In principle, individuals who are domiciled in Switzerland and/or who work in Switzerland are subject to Swiss social security insurance. Under certain conditions, this insurance is also an option for individuals domiciled abroad.
The responsible representation will, on request, provide you with information about social insurance for Swiss nationals abroad.
Who has the option of joining the voluntary old-age, survivors’ and disability insurance scheme for individuals abroad? Federal Social Insurance Office
The Agreement of 21 June 1999 on the Free Movement of Persons (AFMP) between Switzerland and the EU, which also applies to EFTA states, complements the right of free movement with the coordination of national social security systems in respect of old age, disability, surviving dependents, illness, maternity, occupational accidents and unemployment. However, the agreement does not cover social welfare.
The provisions of the AFMP apply to Swiss nationals abroad who live in the territory of one of the parties to the agreement.
Social insurance Switzerland-EU/EFTA, Federal Social Insurance Office