IFES Election Guide | Country Profile: Argentina

Argentine Republic

45,538,400	36
Population (as of Jan. 1, 2023)	Elections in our database
35,193,985	73.82%
Registered Voters (as of None)	Average Turnout

Name	Official Name	Type
Argentinian Senate	Senado	Upper House
Argentinian Chamber of Deputies	Cámara de Diputados	Lower House
Argentinian Presidency	None	Head of State & Government

Description of government structure:

Chief of State: President Javier MILEI (since 10 December 2023)
Head of Government: President Javier MILEI (since 10 December 2023)
Assembly: bicameral National Congress (Congreso Nacional) consisting of the Senate (Senado) with 72 seats and the Chamber of Deputies (Cámara de Diputados) with 257 seats

Description of 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.

Elections

2025-10-26
Argentinian Chamber of Deputies
Votes -
Registered -
Turnout -

2025-10-26
Argentinian Senate
Votes -
Registered -
Turnout -

2023-11-19
Argentinian Presidency
Votes 26,863,246
Registered 35,193,985
Turnout 76.33

2023-10-22
Argentinian Chamber of Deputies
Votes -
Registered 35,815,436
Turnout -

2023-10-22
Argentinian Senate
Votes 12,906,715
Registered 16,486,275
Turnout 78.29

2023-10-22
Argentinian Presidency
Votes 27,100,675
Registered 35,815,436
Turnout 75.67

2023-08-13
Argentinian Presidency
Votes 24,016,776
Registered 35,394,425
Turnout 67.85

2021-11-14
Argentinian Senate
Votes 7,440,559
Registered 10,505,451
Turnout 70.83

2021-10-24
Argentinian Chamber of Deputies
Votes 24,842,572
Registered 34,796,245
Turnout 71.39

2019-10-27
Argentinian Chamber of Deputies
Votes 26,595,460
Registered 32,890,049
Turnout 80.86

2019-10-27
Argentinian Presidency
Votes 26,595,460
Registered 32,890,049
Turnout 80.86

2019-10-27
Argentinian Senate
Votes 6,083,400
Registered 7,772,326
Turnout 78.27

2017-10-29
Argentinian Senate
Votes 12,361,102
Registered 15,701,694
Turnout 78.72

2017-10-29
Argentinian Chamber of Deputies
Votes 25,699,629
Registered 33,454,411
Turnout 76.82

2015-11-22
Argentinian Presidency
Votes 25,993,860
Registered 32,130,853
Turnout 80.9

2015-10-25
Argentinian Chamber of Deputies
Votes 23,829,889
Registered 32,126,138
Turnout 74.18

2015-10-25
Argentinian Senate
Votes 7,835,803
Registered 9,815,549
Turnout 79.83

2015-10-25
Argentinian Presidency
Votes 25,220,640
Registered 32,063,409
Turnout 78.66

2013-10-27
Argentinian Chamber of Deputies
Votes 21,864,125
Registered 30,635,464
Turnout 71.37

2013-10-27
Argentinian Senate
Votes 5,323,197
Registered 6,908,999
Turnout 77.05

2011-10-23
Argentinian Presidency
Votes 21,484,844
Registered 28,867,162
Turnout 74.43

2011-10-23
Argentinian Chamber of Deputies
Votes 22,027,102
Registered 28,867,162
Turnout 76.31

2011-10-23
Argentinian Senate
Votes 10,721,680
Registered 13,581,951
Turnout 78.94

2009-06-28
Argentinian Chamber of Deputies
Votes 20,092,328
Registered 27,797,930
Turnout 72.28

2009-06-28
Argentinian Senate
Votes 6,122,763
Registered 8,474,844
Turnout 72.25

2007-10-28
Argentinian Senate
Votes -
Registered 26,098,546
Turnout -

2007-10-28
Argentinian Presidency
Votes 19,452,594
Registered 27,090,236
Turnout 71.81

2007-10-28
Argentinian Chamber of Deputies
Votes 19,086,667
Registered 27,090,236
Turnout 70.46

