Oct. 22, 2023 Held


Argentine Republic

Election for Senado (Argentinian Senate)


Voter Participation

Cast Votes:12,906,715
Valid Votes:12,808,379
Invalid Votes:98,336

Vote Share by Party:

Party Seats Won Seats Change Votes

Union for the Homeland (Unión por la Patria) 9

Freedom Advances (La Libertad Avanza) 6

Front for the Renewal of Concord (Frente Renovador de la Concordia) 2

Together for Change (Juntos por el Cambio) 2

Federal Renewal (Renovador Federal) 2

For Santa Cruz (Por Santa Cruz) 2

Union for San Luis (Unión por San Luís) 1

Election Results Modified: Nov 22, 2023

General Information

At Stake in this Election: 

  • 24 seats in the Argentine Senate 

Presidential and Chamber of Deputies elections will occur concurrently. 

Government Structure:  

  • Chief of State: President Alberto FERNÁNDEZ (since 10 December 2019) 

  • Head of Government: President Alberto FERNÁNDEZ (since 10 December 2019) 

  • Assembly: bicameral National Congress (Congreso Nacional) including a 72-seat Senate (Senado) and a 257-seat Chamber of Deputies (Cámara de Diputados) 

Electoral System:  

  • The President is directly elected by qualified majority vote in up to two rounds. Candidates must win at least 45% of votes or 40% of votes and a 10 percentage point lead over the second-place finisher to win the presidency.  

  • In the Senate, all 72 members are directly elected via closed-list proportional representation vote from multi-seat constituencies. Within each of the 24 constituencies, 2 seats are given to the first-place party, and 1 seat is given to the second-place party. All members serve 6-year terms, and one-third of seats are up for election every 2 years. 

  • In the Chamber of Deputies, all 257 members are directly elected by closed-list proportional representation vote in multi-seat constituencies. All members serve 4-year terms, and half of the seats are up for reelection every 2 years. 

Last Election: 

In 2021, Juntos por el Cambio won 14 seats, followed by Frente de Todos (9) and Consenso Federal (1). Voter turnout was 67%. 

Key Deadlines: 

  • Candidate filing deadline: 24 June 2023 

  • Voter registration deadline: 25 April 2023 

  • Voters could request the correction of errors or omissions until 24 July 2023. 

Main Parties in this Election: 

  • Everyone’s Front / Frente de Todos (FdT) 

  • Leader: Alberto FERNÁNDEZ 

  • Seats won in last election: 9 out of 24 

  • Together for Change / Juntos por el Cambio (JxC

  • Leader: Horacio RODRÍGUEZ Larreta 

  • Seats won in last election: 14 out of 24 

Population and Registered Voters: 

Gender Data: 

  • Female Population: 23,546,387 (2023 est.) 

  • CEDAW Status: Signed 17 July 1980, Ratified 15 July 1985 

  • Gender Quota: Yes, party lists for the National Congress must alternate between men and women, creating a 1:1 candidate gender ratio. 

  • Female Candidates in this election: Yes 

  • Number of Female Legislators (pre-election): 115 out of 257 (44.8%) in the Chamber of Deputies and 31 out of 72 (43.1%) in the Senate 

Disability Data: 

  • CRPD Status: Signed 30 March 2007, Ratified 2 September 2008 

IFES Resources: 

  • Does IFES have a presence in Argentina: No 

  • Election Access: Yes 

  • Election Judgements: Yes, 6 judgments and 7 resources 

Election Modified: Nov 14, 2023

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