B2 French level for naturalization: what changes in 2026

At B1, you survive in French. At B2, you defend a point of view. Since 1 January 2026, French naturalization requires the second — and you have to register for an exam, revise it, sit it, and wait for the certificate. Count four to five months between DELF registration and delivery of the official certificate, which is enough to push back a file by a full quarter if you discover the step at the wrong moment.

That's the most concrete effect of the arrêté of 10 October 2025 on a file's life: a B1 obtained in 2023, perfectly valid for naturalization until end-2025, no longer suffices today. Not out of administrative caprice, but because the law of 26 January 2024 set the principle of a language uplift, and this arrêté made it operational on the hinge date. This article walks the ground: what the text says, how to prove B2, what the step costs, and above all how to articulate this new requirement with the civic exam, which remains entirely independent.

The arrêté of 10 October 2025, in plain terms

The arrêté doesn't create the language requirement, it raises it. French command was already required since the arrêté of 30 March 2020, but at B1 — the beginner independent user, able to grasp a clear standard-language message and narrate an event. The 2025 text amends this baseline to bring it to B2 across the four skills: listening comprehension, reading comprehension, oral expression, written expression. The list of recognised certifications stays the same (DELF, DALF, TCF, TEF, French diplomas), only the score thresholds matching the new level are adjusted.

Application is unsurprising but not retroactive: any file filed and complete before 1 January 2026 stays governed by the previous rules (B1 valid). Any file filed from 1 January 2026 falls into the new regime, B2 mandatory, with no exception possible for those who "started preparing their documents" under the old regime without filing. For the full decoding of the text, see what the arrêté of 10 October 2025 says; the official text is available on Légifrance.

A point that often confuses: the arrêté covers only language. The civic-knowledge exam (40 questions drawn from the official syllabus, 45 minutes, 80 % to pass) is a distinct system, set by other texts, and not modified by this arrêté. You must justify both independently.

B1 vs B2: the concrete step

On paper, it's just a one-level gap. In practice, you move from beginner independent user to advanced independent user — and the difference shows mostly on two skills. In writing, you shift from a well-built simple sentence (a respectable B1) to structured 250-word writing with an introduction, arguments, counter-arguments and a conclusion (an expected B2). In fast speech, you move from "I understand if you speak clearly" to "I follow a TV news bulletin at normal speed and join a debate without asking for repetition". The grid from the Council of Europe CEFR gives the detail skill by skill.

Skill	B1	B2
Listening comprehension	Essentials of clear speech on familiar topics	Lectures, debates, films in standard language, even on abstract topics
Reading comprehension	Everyday texts (letters, simple articles)	Specialised articles, complex contemporary texts
Oral expression	Describes experiences, briefly justifies an opinion	Argues, defends a point of view, speaks fluently on varied topics
Written expression	Simple coherent text on a familiar topic	Clear, detailed text, essay, report; nuances ideas
Vocabulary	~2,000 active words	~4,000 active words, varied registers
Grammar	Simple structures, frequent errors	Good command, occasional non-systematic errors

Which diplomas prove B2

The arrêté keeps a plural list of accepted proofs, which is a good thing: depending on your profile, some paths are markedly faster than others. The DELF B2 issued by France Education International is the standard proof and has a decisive advantage: it is valid for life, with no expiry. The DALF at C1 or C2, above B2, is automatically accepted. The TCF and TEF at the level matching B2 across the four tests are also recognised, but they are valid only two years — a detail to anticipate if your filing is far away. The DCL (Diplôme de compétence en langue) issued by the Ministry of Education at B2 is a less-known but valid option.

Alongside these certifications, a French diploma from secondary or higher education obtained in French entirely exempts you from the test. A French baccalauréat, a BTS, a bachelor's or a master's obtained in France serve as proof in themselves — that's what saves most candidates who did their higher studies in France and never have to sit the DELF. If you hesitate between the TCF and the DELF and your naturalization file isn't tomorrow, the DELF is safer: a €100-180 investment that never expires beats a TCF to retake in two years.

The real timeline: four to five months, not three weeks

The DELF B2 costs €100 to €180 depending on the exam centre — Alliance française, FEI partners, some accredited lycées. Sessions fall every four to six weeks in big cities, more rarely elsewhere; then count 60 days of waiting between the exam and delivery of the official certificate, sometimes more in peak periods. Cumulatively, between registration and the document landing in your ANEF file, the realistic timeline runs four to five months. The general TCF costs €80 to €120, offers more frequent sessions (sometimes weekly) and returns results in two to four weeks, but only for two years.

The practical rule: if you target a filing in September 2026, register for the DELF B2 by May or June 2026 at the latest to have the certificate in time. Centres in Paris, Lyon and Marseille are regularly saturated, and the room for manoeuvre shrinks fast when you start late. Don't fall into the "I'll wait until I'm ready to register" trap — register first, you'll be ready because you'll be registered. A date in the calendar does more for motivation than a month of good intentions.

