Citizenship in Switzerland
Naturalisation timelines, tests, and dual nationality
Ordinary naturalisation requires roughly ten years of residence in Switzerland, a C settlement permit, and cantonal and municipal residence periods on top of the federal ones. Three authorities must agree: the Confederation checks the federal criteria, the canton applies its own conditions, and the commune takes its own decision, in some places through a committee or a local vote. A file that satisfies Bern can still fail locally, and this is the feature of Swiss naturalisation that surprises applicants most.
| Federal residence rule | Roughly ten years, with some years of youth counted double source |
| Permit required | A C settlement permit is a precondition for ordinary naturalisation |
| Cantonal and communal residence | Commonly two to five years in the canton, set by each canton |
| Language | Commonly around B1 spoken and A2 written in the local national language, higher in some cantons |
| Dual citizenship | Permitted by Switzerland since 1992 source |
Three approvals, not one
Swiss citizenship is communal and cantonal before it is federal. An applicant is naturalised into a commune and a canton, and the Confederation issues an authorisation confirming the federal criteria are met. Each level applies its own procedure and its own conditions, and each can say no.
In most cantons the communal stage involves an interview, a report on integration and local participation, and a decision by the municipal executive or a naturalisation commission. A minority of communes still put applications to an assembly or a ballot. Federal law requires that refusals be reasoned and that they be open to appeal, but the practical consequence is that identical files succeed in one commune and stall in the next.
What the federal criteria cover
- Successful integration: respect for public order and constitutional values, participation in economic life or education, and support for the integration of one's family.
- Familiarity with Swiss living conditions, geography, history and political institutions, usually tested in writing or in interview.
- Language competence in a national language, commonly around B1 orally and A2 in writing, with several cantons expecting more.
- No danger to internal or external security, a clean criminal record, and settled finances including tax and maintenance obligations.
- For most applicants, no receipt of social assistance during a defined period before the application.
Shorter routes
Facilitated naturalisation exists for the spouse of a Swiss citizen, on a shorter residence period combined with a minimum duration of the marriage, and it is decided federally rather than communally. Since 2018 there is also a facilitated route for third-generation applicants born in Switzerland to grandparents who were resident here.
Years spent in Switzerland between the ages of eight and eighteen are counted double for the federal residence requirement, subject to a minimum of actual years, which materially shortens the wait for people who arrived as children.
How long it takes in practice
Even once the residence conditions are met, the procedure itself commonly runs for a year or more as the three levels work through it in sequence, and fees are charged at each level. Budgeting for a multi-year process after the ten-year mark is the realistic expectation rather than a pessimistic one.
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Official sources
Checked against these pages in September 2026. Fees and processing times change without notice — confirm before you act.