Millions of people with Italian roots lose their right to citizenship.

Key Takeaways

Background

Italy’s emergency decree of late March 2025, designed to restrict longstanding citizenship-by-descent rules, has cleared a major legal hurdle: the Constitutional Court announced it will largely back the government’s measure, rejecting some challenges and finding others inadmissible. Citizenship by descent (jure sanguinis) historically allowed people to claim Italian nationality if any ancestor was alive after Italy’s unification date, March 17, 1861. That broad rule enabled many people with distant Italian ancestry to apply with translations and legalized documents — a process that often took a couple of years.

What the new law requires

The 2025 decree narrows eligibility: applicants must now have been born to a parent or at most a grandparent who was an Italian citizen. Additional substantive requirements include demonstrating Italian language proficiency through a state examination or an accepted certification, and proving at least three years of residence in Italy in most cases. The government frames the changes as a safeguard of national identity and a response to alleged “abuses,” and it has been reported that Italian officials argue many new overseas citizens have little ongoing connection to Italy.

What this means for applicants and families

Practically, millions who had expected to secure citizenship through more distant lineage will lose that pathway. The Ministry of Foreign Affairs said the Italian citizen population abroad rose from 4.6 million to 6.4 million between 2014 and 2024, concentrated largely in Argentina and Brazil — communities now most affected. For people currently in the application pipeline, the decree’s impact is uncertain: applicants and lawyers should watch for implementing regulations and guidance from consulates and the Ministry clarifying whether pending cases will be grandfathered or reassessed under the new rules. In short: if you can trace a parent or grandparent to Italy and can meet the language and residency tests, you may still qualify; if your link is more remote, you likely will not.

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