The Tages Anzeiger has reported that a number of foreign nationals who obtained Swiss citizenship through marriage are potentially at risk of statelessness (if their country of origin does not accept dual nationality). The Swiss citizenship through marriage can be revoked up to eight years after the marriage took place if the authorities suspect it to be fraudulent.

Read more in The Local, the original report in Tages Anzeiger (in German) and consult our country profile pages for details of current and past citizenship legislation in Switzerland.