Swiss voters have rejected a proposal to prevent the country’s permanent resident population from exceeding 10 million people before 2050.
Provisional official results from the 14 June vote show that 54.79% of voters opposed the ‘No to a Switzerland with 10 million! (Sustainability Initiative) while 45.21% supported it. Turnout was 58.86%.
The initiative sought to introduce a population cap as Switzerland’s resident population reached around 9.1 million at the end of 2025. Supporters argued that population growth was increasing pressure on housing, infrastructure and public services.
If the permanent resident population had exceeded 9.5 million before 2050, the Federal Council and Parliament would have been required to take measures, particularly in areas such as asylum and family reunification. If the population had exceeded 10 million, Switzerland could have been required to terminate international agreements contributing to population growth, including the agreement with the EU on the free movement of persons.
Swiss federal authorities warned that ending the free movement agreement would also have affected other agreements under Bilateral Agreements I and could have called into question Switzerland’s participation in the Schengen and Dublin arrangements.
By rejecting the proposal, voters avoided a measure that could have placed major pressure on Switzerland’s labour market, its relations with the EU, and cross-border cooperation.
Why does it matter?
The vote matters beyond Swiss population policy because the initiative could have affected the country’s relationship with the EU. Switzerland relies on bilateral agreements for labour mobility, market access and cooperation on security and asylum. A population cap tied to termination of the free movement agreement would have created uncertainty for businesses, public services and sectors that depend on foreign workers, including healthcare.
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