electionstracker

Switzerland 1963 federal election

What was the result of the 1963 federal election in Switzerland?

Social Democratic Party of Switzerland won 53 of 200 seats with 26.6% of the vote. 66.1% 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 200 seats with 26.6% of the vote; 66.1% of registered voters cast a ballot, down 2.4 points on 1959.

  • Social Democratic Party of Switzerland 53 +2 seats 26.6% +0.2 points
  • Free Democratic Party of Switzerland 51 0 seats 23.9% +0.2 points
  • Christian Democratic People's Party of Switzerland 48 +1 seat 23.4% +0.1 points
  • Swiss People's Party 22 −1 seat 11.4% −0.2 points
  • Alliance of Independents 10 0 seats 5.0% −0.5 points
  • Liberal Party of Switzerland 6 +1 seat 2.2% −0.1 points
  • Swiss Party of Labour 4 +1 seat 2.2% −0.5 points
  • Democratic Group 4 0 seats 1.8% −0.4 points
  • Evangelical People's Party of Switzerland 2 0 seats 1.6% +0.2 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 1959 federal election, party by party.

101 of 200 seats make a majority

Key numbers

  1. 26.6%

    Share of the vote won by Social Democratic Party of Switzerland

    Social Democratic Party of Switzerland won 53 of 200 seats. A majority needs 101.

  2. +2 seats

    Seats gained by Social Democratic Party of Switzerland

    The largest gain in seats compared with 1959. Swiss People's Party lost 1 seat.

  3. 66.1%

    Voter turnout

    Down 2.4 points on 1959.

Seats and votes by party

PartySeats± seats%± pointsVotes
Social Democratic Party of Switzerland53+226.6+0.2256,063
Free Democratic Party of Switzerland51023.9+0.2230,200
Christian Democratic People's Party of Switzerland48+123.4+0.1225,160
Swiss People's Party22−111.4−0.2109,202
Alliance of Independents1005.0−0.548,224
Liberal Party of Switzerland6+12.2−0.121,501
Swiss Party of Labour4+12.2−0.521,088
Democratic Group401.8−0.416,978
Evangelical People's Party of Switzerland201.6+0.215,690

± is the change against the Switzerland 1959 federal election, party by party.

Votes by party
  • Social Democratic Party of Switzerland 256,063
  • Free Democratic Party of Switzerland 230,200
  • Christian Democratic People's Party of Switzerland 225,160
  • Swiss People's Party 109,202
  • Alliance of Independents 48,224
  • Liberal Party of Switzerland 21,501
  • Swiss Party of Labour 21,088
  • Democratic Group 16,978
  • Evangelical People's Party of Switzerland 15,690

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?

66.1% of the 1,493,026 registered voters cast a ballot (986,997 ballots), down 2.4 points on 1959. 969,037 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1947.

How do the votes compare with the seats?

  • Social Democratic Party of Switzerland26.6% of votes26.5% of seats
  • Free Democratic Party of Switzerland23.9% of votes25.5% of seats
  • Christian Democratic People's Party of Switzerland23.4% of votes24.0% of seats
  • Swiss People's Party11.4% of votes11.0% of seats
  • Alliance of Independents5.0% of votes5.0% of seats
  • Liberal Party of Switzerland2.2% of votes3.0% of seats
  • Swiss Party of Labour2.2% of votes2.0% of seats
  • Democratic Group1.8% of votes2.0% of seats
  • Evangelical People's Party of Switzerland1.6% of votes1.0% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 1.4 (0 when seats follow votes exactly); the effective number of parties is 5.0 by votes and 4.8 by seats; Social Democratic Party of Switzerland led Free Democratic Party of Switzerland by 2.7 points of the vote.

Time and source Data as of