Switzerland Citizenship Requirements
Ordinary Swiss naturalisation combines federal residence and language conditions with cantonal and communal requirements and a permanent residence permit.
Ten years and a C permit
The ordinary route requires ten qualifying years, including three of the preceding five, and a C permanent residence permit. Qualifying residence between ages eight and eighteen counts double, but actual residence must still reach six years.
Not every permit counts equally
B and C permits and FDFA legitimation or Ci documents count; F-permit time counts half. N asylum-procedure and L short-stay periods do not count. Local residence requirements add two to five years depending on canton and commune.
B1 oral language skills
Federal rules require oral skills of at least CEFR B1 in a Swiss national language. Cantons can require more; attendance certificates and online placement tests alone are insufficient evidence.
A2 written skills and accommodations
The federal written-skills minimum is CEFR A2. Serious illness, disability or pronounced learning or literacy difficulties require supporting evidence; the authority decides how personal circumstances are accommodated.
Integration and local approval
Authorities assess integration, familiarity with Swiss life and security. Canton-specific conditions also matter. A federal licence precedes the final cantonal decision; citizenship follows when that decision is legally binding.
Swiss law permits dual nationality
Swiss naturalisation does not require renouncing the prior citizenship under Swiss law. The other country's law can still cause its loss, so both legal systems must be checked.
Scope and limitations
- Federal minimums are not a complete cantonal or communal application checklist. Ask the authority where you live about accepted proof and extra requirements.
- Residence eligibility is not processing time or a guarantee of approval; simplified routes require separate assessment.
Next review due . An official update can change these requirements sooner.
Official sources
- Ordinary naturalisationSwiss State Secretariat for Migration · Retrieved 2026-09-17 · EN
- FAQ: Swiss citizenship, applications from 1 January 2018Swiss State Secretariat for Migration · Retrieved 2026-09-17 · DE
- Dual nationalitySwiss State Secretariat for Migration · Retrieved 2026-09-17 · EN