What changed on 19 May 2026 — and why the filing date can matter as much as the years you have lived in Portugal
Portugal’s 2026 nationality reform did not simply change a five-year rule into a longer wait. It changed the residence clock, added knowledge and civic requirements, changed security/criminal filters, and protected procedures already pending when the reform entered into force.
Nationality planning in Portugal changed materially on 19 May 2026.
The biggest mistake is to read one new headline — ‘10 years’ — and assume that is the whole reform.
It is not.
The first question in a 2026 nationality file is now: which version of the law governs this procedure?
Portugal nationality law 2026 changes: The transition rule comes first
Lei Orgânica n.º 1/2026 entered into force on 19 May 2026. Its Article 7 says administrative nationality procedures that were already pending on that date continue under the previous version of the Nationality Law.
A new application presented after the reform is governed by the new law. That distinction can change the residence period, the proof package and the substantive requirements.
| Procedure position on 19 May 2026 | Rulebook |
|---|---|
| Administrative nationality procedure already pending | Previous version of Lei n.º 37/81 applies to that pending procedure |
| New procedure after entry into force | Lei n.º 37/81 as amended by Lei Orgânica n.º 1/2026 |
Change 1 — ordinary residence naturalisation moved to 7 or 10 years
For ordinary adult naturalisation under Article 6(1), the new residence period is:
7 years of legal residence for nationals of Portuguese-speaking countries and citizens of EU Member States;
10 years of legal residence for nationals of other countries.
The reform therefore does not create one universal 10-year rule.
Change 2 — the old ‘residence-application waiting time’ rule was revoked
The 2024 law had allowed the nationality residence clock to include time elapsed since an application for temporary residence, provided that residence was ultimately granted.
The 2026 reform revoked that Article 15(4) rule.
The current Article 15 instead defines legal residence by regularised status under the relevant immigration/asylum titles and permits aggregation of legal-residence periods within specific maximum windows.
| Applicant group | Minimum residence for ordinary naturalisation | Maximum interval in which qualifying legal-residence periods can be aggregated |
|---|---|---|
| Stateless applicant | Special 4-year naturalisation route | 6 years |
| CPLP national / EU citizen | 7 years | 9 years |
| Other nationality | 10 years | 12 years |
This makes interruptions more important. A person can aggregate non-continuous legal-residence periods, but not across an unlimited historical window.
Change 3 — ‘Portuguese A2’ is no longer the whole integration test
Article 6(1) now requires proof, by test or certificate, of sufficient knowledge of Portuguese language and culture, national history and national symbols.
It separately requires sufficient knowledge of the fundamental rights and duties inherent to Portuguese nationality and the political organisation of the Portuguese State.
The applicant must also make a solemn declaration of adherence to the fundamental principles of the democratic rule of law.
Article 42 examines the proof problem created by this new wording.
Change 4 — ability to support yourself is now explicit
Article 6(1)(i) now requires applicants under ordinary naturalisation to have the capacity to ensure their subsistence.
The statute does not turn nationality into an investment programme. It adds subsistence capacity as a substantive requirement that must be implemented through the nationality procedure.
Change 5 — criminal/security filters were rewritten
After the same-day correction to the law, Article 6(1)(f) uses a specific threshold: a final conviction with effective imprisonment exceeding three years for defined serious categories such as terrorism, violent/highly organised crime, crimes against State security or assisting illegal immigration, where punishable under Portuguese law.
The law also adds security/defence threat screening and UN/EU restrictive-measures screening.
This is materially different from older web summaries that still describe a broad ‘three-year sentence for any crime’ rule.
Change 6 — the reform reaches more than residence naturalisation
The same reform also:
raised the parent-residence condition for one birth-in-Portugal origin route to five years of legal residence at the time of birth;
added new requirements to the grandparent-origin route;
created a route for third-degree descendants (great-grandchildren) of original Portuguese citizens who have at least five years of legal residence in Portugal;
ended the special Sephardic-descendant naturalisation route;
changed adoption from automatic nationality to acquisition by declaration;
changed the opposition framework for nationality acquired by marriage/union.
Articles 43–45 separate the lineage, marriage and birth questions instead of forcing them into one giant nationality guide. For the route-specific test, see Portuguese citizenship by marriage.
The regulation problem as of 29 September 2026
The reform ordered the Government to amend the Portuguese Nationality Regulation within 90 days.
However, the official Diário da República consolidated page for the Regulation still shows its last amendment as 23 July 2025 on the date this article was verified.
That matters most for procedural detail — for example, exactly how the new culture/history/civic-knowledge requirements are tested or certified. The statute is in force; some operational mechanics may still require updated regulation/guidance.
Do not use an old checklist to erase a new statutory requirement.
The 2026 nationality audit
Establish whether your procedure was already pending on 19 May 2026.
Identify the exact nationality route — ordinary residence, grandparent, marriage, birth, special naturalisation, etc.
For residence naturalisation, calculate only qualifying legal-residence periods under the current Article 15 rules.
Do not assume the pre-2026 language-only evidence package satisfies the new Article 6 knowledge requirements.
Check criminal records and security/restrictive-measure issues against the current wording, including the May 2026 correction.
Recheck the Regulation and IRN/Justice guidance immediately before filing because operational implementation is still evolving.
The reform made nationality planning less suitable for generic ‘years + A2 + criminal record’ checklists. The right starting point is now route, transition date, legal-residence history and the current implementing rules.
Sources and further reading
Diário da República — Lei Orgânica n.º 1/2026 — The 2026 reform, transition rule and new substantive requirements.
Diário da República — consolidated Nationality Law — Current Lei n.º 37/81 wording, including Articles 1, 3, 6, 9 and 15.
Diário da República — Rectification n.º 17/2026/1 — Corrects Article 6 criminal threshold to effective imprisonment exceeding three years for the listed serious crimes.
Justice/IRN — New nationality rules enter into force — Official 19 May 2026 summary of major reform effects.
Diário da República — consolidated Nationality Regulation — Official regulation page; as verified 29 September 2026, it lists last amendment as 23 July 2025.
Diário da República — Lei Orgânica n.º 1/2024 — Previous Article 15(4) residence-application waiting-time rule, revoked in 2026.
Featured image: Albarubescens / Wikimedia Commons, CC BY-SA 4.0. Cropped, resized and converted to WebP; adapted image is distributed under CC BY-SA 4.0.
