Constitutional Assembly elections were held in the Kingdom of Serbs, Croats and Slovenes on 28 November 1920. The Democratic Party emerged as the largest faction, winning 92 of the 419 seats.^[1] Deputies are elected by secret ballot, in a direct manner, by the electoral quotient system. The 1920 elections were the first democratic elections in the Kingdom of Serbs, Croats and Slovenes. Shortly after the election, the Communist Party of Yugoslavia was banned by the authorities.

Quick Facts All 419 seats in the Constituent Assembly 210 seats needed for a majority, First party ...

1920 Kingdom of Serbs, Croats and Slovenes Constitutional Assembly election

28 November 1920 (1920-11-28) 1923 →
All 419 seats in the Constituent Assembly 210 seats needed for a majority
First party Second party   Leader Ljubomir Davidović Nikola Pašić Party DS NRS Seats won 92 91 Popular vote 319,448 284,575 Percentage 19.88% 17.71%   Third party Fourth party   Leader Filip Filipović & Sima Marković Stjepan Radić Party KPJ HSS Seats won 58 50 Popular vote 198,736 230,590 Percentage 12.37% 14.35%
Prime Minister before election Ljubomir Davidović DS Elected Prime Minister Ljubomir Davidović DS

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Up until the elections a Provisional Assembly had existed of unelected delegates from each of the constituent regions of the country.

The electoral districts corresponded to administrative divisions of the constitutive lands which came together to form the Kingdom in late 1918. There were 56 in total:

There were a total of 22 party lists and one independent list.

• Croatian Husbandmen's Party (Hrvatska težačka stranka, HTS) - Croatian nationalist political party in Bosnia and Herzegovina formed in 1919.^[2] Its leader Jozo Sunarić had been a leading member of the Croat People's Union in the former Diet of Bosnia.
• Croatian Popular Party (Hrvatska pučka stranka, HPS) - Political party formed in 1919 associated with the Croatian Catholic movement.^[2] It ran candidates in districts in Bosnia and Herzegovina, Croatia-Slavonia, Dalmatia, and Vojvodina.
• Independent Agrarian Party (Samostojna kmetijska stranka, SKS) - Slovenian anti-clerical political party founded in June 1919 in Ljubljana.
• People's Radical Party (Narodna radikalna stranka, NRS) - Formed in Serbia in 1881, the People's Radical Party had formed the government of the Kingdom of Serbia since 1909 and its party leader Nikola Pašić became the first prime minister of the Kingdom of Serbs, Croats and Slovenes in 1918. Džemijet entered a coalition with the People's Radical Party and won six deputies.
• Yugoslav Democratic Party (Jugoslovenska demokratska stranka, JDS) - Formed by former members of the Croat-Serb Coalition in Austria-Hungary led by Croatian Serb Svetozar Pribićević and opposition politicians in Serbia led by Ljubomir Davidović in February 1919. The party advocated a centralized state and the abolishment of regional autonomy.^[2]