| AL | Alternative Linke Alternative Left
 | 2010–2018 | 1.2% |  |  | 
      
      
        | AFPS | Auto-Partei / Freiheitspartei der Schweiz Automobile Party / Freedom Party of Switzerland
 | 1987–2018 | 5.1% |  |  | 
      
      
        | BDP | Bürgerlich-Demokratische Partei (BDP) Graubünden Conservative Democratic Party of Switzerland
 | 2008–2021 | 5.4% |  |  | 
      
      
        | CsP | Christlich-soziale Partei Christian Social Party
 | 1971–2007 | 0.4% |  |  | 
      
      
        | EDU | Eidgenössisch-Demokratische Union Federal Democratic Union of Switzerland
 | 1979–2018 | 1.3% |  |  | 
      
      
        | EVP | Evangelische Volkspartei der Schweiz Protestant Peoples Party
 | 1919–2018 | 2.4% |  |  | 
      
      
        | FDP | FDP.Die Liberalen FDP.The Liberals
 | 2009–2018 | 16.4% |  |  | 
      
      
        | FDP | Freisinnig-Demokratische Partei der Schweiz Radical Democratic Party
 | 1894–2009 | 56.1% |  |  | 
      
      
        | Grue | Grüne Partei Green Party
 | 1979–2018 | 9.6% |  |  | 
      
      
        | GPL | Grünliberale Partei der Schweiz Green Liberal Party
 | 2007–2018 | 5.4% |  |  | 
      
      
        | KKCVP | Katholische Konservative / Christlichdemokratische Volkspartei Catholic Conservative / Christian Democratic Peoples Party
 | 1912–2020 | 23.4% |  |  | 
      
      
        | KP | Kommunistische Partei der Schweiz Communist Party of Switzerland
 | 1918–1940 | 1.5% |  |  | 
      
      
        | LdT | Lega dei Ticinesi Ticino League
 | 1991–2018 | 1.4% |  |  | 
      
      
        | LPS | Liberale Partei der Schweiz Liberal Party of Switzerland
 | 1913–2009 | 8.6% |  |  | 
      
      
        | MCG | Mouvement Citoyens Genevois Geneva Citizens' Movement
 | 2005–2018 | 0.4% |  |  | 
      
      
        | NASD | Nationale Aktion / Schweizer Demokraten National Action / Swiss Democrats
 | 1961–2018 | 3.4% |  |  | 
      
      
        | PdA | Partei der Arbeit der Schweiz Swiss Party of Labour
 | 1944–2018 | 5.1% |  |  | 
      
      
        | PSA | Partito socialista autonomo Autonomous Socialist Party
 | 1969–1991 | 1.7% |  |  | 
      
      
        | POCH | Progressive Organisationen der Schweiz Progressive Organisations of Switzerland
 | 1972–1991 | 2.2% |  |  | 
      
      
        | BGB | Schweizerische Bauern-, Gewerbe- und Bürgerpartei Swiss Farmers, Artisans and Bourgeois Party
 | 1919–1971 | 16.1% |  |  | 
      
      
        | SVP | Schweizerische Volkspartei Swiss People's Party
 | 1971–2018 | 28.9% |  |  | 
      
      
        | S | SolidaritéS Solidarity
 | 1999–2018 | 0.5% |  |  | 
      
      
        | SP | Sozialdemokratische Partei der Schweiz Social Democratic Party of Switzerland
 | 1919–2018 | 30.8% |  |  |