electionstracker

Switzerland 1983 federal election

What was the result of the 1983 federal election in Switzerland?

Free Democratic Party of Switzerland won 54 of 200 seats with 23.3% of the vote. 48.9% 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 : Free Democratic Party of Switzerland won 54 of 200 seats with 23.3% of the vote; 48.9% of registered voters cast a ballot, up 0.9 points on 1979.

  • Free Democratic Party of Switzerland 54 +3 seats 23.3% −0.7 points
  • Social Democratic Party of Switzerland 47 −4 seats 22.8% −1.6 points
  • Christian Democratic People's Party of Switzerland 42 −2 seats 20.2% −1.1 points
  • Swiss People's Party 23 0 seats 11.1% −0.5 points
  • Alliance of Independents 8 0 seats 4.0% −0.1 points
  • Swiss Democrats 4 +2 seats 2.9% +1.6 points
  • Liberal Party of Switzerland 8 0 seats 2.8% 0.0 points
  • Progressive Organizations of Switzerland 3 +1 seat 2.2% +2.0 points
  • Evangelical People's Party of Switzerland 3 0 seats 2.1% −0.1 points
  • Green Party of Switzerland 3 +2 seats 1.9% +1.3 points
  • Swiss Party of Labour 1 −2 seats 0.9% +0.5 points
  • Republican Movement 1 0 seats 0.5% −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 1979 federal election, party by party.

101 of 200 seats make a majority

Key numbers

  1. 23.3%

    Share of the vote won by Free Democratic Party of Switzerland

    Free Democratic Party of Switzerland won 54 of 200 seats. A majority needs 101.

  2. +3 seats

    Seats gained by Free Democratic Party of Switzerland

    The largest gain in seats compared with 1979. Social Democratic Party of Switzerland lost 4 seats.

  3. 48.9%

    Voter turnout

    Up 0.9 points on 1979.

Seats and votes by party

The other parties and groups
PartySeats± seats%± pointsVotes
Republican Movementwith Vigilants100.5−0.110,148
Autonomous Socialist Party100.5−1.29,962
Committee Herbert Maeder1
Unnamed party with one seat10

± is the change against the Switzerland 1979 federal election, party by party.

Votes by party
  • Free Democratic Party of Switzerland 457,283
  • Social Democratic Party of Switzerland 447,634
  • Christian Democratic People's Party of Switzerland 396,281
  • Swiss People's Party 217,166
  • Alliance of Independents 78,292
  • Swiss Democrats 57,592
  • Liberal Party of Switzerland 55,326
  • Progressive Organizations of Switzerland 43,694
  • Evangelical People's Party of Switzerland 40,837
  • Green Party of Switzerland 37,079
  • Feminists and Green-Alternative Groups 20,063
  • Swiss Party of Labour 17,488
  • Republican Movement 10,148
  • Autonomous Socialist Party 9,962
  • Committee Herbert Maeder
  • Unnamed party with one seat

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.

ParlGov counts an alliance's votes and seats under its first party: such a row names the allies it counts.

How many people voted?

48.9% of the 4,068,940 registered voters cast a ballot (1,989,960 ballots), up 0.9 points on 1979. 1,959,841 of them were valid votes.

How do the votes compare with the seats?

  • Free Democratic Party of Switzerland23.3% of votes27.0% of seats
  • Social Democratic Party of Switzerland22.8% of votes23.5% of seats
  • Christian Democratic People's Party of Switzerland20.2% of votes21.0% of seats
  • Swiss People's Party11.1% of votes11.5% of seats
  • Alliance of Independents4.0% of votes4.0% of seats
  • Liberal Party of Switzerland2.8% of votes4.0% of seats
  • Swiss Democrats2.9% of votes2.0% of seats
  • Progressive Organizations of Switzerland2.2% of votes1.5% of seats
  • Evangelical People's Party of Switzerland2.1% of votes1.5% of seats
  • Green Party of Switzerland1.9% of votes1.5% of seats
  • Swiss Party of Labour0.9% of votes0.5% of seats
  • Autonomous Socialist Party0.5% of votes0.5% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 3.2 (0 when seats follow votes exactly); the effective number of parties is 6.1 by votes and 5.3 by seats; Free Democratic Party of Switzerland led Social Democratic Party of Switzerland by 0.5 points of the vote.

Time and source Data as of