SLS won seats in the National Parliament in general elections in Slovenia in the years 1992, 1996, 2000, 2004, 2008, 2011,[12] but missed the parliamentary threshold in 2014.

SLS won 6.83% of the vote at the early 2011 Slovenian parliamentary election on 4 December 2011, thus gaining six seats in the National Assembly.

In the first multi-party election in Slovenia, the Peasant Union ran as a part of the DEMOS coalition and won 11 of the 80 seats in the Slovenian Parliament.

[17] In 1992, the founder of the Slovenian Peasant Union Ivan Oman left the party and joined the Slovene Christian Democrats, who were then part of the ruling centrist grand coalition.

However the alliance, was disbanded immediately after the elections, when the SLS joined a coalition government with the Liberal Democracy of Slovenia (LDS), while the SKD went into opposition.

[4] On 15 April 2000, the Slovene Christian Democrats merged into the Slovenian People's Party,[5] and the abbreviation was temporarily changed to SLS+SKD to signify both predecessors.

The remaining People's Party performed poorly in the election in October 2000, but became part of the Liberal-led coalition government of Janez Drnovšek.

[18] In 2009, Radovan Žerjav, former Minister of Transport in Janez Janša government, replaced Šrot as the leader of the party.

In the 2014 European election, SLS ran in a joint electoral list with New Slovenia, which received 16.56% of the vote and came in second place, returning 2 MEPs.

[19] The party received 3.98% of the vote in the Slovenian parliamentary election on 13 July 2014, narrowly missing the 4% threshold for representation in the parliament.