| BPC | Bloc Populaire Canadien Bloc Populaire Canadien
 | 1945–1945 | 3.6% |  |  | 
      
      
        | BQ | Bloc Québécois Quebec Bloc
 | 1993–2021 | 13.5% |  |  | 
      
      
        | CPLPP | Communist (Labour-Progressive) Party Communist (Labour-Progressive) Party
 | 1945–1965 | 2.1% |  |  | 
      
      
        | CPC | Conservative Party of Canada Conservative Party of Canada
 | 2004–2021 | 39.6% |  |  | 
      
      
        | CCFNDP | Co-operative Commonwealth Federation | New Democratic Party Co-operative Commonwealth Federation | New Democratic Party
 | 1935–2021 | 30.6% |  |  | 
      
      
        | GPC | Green Party of Canada Green Party of Canada
 | 1997–2021 | 6.8% |  |  | 
      
      
        | L | Labour Party Labour Party
 | 1921–1930 | 2.3% |  |  | 
      
      
        | LL | Liberal-Labour Liberal-Labour
 | 1949–1962 | 0.2% |  |  | 
      
      
        | LP | Liberal Party of Canada Liberal Party of Canada
 | 1900–2021 | 52.0% |  |  | 
      
      
        | NPC | National Party of Canada National Party of Canada
 | 1993–1993 | 1.4% |  |  | 
      
      
        | PR | Parti Rhinoceros Rhinoceros Party
 | 1972–1984 | 1.0% |  |  | 
      
      
        | PPC | People's Party of Canada People's Party of Canada
 | 2019–2021 | 4.9% |  |  | 
      
      
        | PCP | Progressive Conservative Party of Canada Progressive Conservative Party of Canada
 | 1900–2000 | 57.0% |  |  | 
      
      
        | PPC | Progressive Party of Canada (1919) Progressive Party of Canada (1919)
 | 1921–1930 | 22.9% |  |  | 
      
      
        | SCR | Ralliement créditiste Social Credit Rally
 | 1965–1968 | 4.7% |  |  | 
      
      
        | RP | Reconstruction Party of Canada Reconstruction Party of Canada
 | 1935–1935 | 8.7% |  |  | 
      
      
        | RPC | Reform Party of Canada Reform Party of Canada
 | 1988–2000 | 25.5% |  |  | 
      
      
        | SSC | Social Credit Party of Canada Social Credit Party of Canada
 | 1935–1980 | 11.9% |  |  | 
      
      
        | UE | Union [Candidats] des électeurs Union of Electors
 | 1949–1957 | 1.5% |  |  |