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Portugal Nationality Law Ruled Unconstitutional: December 2025 Court Decision Explained

Portus Capital Research
16 min read
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Key Takeaways

  • Portugal's Constitutional Court struck down 4 of 7 contested provisions in the nationality law reform on December 15, 2025, blocking the law from taking effect
  • The proposed 10-year residency requirement was upheld, but key restrictive provisions were deemed unconstitutional for violating proportionality and legal certainty principles
  • The current 5-year citizenship timeline remains in effect for all applicants until Parliament revises and re-approves a constitutional version
  • Over 700,000 pending nationality applications continue under existing rules, providing temporary relief to Golden Visa investors and long-term residents
  • Parliament must now revise the rejected provisions through a new legislative process, likely delaying any changes until mid-2026 at the earliest

The Constitutional Court Ruling

Portugal's Constitutional Court delivered a decisive ruling on December 15, 2025, declaring four key provisions of the revised Nationality Law unconstitutional. The decision followed a preventive constitutional review request filed by the Socialist Party (PS) in November 2025, utilizing a constitutional mechanism available when at least 46 of Portugal's 230 MPs petition for scrutiny of changes to organic laws.

President of the Constitutional Court José João Abrantes delivered the ruling, with judges reaching unanimity on three of the four provisions. The court's decision prevents the entire reform package from entering into force, despite Parliament having approved it on October 28, 2025, with 157 votes against 64 opposing votes.

Court Decision Breakdown

Provisions Reviewed

4 Struck Down
3 Upheld

What Remains Valid (5-Year Rule)

The current 5-year framework continues. The April 2024 rule allowing residency to count from application submission date also remains in effect.

What Was Upheld (Future Threat)

The 10-year requirement was not struck down - Parliament could implement it for future applicants once other provisions are fixed.

Which Provisions Were Struck Down

1. Automatic Criminal Conviction Bar

Would automatically deny citizenship to anyone convicted of a crime punishable by 2+ years imprisonment.

Court ruling: Ruled a "disproportionate restriction" of the fundamental right to citizenship.

2. Vague "Manifest Fraud" Language

Would prevent nationality consolidation for undefined "manifest fraud" cases.

Court ruling: Failed to specify what constitutes fraud, violating legal clarity requirements.

3. Undefined "Rejection of Community"

Would allow cancellation of nationality for vague "rejection of national community" behaviors.

Court ruling: Unconstitutionally vague, could lead to arbitrary enforcement.

4. Retroactive Application

Would assess pending applications under new requirements rather than rules at submission.

Court ruling: Violated principles of legal certainty and protection of legitimate expectations.

5. Loss of Nationality as Criminal Penalty (Penal Code)

A separate ruling unanimously struck down the provision establishing loss of nationality as an accessory penalty for serious crimes - found to breach proportionality and equality principles.

Why These Were Unconstitutional

Proportionality Principle

Restrictions on citizenship went far beyond what is constitutionally acceptable. Automatic denial for criminal convictions and loss of nationality as penalty were disproportionate.

Legitimate Expectations

The state must respect expectations of those who relied on existing laws. Changing rules for pending applications "altered the rules midway" for those who trusted the system.

Legal Certainty & Clarity

Terms like "manifest fraud" and "rejection of national community" failed to meet constitutional standards - too vague, leaving room for arbitrary interpretation.

Current Legal Status

5-Year Rule Remains in Effect

As of December 20, 2025, Portugal's nationality law remains unchanged from its pre-October 2025 status. The current framework continues to govern all citizenship applications:

5 years of legal residency required
Portuguese language proficiency (A2 level)
No serious criminal record
Connection to Portuguese community
Residency counts from application date (April 2024 rule)
700,000+ pending applications protected

Timeline of Events

Apr 2024

Favorable rule: residency counted from application

Oct 28, 2025

Parliament approves reform (157-64 vote)

Nov 13, 2025

Socialist Party files constitutional review

Dec 15, 2025

Constitutional Court strikes down 4/7 provisions

Dec 18, 2025

Parliament enters holiday recess

Jan 2026

Parliament expected to resume

Mid-2026

Revised law possible earliest (estimated)

Impact on Pending Applications

Golden Visa Investors

More than 20,000 investors await AIMA appointments extending into 2026. The ruling ensures their applications will be assessed under the favorable 5-year rule.

