Naturalisation
Prepare the French level required for a French nationality application, including the B2 level from 1 January 2026.
A French nationality application requires proof of French language level. From 1 January 2026, the required level for naturalisation is B2 according to the Common European Framework of Reference for Languages (CEFR).
The official tests used to prove this level are the TCF IRN and the TEF IRN. Tailored preparation is recommended to reach the required level within your timeline.
Sylum connects you with partner centres that can prepare you for B2 level for the TCF IRN or TEF IRN.
Useful information
- Required French level: B2 (from 1 January 2026)
- Accepted tests: TCF IRN or TEF IRN
- Results have a limited validity period
- Allow sufficient preparation time before submitting your application
How it works
- 1
Share your situation
Tell us about your naturalisation goal, current level and timeline.
- 2
Get connected
We identify a partner centre offering B2-level preparation.
- 3
The centre contacts you
The centre presents its courses and preparation options.
- 4
Start your preparation
Follow a structured path towards the required B2 level.
- 5
Take the test
Take the TCF IRN or TEF IRN and obtain your level certificate.
Frequently asked questions
What French level is required for naturalisation?
From 1 January 2026, the required level is B2 according to the CEFR. This level requires more advanced proficiency than the previously required B1.
Which tests are accepted?
The TCF IRN and TEF IRN are the two official formats accepted for naturalisation procedures.
How long does it take to go from B1 to B2?
Preparation time depends on your starting level and learning pace. A partner centre can propose a tailored progression plan.
Are my children affected?
Language requirements may vary depending on the age and situation of applicants. A partner centre can guide you based on your case.
How can I prepare effectively?
Structured preparation with a centre specialising in TCF IRN or TEF IRN is recommended. Sylum connects you with centres suited to your situation.
Take a few minutes to check your current French level.
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