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Historical Values
Year Value
1990 bicameral National Congress (Congreso Nacional) consists of an upper chamber or Senate (Senado) and a lower chamber or Chamber of Deputies (Camera de Diputados)
1991 bicameral National Congress (Congreso Nacional) consists of an upper chamber or Senate (Senado) and a lower chamber or Chamber of Deputies (Camara de Diputados)
1992 bicameral National Congress (Congreso Nacional) consists of an upper chamber or Senate (Senado) and a lower chamber or Chamber of Deputies (Camara de Diputados)
1993 bicameral National Congress (Congreso Nacional) consists of an upper chamber or Senate (Senado) and a lower chamber or Chamber of Deputies (Camara de Diputados)
1994 bicameral National Congress (Congreso Nacional)
1994 elections last held May 1989, but provincial elections in late 1991 set the stage for indirect elections by provincial senators for one-third of 48 seats in the national senate in May 1992; seats (48 total) - PJ 30, UCR 11, others 7
1994 elections last held NA October 1993 ( next to be held October 1995); elections are held every two years and half of the total membership is elected each time for four year terms; seats--(257 total) PJ 128, UCR 81, MODIN 7, UCD 5, other 36
1995 bicameral National Congress (Congreso Nacional)
1995 elections last held May 1989, but provincial elections in late 1991 set the stage for indirect elections by provincial senators for one-third of 48 seats in the national senate in May 1992; seats (48 total) - PJ 29, UCR 11, others 7, vacant 1
1995 elections last held 3 October 1993 ( next to be held October 1995); elections are held every two years and half of the total membership is elected each time for four year terms; seats - (257 total) PJ 122, UCR 83, MODIN 7, UCD 5, other 40
1996 bicameral National Congress (Congreso Nacional)
1996 elections last held NA May 1995 (next to be held NA); results - percent of vote by party NA; seats - (72 total) PJ 38, others 34
1996 one-half of the members elected every two years to four-year terms; elections last held 14 May 1995; (next to be held NA 1997); results - percent of vote by party NA; seats - (257 total) PJ 132, UCR 68, Frepaso 26, other 31
1997 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; three members appointed by each of the provincial legislatures, one-third of the members appointed every three years to a 9-year term) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) elections: Senate - last held NA May 1995 (next to be held NA 1998); Chamber of Deputies - last held 14 May 1995; (next to be held NA October 1997) election results: Senate -
1998 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; formerly, three members appointed by each of the provincial legislatures; presently transitioning to one-third of the members being elected every three years to a nine-year term) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) elections: Senate-last held NA May 1995 (next to be held NA 1998); Chamber of Deputies-last held 26 October 1997 (next to be held
1999 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; formerly, three members appointed by each of the provincial legislatures; presently transitioning to one-third of the members being elected every two years to a six-year term) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) elections: Senate--transition phase will continue through 2001 elections when all seats will be fully contested; winners will randoml
2000 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; formerly, three members appointed by each of the provincial legislatures; presently transitioning to one-third of the members being elected every two years to six-year terms) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) elections: Senate - transition phase will begin in 2001 elections when all seats will be fully contested; winners will randomly draw t
2001 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; formerly, three members appointed by each of the provincial legislatures; presently transitioning to one-third of the members being elected every two years to six-year terms) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) elections: Senate - transition phase will begin in the 2001 elections when all seats will be fully contested; winners will randomly d
2002 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; formerly, three members appointed by each of the provincial legislatures; presently transitioning to one-third of the members being elected every two years to six-year terms) and the Chamber of Deputies (257 seats; one-half of the members elected every two years to four-year terms) election results: Senate - percent of vote by bloc or party - NA%; seats by bloc or party - Justicialist (Peronist) 40, UCR 24, provin
2003 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members being elected every two years to a six-year term) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to a four-year term) election results: Senate - percent of vote by bloc or party - NA%; seats by bloc or party - PJ 40, UCR 24, provincial parties 6, Frepaso 1, ARI 1; Cham
2004 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to a six-year term) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to a four-year term) elections: Senate - last held intermittently by province during the 2nd half of 2003 (next to be held NA 2005); Chamber of Deputies - last held intermittentl
