# 1975 Swiss federal election

Federal elections were held in Switzerland on 26 October 1975. The Social Democratic Party emerged as the largest party in the National Council, winning 55 of the 200 seats. As of 2023, this is the last time turnout has reached 50% in a federal election.

## Results
### National Council

| | Social Democratic Party | 480,396 | 24.87 | 55 | +9 |
| | Free Democratic Party | 428,919 | 22.21 | 47 | –2 |
| | Christian Democratic People's Party | 407,286 | 21.09 | 46 | +2 |
| | Swiss People's Party | 192,053 | 9.94 | 21 | –2 |
| | Alliance of Independents | 117,217 | 6.07 | 11 | –2 |
| | Republican Movement | 57,192 | 2.96 | 4 | –3 |
| | National Action | 47,796 | 2.47 | 2 | –2 |
| | Liberal Democratic Union | 47,256 | 2.45 | 6 | 0 |
| | Swiss Party of Labour | 45,799 | 2.37 | 4 | –1 |
| | Evangelical People's Party | 37,959 | 1.97 | 3 | 0 |
| | Swiss Progressive Organisations | 19,173 | 0.99 | 0 | 0 |
| | Federal Democratic Union | 6,717 | 0.35 | 0 | – |
| | Autonomous Socialist Party | 6,706 | 0.35 | 1 | +1 |
| | Independent Social-Christian Party | 2,883 | 0.15 | 0 | 0 |
| | Vaud People's Movement for the Environment | 1,246 | 0.06 | 0 | – |
| | Other parties | 32,789 | 1.70 | 0 | – |
| Total | Total | 1,931,387 | 100.00 | 200 | 0 |
| Valid votes | Valid votes | 1,931,387 | 98.75 | | |
| Invalid/blank votes | Invalid/blank votes | 24,353 | 1.25 | | |
| Total votes | Total votes | 1,955,740 | 100.00 | | |
| Registered voters/turnout | Registered voters/turnout | 3,735,037 | 52.36 | | |
| Source: Nohlen & Stöver ||||||

