About 71 percent of voters voted against an initiative to tighten the constitutional rules of neutrality, in a referendum on Sunday, September 27, 2026, according to a projection by the polling institute GFS Bern for the Swiss Broadcasting Corporation (SRG).

In the preliminary count by the Federal Statistical Office, reported by the TASS news agency, the result was 68.6 percent opposed, 31.4 percent in favour and a turnout of 46.36 percent. The initiative sought to define Swiss neutrality as “perpetual and armed”.