electionstracker

Switzerland 1955 federal election

What was the result of the 1955 federal election in Switzerland?

Social Democratic Party of Switzerland won 53 of 196 seats with 27.0% of the vote. 70.1% 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 : Social Democratic Party of Switzerland won 53 of 196 seats with 27.0% of the vote; 70.1% of registered voters cast a ballot, down 1.1 points on 1951.

  • Social Democratic Party of Switzerland 53 +4 seats 27.0% +1.0 points
  • Free Democratic Party of Switzerland 50 −1 seat 23.3% −0.7 points
  • Christian Democratic People's Party of Switzerland 47 −1 seat 23.2% +0.7 points
  • Swiss People's Party 22 −1 seat 12.1% −0.5 points
  • Alliance of Independents 10 0 seats 5.5% +0.4 points
  • Swiss Party of Labour 4 −1 seat 2.6% −0.1 points
  • Liberal Party of Switzerland 5 0 seats 2.2% −0.4 points
  • Democratic Group 4 0 seats 2.2% 0.0 points
  • Evangelical People's Party of Switzerland 1 0 seats 1.1% +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 1951 federal election, party by party.

99 of 196 seats make a majority

Key numbers

  1. 27.0%

    Share of the vote won by Social Democratic Party of Switzerland

    Social Democratic Party of Switzerland won 53 of 196 seats. A majority needs 99.

  2. +4 seats

    Seats gained by Social Democratic Party of Switzerland

    The largest gain in seats compared with 1951. Christian Democratic People's Party of Switzerland lost 1 seat.

  3. 70.1%

    Voter turnout

    Down 1.1 points on 1951.

Seats and votes by party

PartySeats± seats%± pointsVotes
Social Democratic Party of Switzerland53+427.0+1.0263,664
Free Democratic Party of Switzerland50−123.3−0.7227,370
Christian Democratic People's Party of Switzerland47−123.2+0.7226,122
Swiss People's Party22−112.1−0.5117,847
Alliance of Independents1005.5+0.453,450
Swiss Party of Labour4−12.6−0.125,060
Liberal Party of Switzerland502.2−0.421,688
Democratic Group402.20.021,003
Evangelical People's Party of Switzerland101.1+0.110,581
Liberal Socialist Party000.3−0.53,471

± is the change against the Switzerland 1951 federal election, party by party.

Votes by party
  • Social Democratic Party of Switzerland 263,664
  • Free Democratic Party of Switzerland 227,370
  • Christian Democratic People's Party of Switzerland 226,122
  • Swiss People's Party 117,847
  • Alliance of Independents 53,450
  • Swiss Party of Labour 25,060
  • Liberal Party of Switzerland 21,688
  • Democratic Group 21,003
  • Evangelical People's Party of Switzerland 10,581
  • Liberal Socialist Party 3,471

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?

70.1% of the 1,425,421 registered voters cast a ballot (998,881 ballots), down 1.1 points on 1951. 983,020 of them were valid votes.

How do the votes compare with the seats?

  • Social Democratic Party of Switzerland27.0% of votes27.0% of seats
  • Free Democratic Party of Switzerland23.3% of votes25.5% of seats
  • Christian Democratic People's Party of Switzerland23.2% of votes24.0% of seats
  • Swiss People's Party12.1% of votes11.2% of seats
  • Alliance of Independents5.5% of votes5.1% of seats
  • Liberal Party of Switzerland2.2% of votes2.6% of seats
  • Swiss Party of Labour2.6% of votes2.0% of seats
  • Democratic Group2.2% of votes2.0% of seats
  • Evangelical People's Party of Switzerland1.1% of votes0.5% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 1.9 (0 when seats follow votes exactly); the effective number of parties is 5.0 by votes and 4.7 by seats; Social Democratic Party of Switzerland led Free Democratic Party of Switzerland by 3.7 points of the vote.

Time and source Data as of