#### By constituency

| Constituency | Seats | Electorate | Turnout | Party | Votes | Seats won |
| Aargau | 14 | 250,690 | 127,016 | Social Democratic Party | 425,626 | 4 |
| Aargau | 14 | 250,690 | 127,016 | Christian Democratic People's Party | 362,737 | 3 |
| Aargau | 14 | 250,690 | 127,016 | Free Democratic Party | 310,099 | 3 |
| Aargau | 14 | 250,690 | 127,016 | Swiss People's Party | 224,317 | 2 |
| Aargau | 14 | 250,690 | 127,016 | Ring of Independents | 116,355 | 1 |
| Aargau | 14 | 250,690 | 127,016 | Republican Movement | 114,327 | 1 |
| Aargau | 14 | 250,690 | 127,016 | Evangelical People's Party | 81,418 | 0 |
| Aargau | 14 | 250,690 | 127,016 | National Action | 61,001 | 0 |
| Aargau | 14 | 250,690 | 127,016 | Team 67 | 34,740 | 0 |
| Aargau | 14 | 250,690 | 127,016 | Revolutionary Marxist League | 10,054 | 0 |
| Aargau | 14 | 250,690 | 127,016 | Swiss Progressive Organisations | 9,842 | 0 |
| Aargau | 14 | 250,690 | 127,016 | League for the Protection of Living Space and Quality of Life | 5,871 | 0 |
| Appenzell Ausserrhoden | 2 | 29,485 | 13,020 | Free Democratic Party | 11,162 | 1 |
| Appenzell Ausserrhoden | 2 | 29,485 | 13,020 | Social Democratic Party | 9,771 | 1 |
| Appenzell Ausserrhoden | 2 | 29,485 | 13,020 | Christian Democratic People's Party | 3,431 | 0 |
| Appenzell Innerrhoden | 1 | 7,817 | 2,310 | Christian Democratic People's Party | 2,215 | 1 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Social Democratic Party | 128,040 | 2 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Free Democratic Party | 101,186 | 2 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Christian Democratic People's Party | 56,044 | 1 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Ring of Independents | 47,318 | 1 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Swiss People's Party | 44,991 | 1 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | National Action | 23,575 | 0 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Swiss Progressive Organisations | 13,955 | 0 |
| Basel-Landschaft | 7 | 125,994 | 60,885 | Party of Labour | 7,517 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Social Democratic Party | 143,994 | 3 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Christian Democratic People's Party | 52,180 | 1 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Liberal Party | 49,989 | 1 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Free Democratic Party | 49,111 | 1 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Ring of Independents | 42,659 | 1 |
| Basel-Stadt | 7 | 141,727 | 62,009 | National Action | 35,270 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Party of Labour | 19,948 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Swiss Progressive Organisations | 18,263 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Evangelical People's Party | 17,164 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | League for the Protection of Living Space and Quality of Life | 1,469 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Revolutionary Marxist League | 1,331 | 0 |
| Basel-Stadt | 7 | 141,727 | 62,009 | Interest Group for Swiss Workers | 442 | 0 |
| Bern | 31 | 621,787 | 337,852 | Social Democratic Party | 3,201,703 | 11 |
| Bern | 31 | 621,787 | 337,852 | Swiss People's Party | 2,799,584 | 10 |
| Bern | 31 | 621,787 | 337,852 | Free Democratic Party | 1,820,573 | 6 |
| Bern | 31 | 621,787 | 337,852 | Christian Democratic People's Party | 546,802 | 1 |
| Bern | 31 | 621,787 | 337,852 | Ring of Independents | 488,260 | 1 |
| Bern | 31 | 621,787 | 337,852 | Evangelical People's Party | 356,708 | 1 |
| Bern | 31 | 621,787 | 337,852 | National Action | 349,086 | 1 |
| Bern | 31 | 621,787 | 337,852 | Republican Movement | 246,808 | 0 |
| Bern | 31 | 621,787 | 337,852 | Unité Jurassienne | 189,346 | 0 |
| Bern | 31 | 621,787 | 337,852 | Federal Democratic Union | 111,411 | 0 |
| Bern | 31 | 621,787 | 337,852 | Independent Social-Christian Party | 88,568 | 0 |
| Bern | 31 | 621,787 | 337,852 | Party of Labour | 65,427 | 0 |
| Bern | 31 | 621,787 | 337,852 | Swiss Progressive Organisations | 47,740 | 0 |
| Bern | 31 | 621,787 | 337,852 | Revolutionary Marxist League | 16,505 | 0 |
| Fribourg | 6 | 110,279 | 52,557 | Christian Democratic People's Party | 144,411 | 3 |
