Naturalisation in the canton of Basel-Country
The canton of Basel-Country has no cantonal test: the municipality tests in writing or in an interview. Naturalisation costs CHF 1’000 to 3’100.
By Kai SchniderUpdated:
Is there a naturalisation test in Basel-Country?
Basel-CountryBL
No cantonal test. The citizens’ council (Bürgerrat) of the municipality checks basic knowledge, for example in the interview.
Source: bl.clex.ch, fuellinsdorf.ch, checked on 11 November 2026
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Fact sheet
- Capital
- Liestal
- Language
- German
- Population
- 301’323
- Abbreviation
- BL
Requirements
- Residence in Switzerland
- At least 10 years
- Residence in the canton of Basel-Country
- At least 5 years
- Residence in the municipality
- Depends on the municipality, 2 to 5 years
- Language level
- At least B1 spoken, B1 written, in German
- Residence permit
- C permit (settlement permit)
- Basic knowledge
- Depends on the municipality
Source: BüG BL § 8, § 10, bl.ch, checked on 12 November 2026
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Cost of naturalisation in Basel-Country
CHF 1’000 to 3’100 total cost, depending on the municipality
| Authority | CHF |
|---|---|
| Confederation | 100 |
| Canton | 500 to 1’000 |
| Municipality | 400 to 2’000 |
| Total | 1’000 to 3’100 |
Fees as set by the canton and municipalities, as a guide. Your municipality issues the exact bill.
Duration and specifics
The process in Basel-Country usually takes 12 to 24 months.
5 years of residence in the canton are required; the municipality requires 2 to 5 years depending on its regulations. Located in the greater Basel area.
The process in Basel-Country: 5 steps
Ordinary naturalisation in Basel-Country follows a set process. Integration, residence, language and knowledge are checked.
Check the requirements
At least 10 years of residence in Switzerland, of which 5 years in the canton. Each municipality sets its own period, 2 to 5 years. Plus the C permit.
Proof of language
At least level B1 spoken and B1 written in the official language. Recognised certificates include fide, Goethe, telc and DELF/DALF.
Submit the application
The application goes to your municipality or the canton. You hand in the documents, pay the fees and prove your identity.
Show basic knowledge
The municipality checks basic knowledge, in writing or in an interview.
Interview and decision
Municipality, canton and Confederation decide one after the other. From application to decision usually takes 12 to 24 months.
Documents you need
Depending on your case, the municipality asks for more documents. These are almost always required in Basel-Country:
- C permit (settlement permit)
- Valid passport or ID card
- Birth certificate, and marriage certificate if married
- Recent extract from the Swiss criminal record (Strafregisterauszug)
- Extract from the debt collection register (Betreibungsregisterauszug) for the last 5 years
- Confirmation from OASI (AHV/AVS) and the tax office that you have no outstanding debts
- Language certificate (at least B1 spoken, B1 written)
- Proof of years of residence (residence confirmations)
Ask your municipality first.
Before you apply, get the current checklist. Requirements change from time to time.
Naturalisation documents: the complete checklist for your application
How to prepare in Basel-Country
In Basel-Country there is no cantonal test. Ask your municipality early whether it tests in writing or in an interview. You can practise the basic knowledge here: roughly 500 questions on geography, history, politics and culture.
The practice questions are in German and French. You are tested in the official language of your canton, and in 25 of the 26 cantons that is German or French. Practising in that language means you know the words when you hear them in the test or the interview.
25 questions in German or French, no account needed.
This is what a practice question looks like. They are available in German and French.
Frequently asked questions about naturalisation in Basel-Country
Do I have to take a naturalisation test in the canton of Basel-Country?
The canton of Basel-Country has no cantonal test: the municipality tests in writing or in an interview. Source: bl.clex.ch, fuellinsdorf.ch, checked on 11 November 2026.
How long do I need to live in Basel-Country?
In the Canton of Basel-Country you need 5 years of residence in the canton before the application. In the municipality, the municipal regulations require 2 to 5 years, so check with your municipality. A total of 10 years of residence in Switzerland is required.
How much does naturalisation cost in Basel-Country?
Total costs range from CHF 1’000 to CHF 3’100. Municipal fees (CHF 400 to 2’000) vary considerably depending on the place of residence.
What is the difference between Basel-City and Basel-Country for naturalisation?
In Basel-City, since 1 July 2026 only the municipality still charges a naturalisation fee (in Basel CHF 800 for individuals aged 25 and over), plus the federal fee. In Basel-Country there are cantonal and municipal fees, together around CHF 1’000 to 3’100. However, Basel-Country requires 5 years of residence in the canton, Basel-City only 2 years in the municipality.
Naturalisation in other cantons
Neighbouring cantons
- AG
Written test from age 16: 45 questions in 40 minutes, passed with at least 34 correct answers.
- BS
No written test. Interviews at the Migration Office and with the citizens’ community (Bürgergemeinde).
- JU
Assessment in the naturalisation interview using a questionnaire on Switzerland and the Jura.
- SO
From age 18, a compulsory course of 20 lessons with a written final exam, passed with a grade of 4.0 or higher.