Swiss Voters Decide Whether to Cap Population at 10 Million

Swiss voters go to the polls on Sunday in a high-stakes referendum that could set a future ceiling of 10 million residents. Results are expected to be announced this afternoon.

The initiative was launched last year by a right-wing anti-immigration party, which collected the required 100,000 signatures. It wants Switzerland to begin withdrawing from international agreements that allow any immigration once the country reaches the target population. Under the proposal, family reunification for migrants would be banned when the population reaches 9.5 million, and free movement would be blocked at 10 million, in line with the Schengen framework.

Supporters say the goal is to protect public and social services from becoming overloaded by higher immigration. They argue that too much population growth would strain the state’s ability to provide adequate services to citizens. The initiative exempts growth that comes from what it calls “organic” population increase, meaning more births than deaths.

The vote comes amid a broader European debate over immigration as a driver of demographic and economic growth. Most European countries have birth rates too low to maintain stable populations without immigration, and Switzerland has been especially successful at attracting newcomers. More than a quarter of its residents are foreign citizens, and current forecasts say the country will reach about 10 million people by 2035. Switzerland now has about 9 million residents.

The government and most mainstream parties oppose the plan, warning that it would damage Switzerland’s competitive advantage and hurt its ability to attract researchers, entrepreneurs and skilled workers. Previous polls found 48% of residents backing a cap on the population at 10 million.