| Fribourg | 6 | 110,279 | 52,557 | Social Democratic Party | 79,215 | 2 |
| Fribourg | 6 | 110,279 | 52,557 | Free Democratic Party | 68,083 | 1 |
| Fribourg | 6 | 110,279 | 52,557 | Swiss People's Party | 13,175 | 0 |
| Fribourg | 6 | 110,279 | 52,557 | Socio-Ecological People's Movement | 1,972 | 0 |
| Fribourg | 6 | 110,279 | 52,557 | Revolutionary Marxist League | 1,055 | 0 |
| Geneva | 11 | 177,047 | 80,338 | Social Democratic Party | 195,666 | 3 |
| Geneva | 11 | 177,047 | 80,338 | Party of Labour | 155,261 | 2 |
| Geneva | 11 | 177,047 | 80,338 | Free Democratic Party | 143,434 | 2 |
| Geneva | 11 | 177,047 | 80,338 | Liberal Party | 138,454 | 2 |
| Geneva | 11 | 177,047 | 80,338 | Christian Democratic People's Party | 126,622 | 1 |
| Geneva | 11 | 177,047 | 80,338 | Vigilance | 59,838 | 1 |
| Geneva | 11 | 177,047 | 80,338 | Ring of Independents | 20,728 | 0 |
| Geneva | 11 | 177,047 | 80,338 | National Action | 14,543 | 0 |
| Geneva | 11 | 177,047 | 80,338 | Revolutionary Marxist League | 9,373 | 0 |
| Glarus | 1 | 22,277 | 7,434 | Social Democratic Party | 4,554 | 1 |
| Glarus | 1 | 22,277 | 7,434 | Action for Real Elections | 1,659 | 0 |
| Grisons | 5 | 95,389 | 47,340 | Christian Democratic People's Party | 83,395 | 2 |
| Grisons | 5 | 95,389 | 47,340 | Swiss People's Party | 62,551 | 1 |
| Grisons | 5 | 95,389 | 47,340 | Free Democratic Party | 42,067 | 1 |
| Grisons | 5 | 95,389 | 47,340 | Social Democratic Party | 35,384 | 1 |
| Grisons | 5 | 95,389 | 47,340 | National Action | 8,180 | 0 |
| Grisons | 5 | 95,389 | 47,340 | Liberal Movement | 685 | 0 |
| Lucerne | 9 | 173,714 | 110,968 | Christian Democratic People's Party | 492,254 | 5 |
| Lucerne | 9 | 173,714 | 110,968 | Free Democratic Party | 285,562 | 3 |
| Lucerne | 9 | 173,714 | 110,968 | Social Democratic Party | 131,826 | 1 |
| Lucerne | 9 | 173,714 | 110,968 | Ring of Independents | 51,653 | 0 |
| Lucerne | 9 | 173,714 | 110,968 | Swiss Progressive Organisations | 17,285 | 0 |
| Lucerne | 9 | 173,714 | 110,968 | Revolutionary Marxist League | 3,454 | 0 |
| Neuchâtel | 5 | 96,482 | 45,585 | Social Democratic Party | 86,051 | 2 |
| Neuchâtel | 5 | 96,482 | 45,585 | Free Democratic Party | 49,586 | 2 |
| Neuchâtel | 5 | 96,482 | 45,585 | Liberal Party | 48,935 | 1 |
| Neuchâtel | 5 | 96,482 | 45,585 | Party of Labour | 21,777 | 0 |
| Neuchâtel | 5 | 96,482 | 45,585 | Progressive National Party | 12,122 | 0 |
| Neuchâtel | 5 | 96,482 | 45,585 | Revolutionary Marxist League | 3,001 | 0 |
| Nidwalden | 1 | 16,600 | 6,455 | Christian Democratic People's Party | 5,240 | 1 |
| Obwalden | 1 | 15,213 | 3,222 | Christian Democratic People's Party | 2,668 | 1 |
| Schaffhausen | 2 | 42,032 | 31,139 | Free Democratic Party | 23,693 | 1 |
| Schaffhausen | 2 | 42,032 | 31,139 | Social Democratic Party | 21,978 | 1 |
| Schaffhausen | 2 | 42,032 | 31,139 | Ring of Independents | 9,832 | 0 |
| Schaffhausen | 2 | 42,032 | 31,139 | Swiss Progressive Organisations | 3,614 | 0 |
| Schwyz | 3 | 54,425 | 29,016 | Christian Democratic People's Party | 38,795 | 2 |
| Schwyz | 3 | 54,425 | 29,016 | Social Democratic Party | 24,537 | 1 |
| Schwyz | 3 | 54,425 | 29,016 | Free Democratic Party | 17,796 | 0 |
| Schwyz | 3 | 54,425 | 29,016 | Swiss People's Party | 2,541 | 0 |
| Solothurn | 7 | 133,245 | 85,667 | Free Democratic Party | 227,387 | 3 |
| Solothurn | 7 | 133,245 | 85,667 | Social Democratic Party | 184,312 | 2 |
| Solothurn | 7 | 133,245 | 85,667 | Christian Democratic People's Party | 152,623 | 2 |
| Solothurn | 7 | 133,245 | 85,667 | Swiss Progressive Organisations | 20,002 | 0 |
| Solothurn | 7 | 133,245 | 85,667 | Revolutionary Marxist League | 3,465 | 0 |
| St. Gallen | 12 | 222,338 | 118,882 | Christian Democratic People's Party | 608,805 | 6 |
| St. Gallen | 12 | 222,338 | 118,882 | Free Democratic Party | 352,753 | 3 |
| St. Gallen | 12 | 222,338 | 118,882 | Social Democratic Party | 212,249 | 2 |
| St. Gallen | 12 | 222,338 | 118,882 | Ring of Independents | 112,850 | 1 |
| St. Gallen | 12 | 222,338 | 118,882 | Republican Movement | 75,384 | 0 |
| St. Gallen | 12 | 222,338 | 118,882 | National Action | 30,300 | 0 |
| St. Gallen | 12 | 222,338 | 118,882 | Swiss Progressive Organisations | 6,979 | 0 |
| St. Gallen | 12 | 222,338 | 118,882 | Party of Labour | 5,791 | 0 |
| Ticino | 8 | 141,564 | 91,281 | Free Democratic Party | 275,594 | 3 |