2005 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to a six-year term) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to a four-year term) elections: Senate - last held intermittently by province during the 2nd half of 2003 (next to be held NA 2005); Chamber of Deputies - last held intermittentl
2006 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to a six-year term) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to a four-year term) elections: Senate - last held 23 October 2005 (next to be held in 2007); Chamber of Deputies - last held last held 23 October 2005 (next to be held in 2007)
2007 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held 23 October 2005 (next to be held in 2007); Chamber of Deputies - last held last held 23 October 2005 (next to be held
2008 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held 28 October 2007 (next to be held in 2009); Chamber of Deputies - last held last held 28 October 2007 (next to be held
2009 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held 28 October 2007 (next to be held in 2009); Chamber of Deputies - last held last held 28 October 2007 (next to be held
2010 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held on 28 June 2009 (next to be held in 2011); Chamber of Deputies - last held on 28 June 2009 (next to be held in 2011)
2011 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held on 28 June 2009 (next to be held in 2011); Chamber of Deputies - last held on 28 June 2009 (next to be held in 2011)
2012 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held on 23 October 2011 (next to be held in 2013); Chamber of Deputies - last held on 23 October 2011 (next to be held in
2013 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held on 23 October 2011 (next to be held on 27 October 2013); Chamber of Deputies - last held on 23 October 2011 (next to
2014 bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members are elected by direct vote; presently one-third of the members elected every two years to serve six-year terms) and the Chamber of Deputies (257 seats; members are elected by direct vote; one-half of the members elected every two years to serve four-year terms) elections: Senate - last held on 27 October 2013 (next to be held October 2015); Chamber of Deputies - last held on 27 October 2013 (next to be hel
2015 description: bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) and the Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on
2016 description: bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) and the Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on
2017 description: bicameral National Congress or Congreso Nacional consists of the Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) and the Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on
2018 description: bicameral National Congress or Congreso Nacional consists of: Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on 22 October
2019 description: bicameral National Congress or Congreso Nacional consists of: Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on 27 October
2020 description: bicameral National Congress or Congreso Nacional consists of: Senate (72 seats; members directly elected in multi-seat constituencies by simple majority vote to serve 6-year terms with one-third of the membership elected every 2 years) Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by proportional representation vote; members serve 4-year terms with one-half of the membership renewed every 2 years) | elections: Senate - last held on 27 October
2021 description: bicameral National Congress or Congreso Nacional consists of: Senate (72 seats; members directly elected on a provincial basis with 2 seats awarded to the party with the most votes and 1 seat to the party with the second highest number of votes; members serve 6-year terms with one-third of the membership renewed every 2 years) Chamber of Deputies (257 seats; members directly elected in multi-seat constituencies by party-list proportional representation vote using the D'Hondt method;
2022 description: bicameral National Congress or Congreso Nacional consists of: Senate or Senado (72 seats; members directly elected on a provincial basis with 2 seats awarded to the party with the most votes and 1 seat to the party with the second highest number of votes; members serve 6-year terms with one-third of the membership renewed every 2 years) Chamber of Deputies or C mara de Diputados (257 seats; members directly elected in multi-seat constituencies by party-list proportional representati
2023 description: bicameral National Congress or Congreso Nacional consists of: Senate or Senado (72 seats; members directly elected from 24 provincial districts by closed-list proportional representation vote; 2 seats per district awarded to the party with the most votes and 1 seat per district to the party with the second highest votes; members serve 6-year terms with one-third of the membership renewed every 2 years) Chamber of Deputies or C mara de Diputados (257 seats; members directly elected i
2024 description: bicameral National Congress or Congreso Nacional consists of: Senate or Senado (72 seats; members directly elected from 24 provincial districts by closed-list proportional representation vote; 2 seats per district awarded to the party with the most votes and 1 seat per district to the party with the second highest votes; members serve 6-year terms with one-third of the membership renewed every 2 years) Chamber of Deputies or C mara de Diputados (257 seats; members directly elected i
2025 legislature name: National Congress (Congreso de la nación) legislative structure: bicameral