DELF B2 · French Nationality
DELF B2 for French Nationality: The Exam You Need
Why the DELF B2 is the preferred exam for French naturalization: what it tests, how it proves your B2 level for Article 21-24, why its permanent diploma beats the TCF ANF, and how to prepare specifically for the nationality application.
Quick Answer
For French naturalization by decree (Article 21-24), you must prove level B2. The DELF B2 is the preferred exam because it is a permanent diploma that never expires — unlike the TCF ANF which is valid for only two years. The DELF B2 tests all four skills (listening, reading, writing, speaking), and passing it gives you a diploma you can reuse for residence cards and other future applications.
Why the DELF B2 is the naturalization exam
French naturalization by decree requires you to submit a certified B2 level with your application. Two tests are accepted: the DELF B2 and the TCF ANF. The DELF B2 is usually the better choice because it is a permanent diploma — once you pass, the certificate never expires.
The TCF ANF, by contrast, is valid for only two years. If your naturalization process takes longer than that — and it often does — you would need to retake the TCF. The DELF B2 avoids this risk entirely.
- DELF B2 — permanent diploma, never expires.
- TCF ANF — valid 2 years only.
- Naturalization processing can take longer than 2 years — DELF is safer.
- DELF B2 can also be reused for residence cards and employment.
What the DELF B2 tests for your nationality application
The French administration does not look at your DELF B2 score in detail — it checks that you hold the diploma. The exam itself tests all four skills: listening, reading, writing, and speaking. The speaking section is an argument (defend a position from a document) and the writing is a structured text.
For the nationality application, what matters is passing. But the skills the exam tests — especially sustained argumentation and structured writing — are the same skills you need to function at B2 level in French civic and professional life, which is why the government sets this bar.
How to prepare specifically for nationality
If your goal is naturalization, you do not need to over-prepare — you need to pass. The fastest path is to confirm you are already at B2 with a practice test, then focus your remaining time on the speaking argument and the writing task, which are the two sections that decide most results.
Once you pass the DELF B2, submit the diploma with your naturalization application. It satisfies the B2 requirement permanently — you will never need to retake a French test for nationality again.
- Confirm your level with a practice test first — you may already be at B2.
- Focus on the speaking argument and writing task — they decide most results.
- Once you pass, the diploma is permanent — no retake needed.
- Submit the certificate with your naturalization application.
Practice next
Practice the DELF B2 speaking argument and writing task with AI-scored simulations, so you can pass the exam and submit the permanent diploma with your naturalization application.
Practice for the DELF B2Related guides
Frequently asked questions
Is the DELF B2 accepted for French nationality?
Yes. The DELF B2 is an officially recognized proof of level B2 and is accepted for naturalization by decree. It is often preferred over the TCF ANF because it is a permanent diploma that never expires.
DELF B2 or TCF ANF for naturalization?
Both are accepted. The DELF B2 is a permanent diploma that never expires, making it safer if your naturalization process takes longer than two years. The TCF ANF is valid for only two years. If your process might be slow, choose the DELF B2.
What score do I need on the DELF B2 for nationality?
You need to pass — 50 out of 100 overall, with at least 5 out of 25 in each section. The administration checks that you hold the diploma, not your specific score. Passing is what matters.
Can I use the DELF B2 for both nationality and a residence card?
Yes. The DELF B2 is permanent and exceeds the B1 requirement for the carte de resident. One diploma can serve multiple applications — nationality, residence, and employment.