds majority required for override.

Practice It

1. After the 2026 change, citizens of Portuguese-speaking (CPLP) countries and the EU can apply for naturalization after how many years of residency? (a) 7 years (b) 5 years (c) 10 years

2. Besides the new TNIC civic test, what language requirement must applicants meet? (a) B2 advanced Portuguese (b) No language requirement (c) A2 basic Portuguese

3. What is the name of the new civic-knowledge test required for citizenship? (a) CIPLE (b) TNIC (c) CCSE

4. Which agency, created in 2023, replaced SEF and now handles citizenship applications? (a) PIDE (b) SNS (c) AIMA

How did you do? The answers — to this issue and every future issue's questions— are free on our Practice Answers page to all subscribers. No need for a paid subscription, just hit FREE instead.

Coming next Sunday

Issue 03, May 31, 2026: The Carnation Revolution — How Forty-Eight Years of Dictatorship Ended in a Day. The issue bumped this week, picked up on schedule. Pillar 1 — History.

Did you know that at 00:25 on the morning of April 25, 1974, a Lisbon radio station broadcast a folk song that had been banned by the regime — and the people who heard it knew exactly what it meant? Within eighteen hours, forty-eight years of dictatorship were over. And the name “Carnation Revolution” came from civilians who placed red carnations in the barrels of the soldiers’ rifles. There is much more to the story than the textbook version. See you next Sunday.

This issue describes Portuguese law as we read it. It is not legal advice. Every applicant’s situation is different; consult a licensed Portuguese immigration attorney for advice on your specific case.

The work continues. — Chris, Aspiring Lusitano