Residence
10 yrs
Via marriage
~5 yrs
By descent
Parent
Dual citizenship
Allowed
Naturalisation by residence
10 years of residence with a C (permanent) permit; years between ages 8 and 18 count double. Cantons and municipalities add their own residence rules.
Through marriage
Facilitated naturalisation after 5 years of residence and 3 years of marriage to a Swiss citizen.
By descent (ancestry)
Children of a Swiss parent are Swiss; those born abroad must be registered before age 25 to keep it.
Language & tests
Spoken B1 and written A2 in a national language, plus integration requirements.
Dual citizenship
Switzerland allows dual citizenship.
Frequently asked questions
How many years does it take to get Switzerland citizenship?
The standard requirement is 10 years. 10 years of residence with a C (permanent) permit; years between ages 8 and 18 count double. Cantons and municipalities add their own residence rules.
Does Switzerland allow dual citizenship?
Allowed. Switzerland allows dual citizenship.
Can I get Switzerland citizenship through marriage?
Facilitated naturalisation after 5 years of residence and 3 years of marriage to a Swiss citizen.
Can I get Switzerland citizenship through my parents or grandparents?
Children of a Swiss parent are Swiss; those born abroad must be registered before age 25 to keep it.
This guide is general information, not legal advice. Requirements change and individual circumstances matter; confirm with SEM – Becoming Swiss or a qualified immigration lawyer before applying.