Swiss Federal Election 2027

What this countdown tracks

Switzerland goes to the polls on Sunday 24 October 2027 to elect both chambers of the Federal Assembly: all 200 seats of the National Council and the 46 seats of the Council of States (with canton-specific timing). The vote sets the composition that will re-elect the seven-member Federal Council in December.

Background

Federal elections take place every four years on the last Sunday in October under the Federal Act on Political Rights. The National Council's 200 seats are distributed among the 26 cantons by population, with each canton forming a constituency; larger cantons use proportional representation with the Hagenbach-Bischoff method, while six single-seat cantons vote by first-past-the-post. The Council of States is mostly elected by cantonal rules, typically two-round majority; Appenzell Innerrhoden elected its senator at Landsgemeinde on 30 April 2027.

The 2023 federal election was held on 22 October 2023 and produced gains for the Swiss People's Party (SVP) with 27.9 percent, while the Greens and Green Liberals lost ground. The new Federal Council was elected on 13 December 2023 and entered office on 1 January 2024. Ignazio Cassis (FDP) and Karin Keller-Sutter (FDP) remain long-serving members; the Federal Chancellor's office tracks the magic-formula 2-2-2-1 distribution that has held since 1959 with minor disruptions. Swiss postal-voting rose from roughly 60 percent in the early 2000s to above 90 percent in 2023, and the federal electorate numbers around 5.6 million citizens including Swiss nationals abroad registered with consular rolls.

The 2027 vote will be the first since the June 2025 vote on pension reforms and the ongoing EU bilateral-treaty package ratifications.

Why the date matters

24 October 2027 is fixed by Article 19 of the Federal Act on Political Rights, which schedules the National Council election on the penultimate Sunday of October in the election year — a rule applied consistently since 1919. The Federal Council sets the date by decree in the preceding autumn; publication in the Federal Gazette confirms it. Unlike most European countries, Switzerland cannot hold snap elections: the constitutional schedule is rigid. The 2023 election on 22 October and the 2019 election on 20 October both confirmed the pattern, with the Federal Council invariably selecting the second-last Sunday of October rather than a later date.

What to watch for

• SVP vote share compared with 27.9 percent in 2023.
• Green and Green Liberal recovery after 2023 losses.
• Council of States run-off calendars in multi-seat cantons through November.
• Postal-voting share, already above 90 percent nationally.
• Magic-formula debate ahead of the December Federal Council election.
• Swiss Abroad expatriate turnout and consular-ballot returns.
• Concurrent federal referendum questions on the 24 October ballot.
• Cantonal variation in turnout between German-, French- and Italian-speaking regions.
• Social Democratic, Centre Party and FDP performance relative to 2023 baselines.

Historical context

Switzerland's federal election cycle has been uninterrupted since 1848, with only minor statutory updates to polling rules; the 2011 adoption of electronic voter rolls and the 2014 reform to counting procedures are the most recent. The magic-formula consociational distribution of the seven-member Federal Council, in place broadly since 1959, has proved durable through shifts in party support. In December 2007, Justice Minister Christoph Blocher was denied re-election in a rare disruption; the Swiss Greens' 2019 surge briefly put the formula under renewed pressure before the 2023 result restored the status quo. The 2027 outcome will determine whether that equilibrium holds for another four-year term.

Related events to track

European election cycle watchers pair Switzerland with the Italian General Election 2027 and Spanish General Election 2027. For EU regulatory comparators see the DMA First Review.

FAQ

When exactly is the Swiss federal election? Sunday 24 October 2027, the penultimate Sunday of October. Polling stations close nationwide by midday Sunday after a week of postal voting.

Is the election confirmed or expected? Confirmed. The date is fixed by federal statute and the Federal Council decree, with no provision for bringing the vote forward or backward.

Who is responsible for running the election? Cantons administer the vote under cantonal electoral offices; the Federal Chancellery compiles and publishes national results, and SRG SSR broadcasts real-time projections.

Where can I read the official announcement? Bk.admin.ch and ch.ch publish the electoral calendar and results, with cantonal statistical offices providing granular breakdowns on the Sunday evening.