French Citizenship: New Rules from 2026

Among the first questions for new arrivals in France is always the same: how’s your French? Whether about daily conversations, lessons, or confidence in getting by, the language factor is at the heart of adapting to life here.

Now, it’s also at the heart of major reforms. From 1st January 2026, the French naturalization process will change significantly, with stricter language and civic requirements for anyone applying for nationality by decree, reintegration, or marriage.

Applicants will need to prove B2-level French (oral and written), replacing today’s B1 standard. Certificates must come from accredited providers, be less than two years old, or be backed by a French diploma. Foreign diplomas and comparability certificates will no longer be accepted.

Civic knowledge moves from conversation to examination. Until now, integration into French society was tested through an individual “assimilation interview.” From 2026, this will be a standardized civic exam created by the Ministry of Naturalization, with study materials published online and accredited test centres running the sessions.

Exemptions remain limited to applicants with certified health conditions or disabilities that prevent participation.

The process itself will also become more digital and selective: only strong applications will reach the assimilation interview stage, and appeals must be filed via the same online platform used for submissions.

Importantly, these reforms apply only to applications filed on or after 1st January 2026. Files already submitted before that date will still follow the current rules.

For anyone considering applying soon – the existing B1 language requirement and interview system still stand. And as countless expats before you have shown, mastering the process is possible, even without today’s online resources.