Swiss voters will decide on Sunday whether to back a controversial proposal to cap the country’s population, in a closely watched referendum that has sharply divided opinion across political and economic lines. The vote, part of Switzerland’s system of direct democracy, is expected to be tight, with polling suggesting no clear outcome ahead of the ballot.

Switzerland is set to vote on a controversial anti-immigration proposal aimed at capping its population below 10 million. The hard-right Swiss People's Party initiative faces…

The anti-immigration measure comes amid cost and crime concerns

Switzerland heads to the polls on Sunday to decide on a proposal that could make it the first European country to impose a formal limit on its population. The referendum asks…