electionstracker

Switzerland 2015 federal election

What was the result of the 2015 federal election in Switzerland?

Swiss People's Party won 65 of 200 seats with 29.4% of the vote. 48.5% of registered voters cast a ballot.

  • Switzerland
  • Held:
  • Final result
  • ParlGov, read 5 October 2026

Which party won the most seats?

Final results from ParlGov, read : Swiss People's Party won 65 of 200 seats with 29.4% of the vote; 48.5% of registered voters cast a ballot, unchanged on 2011.

  • Swiss People's Party 65 +11 seats 29.4% +2.8 points
  • Social Democratic Party of Switzerland 43 −3 seats 18.8% +0.1 points
  • Free Democratic Party of Switzerland 33 +3 seats 16.4% +1.3 points
  • Christian Democratic People's Party of Switzerland 27 −1 seat 11.7% −0.7 points
  • Green Party of Switzerland 11 −4 seats 7.1% −1.4 points
  • Green Liberal Party of Switzerland 7 −5 seats 4.6% −0.8 points
  • Conservative Democratic Party of Switzerland 7 −2 seats 4.1% −1.3 points
  • Evangelical People's Party of Switzerland 2 0 seats 2.1% +0.1 points
  • Ticino League 2 0 seats 1.0% +0.2 points
  • Swiss Party of Labour 1 0.9%
  • Geneva Citizens' Movement 1 0 seats 0.3% −0.1 points
  • Seats won
  • Change on the previous election at the right
  • Share of the vote
  • Share at the previous election
  • Change in points at the right

Changes are against the Switzerland 2011 federal election, party by party.

101 of 200 seats make a majority

Key numbers

  1. 29.4%

    Share of the vote won by Swiss People's Party

    Swiss People's Party won 65 of 200 seats. A majority needs 101.

  2. +11 seats

    Seats gained by Swiss People's Party

    The largest gain in seats compared with 2011. Green Liberal Party of Switzerland lost 5 seats.

  3. 48.5%

    Voter turnout

    Unchanged on 2011.

Seats and votes by party

PartySeats± seats%± pointsVotes
Swiss People's Party65+1129.4+2.8740,967
Social Democratic Party of Switzerland43−318.8+0.1475,074
Free Democratic Party of Switzerland33+316.4+1.3413,445
Christian Democratic People's Party of Switzerland27−111.7−0.7293,652
Green Party of Switzerland11−47.1−1.4177,944
Green Liberal Party of Switzerland7−54.6−0.8116,640
Conservative Democratic Party of Switzerland7−24.1−1.3103,476
Evangelical People's Party of Switzerland202.1+0.147,770
Federal Democratic Union of Switzerland001.2−0.129,939
Ticino League201.0+0.225,221
Swiss Party of Labour10.921,574
Geneva Citizens' Movement100.3−0.18,184
Other parties (seats only)1

± is the change against the Switzerland 2011 federal election, party by party.

Votes by party
  • Swiss People's Party 740,967
  • Social Democratic Party of Switzerland 475,074
  • Free Democratic Party of Switzerland 413,445
  • Christian Democratic People's Party of Switzerland 293,652
  • Green Party of Switzerland 177,944
  • Green Liberal Party of Switzerland 116,640
  • Conservative Democratic Party of Switzerland 103,476
  • Evangelical People's Party of Switzerland 47,770
  • Federal Democratic Union of Switzerland 29,939
  • Ticino League 25,221
  • Swiss Party of Labour 21,574
  • Geneva Citizens' Movement 8,184
  • Other parties (seats only)

ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes.

How many people voted?

48.5% of the 5,283,556 registered voters cast a ballot (2,563,052 ballots), unchanged on 2011. 2,521,502 of them were valid votes. The highest turnout since 1983 in our data.

How do the votes compare with the seats?

  • Swiss People's Party29.4% of votes32.5% of seats
  • Social Democratic Party of Switzerland18.8% of votes21.5% of seats
  • Free Democratic Party of Switzerland16.4% of votes16.5% of seats
  • Christian Democratic People's Party of Switzerland11.7% of votes13.5% of seats
  • Green Party of Switzerland7.1% of votes5.5% of seats
  • Green Liberal Party of Switzerland4.6% of votes3.5% of seats
  • Conservative Democratic Party of Switzerland4.1% of votes3.5% of seats
  • Evangelical People's Party of Switzerland2.1% of votes1.0% of seats
  • Ticino League1.0% of votes1.0% of seats
  • Swiss Party of Labour0.9% of votes0.5% of seats
  • Geneva Citizens' Movement0.3% of votes0.5% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 3.7 (0 when seats follow votes exactly); the effective number of parties is 5.8 by votes and 4.9 by seats; Swiss People's Party led Social Democratic Party of Switzerland by 10.6 points of the vote.

Time and source Data as of