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