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2023 Buenos Aires City elections

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General elections were held in the City of Buenos Aires on 22 October 2023, coinciding with the general election being held nationwide. The Chief of Government (mayor), half of the City Legislature and all 150 members of the communal boards were elected to four-year terms.

Turnout64.16%
Turnout64.16%
Quick facts Turnout, Nominee ...
2023 Buenos Aires City elections
Mayoral election
← 2019
22 October 2023
2027 →
Turnout64.16%
 
Nominee Jorge Macri Leandro Santoro
Party PRO MNA
Alliance JxC UP
Running mate Clara Muzzio Bárbara Rossen
Popular vote 895,131 581,450
Percentage 49.67% 32.27%
 
Nominee Ramiro Marra Vanina Biasi
Party PL Workers' Party
Alliance LLA FIT – Unidad
Running mate Eduardo Martino Jessica Gentile
Popular vote 248,263 77,077
Percentage 13.78% 4.28%
Results of the Chief of Government election by electoral circuit. Darker shades indicate a higher vote share.
Chief of Government before election

Horacio Rodríguez Larreta
PRO–JxC

 Elected Chief of Government

Jorge Macri
PRO–JxC

City Legislature
← 2021
22 October 2023
2025 →
30 out of 60 seats in the City Legislature
Turnout64.16%
Party Leader Vote % Seats +/–
JxC Jorge Macri 49.73 15 0
UP Leandro Santoro 31.13 10 +2
LLA Ramiro Marra 13.91 4 −1
FIT – Unidad Vanina Biasi 5.23 1 −1
This lists parties that won seats. See the complete results below.
Close

In the mayoral election, Jorge Macri, of the ruling PRO party, won in the first round of voting with 49.67% of the vote. According to the city's constitution, a candidate for Chief of Government must achieve over 50% of the vote in order to win in the first round, but the second-most voted candidate, Leandro Santoro of Union for the Homeland, dropped out of the race for the second round and ceded victory to Macri.

This was the seventh general election in the City of Buenos Aires since the adoption of the 1996 Constitution, which granted autonomy to the city and allowed it to vote for its own Chief of Government. It was also the second election in which the Single Electronic Ballot (Boleta Única Electrónica, BUE) voting system was implemented, after 2015.

Background

The 2019 elections in Buenos Aires had resulted in the re-election of incumbent Chief of Government Horacio Rodríguez Larreta with a record 55.90% of the vote in the first round. Rodríguez Larreta's party, Republican Proposal (PRO) and its Juntos por el Cambio alliance also remained the largest force in the City Legislature.[1]

On 13 April 2023, Rodríguez Larreta issued a decree making the 2023 elections in Buenos Aires concurrent with the national general election.[2] Rodríguez Larreta was constitutionally barred from running for re-election a second time, and instead launched his presidential run.[3]

This was the second election in which the Single Electronic Ballot (Boleta Única Electrónica, BUE) voting system was implemented, after 2015. It was, however, the first time the BUE system was implemented in a local election concurrent with a national election, which meant two different voting systems were used in the same election day.[4]

Candidates

More information Coalition, Mayoral candidate (party) Prior political experience ...
Coalition Mayoral candidate (party)
Prior political experience		 Vice mayoral candidate (party)
Prior political experience		 Parties
Jorge Macri (PRO)
Cabinet Chief (2021–2023)
Mayor of Vicente López (2011–2021)		 Clara Muzzio (PRO)
Minister of Public Space
and Urban Hygiene (2019–2023)
Leandro Santoro (MNA)
National Deputy (2021–2023)
City Legislator (2019–2021)		 Bárbara Rossen (PJ)
Ramiro Marra (PL)
City Legislator (2021–present)		 Eduardo Martino (Ind.)
Vanina Biasi (PO) Jessica Gentile (MST)
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Opinion polling

