
Ordinary naturalisation requires a settlement (C) permit and at least 10 years of residence in Switzerland (three within the five years before applying), plus successful integration; cantons and communes set additional residence and integration conditions.
Swiss citizenship by ordinary naturalisation is the final step for long-term settled residents. It requires you to hold a settlement (C) permit and to have lived in Switzerland for at least 10 years, three of them within the five years before you apply.
Beyond the residence requirement, you must show successful integration — language proficiency and familiarity with Swiss life — and respect for public security, order and the constitution, with no threat to internal or external security. Importantly, cantons and communes set their own additional residence and integration requirements on top of the federal rules, so where you live matters.
Because naturalisation involves federal, cantonal and communal layers, the exact path varies considerably from place to place. Confirm the current requirements with SEM and your canton and commune before applying — and ACME can help you understand the layered conditions and plan toward eligibility.
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Guidance only, not legal advice. ACME is an independent consultancy, not affiliated with any government. Rules change, confirm details with official sources.