Who is exempt

The arrêté keeps the historical exemptions. You don't have to sit a language test if you're a graduate of French higher education — bachelor's, master's, doctorate, BTS, DUT, engineering school: the diploma serves as proof. Same for holders of a French secondary diploma (baccalauréat, CAP, BEP) obtained in a French institution, and for people schooled in France over a long period (generally at least five years in a francophone institution). Candidates aged 65 and over once benefited from a lighter regime, but practice now varies by préfecture — some still require an interview, others don't. A serious medical condition or chronic pathology attested by a doctor can also open a case-by-case exemption.

The service-public.fr page on naturalization keeps the detailed list up to date. If in doubt, ask your préfecture in writing for confirmation of the regime applying to your situation before booking a DELF session — you'll avoid paying for a test you didn't need.

If your file is already in flight

That's the question that comes up most in our messages. The rule is clean: what counts is the file filing date, not the préfecture decision date or the date you started gathering documents. A file filed and complete before 1 January 2026 stays governed by the old regime — B1 remains valid, your file is processed under the rules in force at filing, and the préfecture cannot retroactively ask you to produce a B2. A file filed from 1 January 2026, conversely, falls into the new regime, B2 mandatory, even if you'd prepared most of your documents under the old.

"Complete file" means you actually received a récépissé or préfecture acknowledgment. A simple online appointment request or an ANEF booking that didn't lead to a dated récépissé doesn't count. If your filing is planned after 1 January 2026 and you only have a B1 today, register for the DELF B2 without delay — the cumulative time between registration, sitting and certificate delivery can reach four to five months, and that's exactly what can push your filing back a quarter. Our guide French naturalization 2026: steps details the full chronology of a file.

How to clear the step without pain

The B1→B2 step demands real but targeted effort. The lever that weighs most is writing. It's the skill where the gap between the two levels is widest, because you move from a well-built simple sentence to structured writing. Practise short essays of 200 to 250 words — introduction, two arguments, conclusion — at least twice a week, and have them reviewed by a native French speaker who can flag the systemic mistakes you no longer notice.

The second lever is normal-speed listening. At B2, you're expected to follow a debate on France Inter or a TV news bulletin without asking for repetition, not a slow dictation. News podcasts (Code source, L'Heure du monde, La Story), evening news bulletins and Radio France channels train your ear to the language's actual rhythm. On phonetics itself, the pronunciation guide for the naturalization exam lists the classic traps that hold back oral comprehension.

The third lever is regularity through spaced repetition. B2 grammar and vocabulary aren't learnt overnight; they anchor through regular exposure to the language, ideally twenty to thirty minutes a day for several months. The Leitner method, detailed in our piece on memorising with spaced repetition, works as well on vocabulary as on civic content.

B2 doesn't replace the civic exam

This is the costliest confusion in lost time. Since 1 January 2026, you must justify two distinct passes: on one side, your DELF B2 (or equivalent) which proves your French level; on the other, the civic exam of 40 questions in 45 minutes with 80 % minimum, which proves your knowledge of institutions, republican values and French history. These two tests are governed by different texts — the arrêté of 10 October 2025 covers only language —, run by the same operator (FEI) but with distinct registrations, sessions and grids.

Passing the DELF B2 doesn't exempt you from the civic exam, and vice versa. Prep them in parallel so you don't have to wait for one before starting the other. The complete 2026 civic exam guide details the format; the examens couverts page lists the three permits Cocorico preps you for (CSP, CR, naturalization).

FAQ

Is my DELF B1 from 2023 obsolete?

No, the DELF is permanent. But it no longer suffices to prove the level required for files filed from 1 January 2026. You'll need to top it up with a DELF B2 (or a DALF C1/C2 which automatically encompasses B2). Your DELF B1 remains a valuable asset for other procedures.

Does the TCF Naturalisation at B2 exist?

Yes. The TCF called "Intégration, Résidence et Nationalité" (TCF IRN) was adjusted to integrate the B2 threshold. Check with the exam centre that the version offered matches the arrêté in force, some centres take a few weeks to update their offering.

Do I need a B2 in writing as well, or only orally?

Both. The arrêté requires B2 across the four skills: listening comprehension, reading comprehension, oral expression, written expression. That's the main difference with the old regime, which in some cases only assessed oral.

What if my filing is from before 2026?

If your file was complete and had received a préfecture récépissé before 1 January 2026, you benefit from the transitional B1 regime. If you only booked an appointment without an actual filing, the new regime applies. If in doubt, ask your préfecture in writing for confirmation of the regime applying to your file.

Can a B2 fail be appealed?

Yes, generally within 2 months of receiving results, by appeal to the exam centre or to France Education International. Appeals rarely succeed, the jury being sovereign. It's often better to re-register for the next session: you keep the points of passed tests for 2 years (on the TCF); for the DELF, you have to retake everything, but the psychological cost is lower than that of an appeal that drags on.

Conclusion

Moving from B1 to B2 isn't an administrative formality: it's a real step, especially in writing, and you have to count four to five months between DELF registration and the certificate ready to join your file. All of it is foreseeable as long as you start early. Register for the DELF B2 now if your filing is planned after 1 January 2026, work on your writing alongside the civic exam, and don't underestimate the cumulative dimension of the two tests. Cocorico preps you free of charge for the civic exam, in French with EN/ZH subtitles on demand — create your account and start your first lesson tonight.