Long-Term Residents

Foreign nationals on work permits, family reunification, or other authorizations continue on the 5-year pathway with full protection of legitimate expectations.

What Happens Next

Option 1

Revise and Resubmit

Parliament amends the unconstitutional provisions and submits a revised law. Most likely path - requires full new legislative process.

Most Likely
Option 2

Two-Thirds Override

Parliament could confirm legislation with 154+ votes despite objections. Unprecedented and would trigger political controversy.

Option 3

Abandon Reform

Leave the current 5-year framework permanently in place. Least likely given the broad coalition that supported reform.

Realistic Timeline

A revised nationality law is unlikely to take effect before mid-to-late 2026. Parliament's holiday recess, presidential election disruptions, required legislative procedures, and potential for additional constitutional review all extend the timeline.

Legal Framework Comparison

AspectCurrent LawProposed (Blocked)
Residency Requirement5 years10 years
Counting FromApplication datePermit issuance
Criminal BarCase-by-caseAutomatic (2+ yr)
Pending AppsProtectedNew rules apply
GV Timeline5-9 years12-14 years
Status✓ In Effect✗ Blocked

What Investors Should Do Now

1

Apply Under Current Rules

If you meet the 5-year requirement, submit your nationality application immediately. Applications filed now are protected by the Constitutional Court ruling.

2

Document Your Timeline

Maintain detailed records of all application dates, AIMA correspondence, and permit renewals. Comprehensive documentation is essential for future disputes.

3

Monitor AIMA Processing

Stay proactive with appointments and renewals. Processing delays extend into 2026 - maintaining legal status protects your citizenship timeline.

4

Seek Legal Advice

Consult a Portuguese immigration attorney for your specific situation, especially if approaching the 5-year threshold or with pending applications.

Frequently Asked Questions

Can I still apply for Portuguese citizenship under the 5-year rule?

Yes. The current 5-year residency requirement remains fully in effect. The Constitutional Court's ruling blocked the proposed changes, meaning all eligibility criteria in place before October 2025 continue to govern citizenship applications.

What is the legal status of applications submitted before the ruling?

All applications submitted before December 15, 2025 continue under the existing 5-year framework. The Court ruled that changing requirements for pending applications violates constitutional principles of legal certainty and protection of legitimate expectations.

How long until Parliament passes a revised nationality law?

A revised law is unlikely to take effect before mid-to-late 2026. Parliament must draft amendments, conduct committee review, hold debates, and secure a new approval vote. Holiday recess and the presidential election will cause additional delays.

Does this ruling affect Golden Visa holders differently?

The ruling applies equally to all nationality applicants. However, Golden Visa investors face unique challenges due to AIMA delays, with 20,000+ investors awaiting appointments extending into 2026. The ruling ensures their time counts under existing rules.

Will the 10-year requirement eventually take effect?

Possibly, but not for current residents or pending applicants. The Court upheld Parliament's right to implement 10 years for future applicants, but any revised law must include transitional provisions protecting those under the 5-year framework.

Conclusion

Portugal's Constitutional Court ruling represents a pivotal moment for the country's nationality law framework and provides crucial protection for investors and residents who have built their lives and plans around existing citizenship pathways. By striking down four key provisions while upholding others, the court has established clear constitutional boundaries that will shape any future reform attempts.

The extended parliamentary process and potential for additional constitutional review mean that the current favorable window may remain open well into 2026. Investors who act promptly to file applications under the 5-year requirement will benefit from constitutional protections even if Parliament eventually passes a revised 10-year framework.

Protect Your Citizenship Timeline

Speak with our team to understand how the Constitutional Court ruling affects your specific situation and investment timeline.