Map of the cantons of Switzerland shaded by the party that won the most votes in the 2015 election to the National Council.
  Swiss People's Party (SVP/UDC)
  Christian Democratic People's Party (CVP/PDC)
  FDP.The Liberals (FDP/PLR)
  Social Democratic Party (SP/PS)
  Conservative Democratic Party (BDP/PBD)
  Christian Social Party Obwalden (CSP OW)
Own work
Łukasz Bień