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Language and integration requirements for Swiss naturalisation

What level of language you must prove, how to prove it, who is exempt, and what integration means in Swiss law.

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B1Spoken, federal minimum
A2Written, federal minimum
3 yearsWithout social assistance
26Cantonal rule sets
Data updated 23 October 2026 Official sources: Fedlex, SEM and cantonal offices Also served to AI agents via MCP

The short answer

What language level do I need to become Swiss?

Federal law requires at least B1 spoken and A2 written in a national language, proven by a recognised certificate unless you are exempt through mother tongue or schooling. Several cantons require more, so check the cantonal level before you book a test.

Evidence: Official source · Machine-readable data · As of 23 October 2026

Language

Language requirements

Spoken language
Applicants must prove oral skills in a national language at least at CEFR level B1.
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Written language
Applicants must prove written skills in a national language at least at CEFR level A2.
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Exemptions from language proof
Language proof is deemed provided by mother tongue, five years of compulsory schooling, or completed upper secondary or tertiary education in a national language, or by a recognised certificate.
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Accepted certificates
SEM publishes a quarterly list of recognised language certificates; a certificate counts if it was on the list when the application was filed.
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Not accepted as proof
Course attendance certificates and online placement tests are not accepted as language proof.
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Integration

Integration criteria

Integration criteria
Successful integration is shown in particular by five criteria listed in the Act; cantons may add further integration criteria.
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Familiarity with Swiss life
Familiarity with Swiss living conditions means basic civic knowledge, participation in social and cultural life and contacts with Swiss people; the canton may require a knowledge test.
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Constitutional values
The values of the Federal Constitution include rule-of-law and democratic principles, fundamental rights, and the duties of military or civilian service and school attendance.
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Economic participation
Economic participation means covering living costs and maintenance by income, assets or entitled third-party benefits; participation in education means being in training.
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Social assistance
An applicant who received social assistance in the three years immediately before applying, or during the procedure, does not meet the economic participation criterion.
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Repaying social assistance
Receipt of social assistance in that period is not disqualifying if the assistance has been repaid in full.
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Personal circumstances
Deviation from the economic criterion is possible for the personal circumstances listed in Art. 9 BüV.
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Questions

Language and integration: common questions

Which language tests are accepted?

The State Secretariat for Migration publishes a quarterly list of recognised language certificates. A certificate counts if it was on the list when you filed your application.

Do I need a language test if I went to school in Switzerland?

No, if you completed at least five years of compulsory schooling, or upper secondary or tertiary education, in a national language. Native speakers of a national language are exempt as well.

Is there a citizenship test?

Federal law requires familiarity with Swiss life, and the cantons decide how to check it. Some use a written knowledge test, others an interview or a civics conversation. The cantonal requirements page shows the rule in each canton.

Information, not legal advice. Naturalisation decisions are taken by the canton, the commune and the State Secretariat for Migration, and cantonal and communal practice varies. For an appeal or a complex case, consult a lawyer.

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