Founded in 1917 in canton Zurich, the Protestant Party won its first seat in the national parliament in 1919.
For many years the party was the protestant opposition to the Catholic conservatives. Since 1971 its share of the votes has been constant at about two per cent. The party lost one of its three seats in the House of Representatives in the 2007 elections.
Seats in the House of Representatives: 2
Seats in the Senate: 0