2005-10-23
Argentinian Chamber of Deputies
Votes 18,513,717
Registered 26,098,093
Turnout 70.94

2005-10-23
Argentinian Senate
Votes 7,926,585
Registered 26,098,093
Turnout 30.37

2003-04-27
Argentinian Chamber of Deputies
Votes 18,330,553
Registered 25,564,130
Turnout 71.7

2003-04-27
Argentinian Presidency
Votes 19,755,369
Registered 25,479,486
Turnout 77.53

2003-04-27
Argentinian Senate
Votes 5,369,908
Registered 7,766,376
Turnout 69.14

2001-10-14
Argentinian Senate
Votes 18,343,214
Registered 24,735,483
Turnout 74.16

2001-10-14
Argentinian Chamber of Deputies
Votes 18,146,009
Registered 24,735,483
Turnout 73.36

1999-10-24
Argentinian Presidency
Votes 19,415,960
Registered 24,108,413
Turnout 80.54

Election For	Date	Votes	Registered Voters	Turnout
Argentinian Chamber of Deputies	2025-10-26	-	-	-
Argentinian Senate	2025-10-26	-	-	-
Argentinian Presidency	2023-11-19	26,863,246	35,193,985	76.33
Argentinian Chamber of Deputies	2023-10-22	-	35,815,436	-
Argentinian Senate	2023-10-22	12,906,715	16,486,275	78.29
Argentinian Presidency	2023-10-22	27,100,675	35,815,436	75.67
Argentinian Presidency	2023-08-13	24,016,776	35,394,425	67.85
Argentinian Senate	2021-11-14	7,440,559	10,505,451	70.83
Argentinian Chamber of Deputies	2021-10-24	24,842,572	34,796,245	71.39
Argentinian Chamber of Deputies	2019-10-27	26,595,460	32,890,049	80.86
Argentinian Presidency	2019-10-27	26,595,460	32,890,049	80.86
Argentinian Senate	2019-10-27	6,083,400	7,772,326	78.27
Argentinian Senate	2017-10-29	12,361,102	15,701,694	78.72
Argentinian Chamber of Deputies	2017-10-29	25,699,629	33,454,411	76.82
Argentinian Presidency	2015-11-22	25,993,860	32,130,853	80.9
Argentinian Chamber of Deputies	2015-10-25	23,829,889	32,126,138	74.18
Argentinian Senate	2015-10-25	7,835,803	9,815,549	79.83
Argentinian Presidency	2015-10-25	25,220,640	32,063,409	78.66
Argentinian Chamber of Deputies	2013-10-27	21,864,125	30,635,464	71.37
Argentinian Senate	2013-10-27	5,323,197	6,908,999	77.05
Argentinian Presidency	2011-10-23	21,484,844	28,867,162	74.43
Argentinian Chamber of Deputies	2011-10-23	22,027,102	28,867,162	76.31
Argentinian Senate	2011-10-23	10,721,680	13,581,951	78.94
Argentinian Chamber of Deputies	2009-06-28	20,092,328	27,797,930	72.28
Argentinian Senate	2009-06-28	6,122,763	8,474,844	72.25
Argentinian Senate	2007-10-28	-	26,098,546	-
Argentinian Presidency	2007-10-28	19,452,594	27,090,236	71.81
Argentinian Chamber of Deputies	2007-10-28	19,086,667	27,090,236	70.46
Argentinian Chamber of Deputies	2005-10-23	18,513,717	26,098,093	70.94
Argentinian Senate	2005-10-23	7,926,585	26,098,093	30.37
Argentinian Chamber of Deputies	2003-04-27	18,330,553	25,564,130	71.7
Argentinian Presidency	2003-04-27	19,755,369	25,479,486	77.53
Argentinian Senate	2003-04-27	5,369,908	7,766,376	69.14
Argentinian Senate	2001-10-14	18,343,214	24,735,483	74.16
Argentinian Chamber of Deputies	2001-10-14	18,146,009	24,735,483	73.36
Argentinian Presidency	1999-10-24	19,415,960	24,108,413	80.54

Voter Turnout

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