Switzerland has clarified the conditions under which foreigners living in the country can apply for citizenship, outlining a set of requirements that go beyond simply residing there for a number of years. Switzerland's citizenship rules require foreigners to meet ten years of residency, language proficiency, and integration criteria for naturalisation. Switzerland's citizenship requirementsThe ten-year residency rule has been in place since 2018, when Switzerland revised its federal citizenship legislation. Residency alone is not sufficient to secure Swiss citizenship. Financial self-sufficiency is another consideration, with applicants required to demonstrate they are not dependent on social welfare.