| Ticino | 8 | 141,564 | 91,281 | Christian Democratic People's Party | 251,299 | 3 |
| Ticino | 8 | 141,564 | 91,281 | Social Democratic Party | 97,672 | 1 |
| Ticino | 8 | 141,564 | 91,281 | Autonomous Socialist Party | 53,474 | 1 |
| Ticino | 8 | 141,564 | 91,281 | Party of Labour | 25,099 | 0 |
| Ticino | 8 | 141,564 | 91,281 | Ticino Democratic Rights | 1,666 | 0 |
| Thurgau | 6 | 101,617 | 57,555 | Swiss People's Party | 85,358 | 2 |
| Thurgau | 6 | 101,617 | 57,555 | Christian Democratic People's Party | 75,767 | 2 |
| Thurgau | 6 | 101,617 | 57,555 | Social Democratic Party | 73,350 | 1 |
| Thurgau | 6 | 101,617 | 57,555 | Free Democratic Party | 49,054 | 1 |
| Thurgau | 6 | 101,617 | 57,555 | Republican Movement | 25,719 | 0 |
| Thurgau | 6 | 101,617 | 57,555 | Ring of Independents | 22,476 | 0 |
| Thurgau | 6 | 101,617 | 57,555 | National Action | 8,397 | 0 |
| Uri | 1 | 20,704 | 9,785 | Free Democratic Party | 6,519 | 1 |
| Uri | 1 | 20,704 | 9,785 | Christian Democratic People's Party | 1,596 | 0 |
| Vaud | 16 | 299,846 | 130,485 | Social Democratic Party | 562,139 | 5 |
| Vaud | 16 | 299,846 | 130,485 | Free Democratic Party | 522,416 | 5 |
| Vaud | 16 | 299,846 | 130,485 | Liberal Party | 277,595 | 2 |
| Vaud | 16 | 299,846 | 130,485 | Party of Labour | 217,472 | 2 |
| Vaud | 16 | 299,846 | 130,485 | Swiss People's Party | 163,959 | 1 |
| Vaud | 16 | 299,846 | 130,485 | National Action | 96,007 | 0 |
| Vaud | 16 | 299,846 | 130,485 | Christian Democratic People's Party | 94,074 | 1 |
| Vaud | 16 | 299,846 | 130,485 | Revolutionary Marxist League | 32,213 | 0 |
| Vaud | 16 | 299,846 | 130,485 | Ring of Independents | 31,758 | 0 |
| Vaud | 16 | 299,846 | 130,485 | Republican Movement | 21,245 | 0 |
| Vaud | 16 | 299,846 | 130,485 | Vaud People's Movement for the Environment | 19,803 | 0 |
| Valais | 7 | 128,056 | 85,263 | Christian Democratic People's Party | 349,366 | 5 |
| Valais | 7 | 128,056 | 85,263 | Social Democratic Party | 101,895 | 1 |
| Valais | 7 | 128,056 | 85,263 | Free Democratic Party | 110,273 | 1 |
| Valais | 7 | 128,056 | 85,263 | Movement for Democracy and Progress | 23,273 | 0 |
| Zug | 2 | 40,584 | 23,901 | Christian Democratic People's Party | 18,620 | 1 |
| Zug | 2 | 40,584 | 23,901 | Social Democratic Party | 16,858 | 1 |
| Zug | 2 | 40,584 | 23,901 | Free Democratic Party | 10,934 | 0 |
| Zug | 2 | 40,584 | 23,901 | Revolutionary Marxist League | 864 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Social Democratic Party | 2,781,707 | 9 |
| Zürich | 35 | 664,201 | 335,787 | Free Democratic Party | 2,144,524 | 7 |
| Zürich | 35 | 664,201 | 335,787 | Ring of Independents | 1,811,587 | 6 |
| Zürich | 35 | 664,201 | 335,787 | Swiss People's Party | 1,318,112 | 4 |
| Zürich | 35 | 664,201 | 335,787 | Christian Democratic People's Party | 1,089,140 | 4 |
| Zürich | 35 | 664,201 | 335,787 | Republican Movement | 720,884 | 2 |
| Zürich | 35 | 664,201 | 335,787 | Evangelical People's Party | 625,227 | 2 |
| Zürich | 35 | 664,201 | 335,787 | National Action | 507,637 | 1 |
| Zürich | 35 | 664,201 | 335,787 | Swiss Progressive Organisations | 177,032 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Party of Labour | 127,893 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Politically Interested Women | 89,584 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Federal Democratic Union | 60,733 | 0 |
| Zürich | 35 | 664,201 | 335,787 | League for the Protection of Living Space and Quality of Life | 48,109 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Liberal Socialist and Free Citizens | 38,390 | 0 |
| Zürich | 35 | 664,201 | 335,787 | New Democratic Movement | 30,415 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Revolutionary Marxist League | 23,743 | 0 |
| Zürich | 35 | 664,201 | 335,787 | Free Zürich Citizens | 13,994 | 0 |
| Zürich | 35 | 664,201 | 335,787 | European Federalist Party | 10,498 | 0 |
| Source: Bundesblatt, 1 December 1975 ||||||||

### Council of the States

| | Christian Democratic People's Party | 17 | 0 |
| | Free Democratic Party | 15 | 0 |
| | Swiss People's Party | 5 | 0 |
| | Social Democratic Party | 5 | +1 |
| | Liberal Democratic Union | 1 | –1 |
| | Alliance of Independents | 1 | 0 |
| Total | Total | 44 | 0 |
| Source: Nohlen & Stöver ||||