Switzerland 1975 federal election
What was the result of the 1975 federal election in Switzerland?
Social Democratic Party of Switzerland won 55 of 200 seats with 24.9% of the vote. 52.4% 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 55 of 200 seats with 24.9% of the vote; 52.4% of registered voters cast a ballot, down 4.5 points on 1971.
- Social Democratic Party of Switzerland 55 +9 seats 24.9% +2.0 points
- Free Democratic Party of Switzerland 47 −2 seats 22.2% +0.4 points
- Christian Democratic People's Party of Switzerland 46 +2 seats 21.1% +0.8 points
- Swiss People's Party 21 −2 seats 9.9% −1.2 points
- Alliance of Independents 11 −2 seats 6.1% −1.5 points
- Republican Movement 4 −3 seats 3.0% −1.3 points
- Swiss Democrats 2 −2 seats 2.5% −0.7 points
- Liberal Party of Switzerland 6 0 seats 2.4% +0.2 points
- Swiss Party of Labour 4 −1 seat 2.4% −0.2 points
- Evangelical People's Party of Switzerland 3 0 seats 2.0% −0.1 points
- Autonomous Socialist Party 1 0.3%
- 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 1971 federal election, party by party.
- Social Democratic Party of Switzerland55
- Free Democratic Party of Switzerland47
- Christian Democratic People's Party of Switzerland46
- Swiss People's Party21
- Alliance of Independents11
- Liberal Party of Switzerland6
- Republican Movement4
- Swiss Party of Labour4
- Evangelical People's Party of Switzerland3
- Swiss Democrats2
- Autonomous Socialist Party1
Key numbers
24.9%
Share of the vote won by Social Democratic Party of Switzerland
Social Democratic Party of Switzerland won 55 of 200 seats. A majority needs 101.
+9 seats
Seats gained by Social Democratic Party of Switzerland
The largest gain in seats compared with 1971. Alliance of Independents lost 2 seats.
52.4%
Voter turnout
Down 4.5 points on 1971.
Seats and votes by party
| Party | Seats | ± seats | % | ± points | Votes |
|---|---|---|---|---|---|
| Social Democratic Party of Switzerland | 55 | +9 | 24.9 | +2.0 | 480,396 |
| Free Democratic Party of Switzerland | 47 | −2 | 22.2 | +0.4 | 428,919 |
| Christian Democratic People's Party of Switzerland | 46 | +2 | 21.1 | +0.8 | 407,286 |
| Swiss People's Party | 21 | −2 | 9.9 | −1.2 | 192,053 |
| Alliance of Independents | 11 | −2 | 6.1 | −1.5 | 117,217 |
| Republican Movementwith Vigilants | 4 | −3 | 3.0 | −1.3 | 57,192 |
| Swiss Democrats | 2 | −2 | 2.5 | −0.7 | 47,796 |
| Liberal Party of Switzerland | 6 | 0 | 2.4 | +0.2 | 47,256 |
| Swiss Party of Labour | 4 | −1 | 2.4 | −0.2 | 45,799 |
| Evangelical People's Party of Switzerland | 3 | 0 | 2.0 | −0.1 | 37,959 |
| Progressive Organizations of Switzerland | 0 | 1.0 | 19,173 | ||
| Autonomous Socialist Party | 1 | 0.3 | 6,706 |
± is the change against the Switzerland 1971 federal election, party by party.
Votes by party
- Social Democratic Party of Switzerland 480,396
- Free Democratic Party of Switzerland 428,919
- Christian Democratic People's Party of Switzerland 407,286
- Swiss People's Party 192,053
- Alliance of Independents 117,217
- Republican Movement 57,192
- Swiss Democrats 47,796
- Liberal Party of Switzerland 47,256
- Swiss Party of Labour 45,799
- Evangelical People's Party of Switzerland 37,959
- Progressive Organizations of Switzerland 19,173
- Autonomous Socialist Party 6,706
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?
52.4% of the 3,735,037 registered voters cast a ballot (1,955,740 ballots), down 4.5 points on 1971. 1,931,387 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 Switzerland24.9% of votes27.5% of seats
- Free Democratic Party of Switzerland22.2% of votes23.5% of seats
- Christian Democratic People's Party of Switzerland21.1% of votes23.0% of seats
- Swiss People's Party9.9% of votes10.5% of seats
- Alliance of Independents6.1% of votes5.5% of seats
- Liberal Party of Switzerland2.4% of votes3.0% of seats
- Republican Movement3.0% of votes2.0% of seats
- Swiss Party of Labour2.4% of votes2.0% of seats
- Evangelical People's Party of Switzerland2.0% of votes1.5% of seats
- Swiss Democrats2.5% of votes1.0% of seats
- Autonomous Socialist Party0.3% of votes0.5% of seats
The Gallagher index of disproportionality is 3.0 (0 when seats follow votes exactly); the effective number of parties is 5.8 by votes and 5.0 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