Swiss referendum
Swiss neutrality referendum puts country’s foreign-policy identity to a vote
Swiss voters are due to decide on September 27 whether the country should adopt a more restrictive interpretation of neutrality. The vote has become a major test of Switzerland’s foreign-policy identity, with opponents warning that tighter rules could limit the country’s ability to respond to international crises.

More than 60% of surveyed voters now reject the proposal, turning Sunday's referendum into a test of how Switzerland defines its place in a fractured Europe. On September 27, citizens will vote on whether to write a stricter version of neutrality into the federal constitution. The initiative would require Switzerland to remain permanently and militarily neutral, restrict cooperation with NATO and bar sanctions unless the United Nations authorised them.
The result is expected to be a clear rejection. A second gfs.bern poll for the Swiss Broadcasting Corporation found 63% opposed the measure and 34% in favour. Support has fallen as the campaign has progressed, leaving the initiative facing resistance from the government, parliament and nearly every major political party.
The vote carries significance beyond its legal wording. Switzerland's neutrality is a core element of national identity, attached to its military tradition, humanitarian institutions and role as a host for international negotiations. Russia's full scale invasion of Ukraine and Bern's decision to adopt European Union sanctions have forced voters to assess what neutrality permits when a European state attacks another. The ballot asks whether Switzerland should preserve room for diplomatic manoeuvre or bind future governments to a narrower doctrine.
The Initiative Would Rewrite Neutrality
The initiative would lock three major limits into the constitution. It calls for neutrality to be "armed and perpetual", a formulation designed to make the principle permanent and legally enforceable. Switzerland could not establish closer ties with NATO, and it could join a military alliance only if the country itself came under attack.
The proposal would also prohibit Swiss sanctions unless they were imposed under a United Nations mandate. That provision targets the policy adopted after Russia invaded Ukraine, when Bern aligned itself with European Union economic measures against Moscow. Supporters say those sanctions compromised Switzerland's credibility as a neutral state. Critics say refusing to respond to aggression would reduce neutrality to passivity.
Switzerland has maintained a neutral position since 1516, with international recognition formalised in 1815. Its armed forces and security policy have traditionally supported that status. The initiative's backers argue that constitutional language would protect Switzerland from gradual integration into European security structures. Samuel Sommaruga, a leading supporter, says the country could be "sucked into NATO" and lose its role as a mediator and host for international organisations.
Opponents see a different risk. They argue that a rigid rule would remove the government's ability to adjust policy during crises, including conflicts that threaten the rules on which Swiss security and prosperity depend.
Polling Shows Opposition Across Switzerland
Opposition has spread across regions and voter groups. In German speaking Switzerland, 64% said they intended to reject the initiative. In French speaking Switzerland, opposition rose to 63%. Italian speaking Switzerland remains the closest contest, with 48% supporting the proposal and 47% opposing it.
The latest poll also shows the initiative losing ground among independent voters. A majority of independents now oppose it, after more than half had supported it in the first survey. Across the political spectrum, Green Liberal voters registered the strongest opposition at 96%, while the SVP remains the only major party whose voters favour the measure, with 77% support.
That party alignment gives the campaign a clear political centre. The SVP, Switzerland's largest party, has backed the initiative from the beginning. Its opponents include the Social Democrats, Greens, Green Liberals, Liberals and Centre, although individual supporters have appeared across party lines.
The regional divide matters because Switzerland's foreign policy debates often reflect its linguistic and cultural geography. The latest figures show the proposal failing to build a majority in any language region. Even voters with lower levels of formal education, who initially leaned more heavily toward the initiative, now oppose it by 54%.
Neutrality Meets International Pressure
The campaign has turned neutrality into a dispute over responsibility, not simply non alignment. Foreign Minister Ignazio Cassis says Switzerland has always applied neutrality with flexibility. He has also rejected the idea that a neutral state should ignore violations of international law, arguing that "neutrality does not mean indifference".
That position reflects the government's broader concern: a constitutional ban on sanctions could leave Bern unable to respond when the United Nations is blocked or slow to act. It could also complicate Switzerland's established practice of coordinating economic policy with European partners while remaining outside the European Union.
Jean-Daniel Ruch, a former Swiss diplomat supporting the initiative, says Bern has damaged its standing by taking what he considers an overly strong position against Russia and a weak position toward Israel. He describes the referendum as a chance to restore neutrality's credibility.
Opponents answer that neutrality has never meant equal treatment of every government or silence during an armed conflict. Socialist parliamentarian Samuel Bendahan has warned that Russian President Vladimir Putin would welcome a Swiss vote for the initiative. Moscow has already praised the proposal and accused Bern of abandoning its neutral status after Switzerland adopted EU sanctions.
The dispute reaches beyond the ballot's immediate legal effects. It will shape how foreign governments read Switzerland's willingness to impose costs, mediate disputes and cooperate with European institutions.
A No Would Leave the Debate Open
A rejection would preserve the current framework, while leaving the argument unresolved. The government and parliament would retain discretion to interpret neutrality as international conditions change. That flexibility could support sanctions, humanitarian diplomacy and selective cooperation with European security partners, while keeping Switzerland outside formal military alliances.
Supporters would regard a no vote as a warning that the country has allowed its traditional identity to erode. Sommaruga says Switzerland risks being seen abroad as having abandoned neutrality altogether unless it adopts a clear constitutional definition. For the initiative's backers, the referendum is a defence of sovereignty and the country's long established role as an independent mediator.
The latest numbers give opponents a strong advantage, but the vote will still carry diplomatic weight. Switzerland's response to future conflicts will be judged against the campaign's competing definitions: neutrality as a strict legal barrier, or neutrality as a policy that can coexist with sanctions and criticism of aggression.
Voters will also decide on a separate food initiative seeking to lift national self sufficiency from 42% in 2024 to 70%. That proposal is expected to fail as well. Together, the ballots place national resilience, external pressure and the limits of government action before the electorate. The neutrality vote will be the more consequential test for Switzerland's foreign policy identity.