Federal elections were held in Switzerland on 28 October 1860.
Despite large losses, the Radical Left remained the largest group in the National Council, winning 64 of the 120 seats.
[1] The 120 members of the National Council were elected in 49 single- and multi-member constituencies; there was one seat for every 20,000 citizens, with seats allocated to cantons in proportion to their population.
[2] The elections were held using a three-round system; candidates had to receive a majority in the first or second round to be elected; if it went to a third round, only a plurality was required.
[2] In six cantons (Appenzell Innerrhoden, Appenzell Ausserrhoden, Glarus, Nidwalden, Obwalden and Uri), National Council members were elected by the Landsgemeinde.