Local regression of polls conducted.
More information Pollster/client(s), Date(s)conducted ...
Pollster/client(s) Date(s)
conducted		 Sample
size		 Macri
JxC		 Santoro
UP		 Marra
LLA		 Biasi
FIT-U		 Others Blank Abst.
Undec.		 Lead
2023 city elections 22 Oct 2023 – 49.7 32.3 13.8 4.2 – 11 35.8 17.4
Circuitos[5] 10-11 Oct 2023 1,129 44.5 23.1 21.9 2.9 – 3.1 4.5 21.4
Opina Argentina[6] 6-10 Oct 2023 820 44 22 20 3 – 6 5 22
Proyección Consultores[7] 5-10 Oct de 2023 1,287 47.5 26.7 19.4 2.8 – – 3.6 20.8
Federico González & Asociados[8] 28-30 Sep 2023 1,200 45.8 25.8 24.8 3.7 – – – 20
Federico González & Asociados[9] 6-8 Sep 2023 1,000 46.7 23.0 22.7 4.0 – 3.3 7.5 23.7
Circuitos[10] 24-26 Aug 2023 1,197 42.3 21.9 20.4 2.7 – 7.5 5-2 20.4
CB Consultora[11] 22-24 Aug 2023 1,105 41.6 22.5 18 3.7 – 7 7.2 19.1
2023 primary elections 13 Aug 2023 – 55.9 22.1 12.9 3.6 2.5 2.7 37.5 33.7
Federico González & Asociados[12] 31 Jul - 3 Aug 2023 1,000 47.9 24.4 19 3.8 0.6 4.3 9.9 23.5
Federico González & Asociados[13] 17-19 Jul 2023 1,400 45.4 20.5 16.1 2.4 1 3.2 9.3 24.9
Circuitos[14] 3-5 Jul 2023 1,177 49.6 16.9 15.7 2.3 7.4 8.1 - 32,7
Consultora Tendencias[15] 2-5 Jun 2023 2,506 46.8 19.7 8.8 5.1 2.3 4.2 13.1 27.1
Federico González & Asociados[16] 1-5 Jun 2023 1,400 36.7[a] 20.7 24.5 1.4 1.4 5.4 9.9 12.2
41[b] 21.3 22.1 1.4 1.3 4.3 8.6 18.9
Federico González & Asociados[17] 29 Apr - 1 May 2023 1,400 48.1 20 15.4 0.6 1 3.6 10.4 28.1
Circuitos[18] 26-28 Apr 2023 1,192 48.6 20.8 13.9 2.1 2.5 12.1 - 27.8
Federico González & Asociados[19] 2-3 Apr 2023 800 42.5 20.2 18.7 3.1 5.2 2.6 7.7 22.3
Solmoirago[20] Mar 2023 400 55.3 20.9 9.9 3.1 - - 10.8 34.4
Consultora Tendencias[21] 13-18 Mar 2023 746 46.8 23.7 11.1 5.2 1.8 3.1 8.3 23.1
Circuitos[22] 13-14 Mar 2023 1,196 49.5 21 12.9 6.1 - 10.5 - 28.5
Opina Argentina[22] 25-27 Feb 2023 800 47 22 17 4 4 2 4 25
Federico González & Asociados[23] 21-22 Feb 2023 800 42.4 20.5 19.1 4.2 3.1 3.1 7.6 21.9
Opinaia[24] 5-17 Feb 2023 500 48 16 13 3 - 7 13 32
Circuitos[25] 8-10 Feb 2023 1,184 47.1 21.2 14 5.4 - 12.3 - 25.9
Federico González & Asociados[26] 15-16 Jan 2023 800 40.4 21.8 22.3 4.1 0.5 3.2 7.7 18.1
Opinaia[27] 2-9 Jan 2023 510 46 14 12 4 - 4 18 32
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  1. [a]
    With Martín Lousteau as JxC candidate for mayor
  2. [b]
    With Jorge Macri as JxC candidate for mayor

Results

Primaries

Mayoral primaries

More information Coalition, List ...
Coalition List Mayoral candidate Candidate votes Overall votes
Votes % Votes %
Juntos por el Cambio Vayamos por más Jorge Macri 540,132 29.52 1,051,866 55.93
Evolución Martín Lousteau 511,734 27.97
Union for the Homeland Alternativa para Ganar Buenos Aires Leandro Santoro 416,919 22.17 416,919 22.17
La Libertad Avanza La Ciudad Avanza Ramiro Marra 243,202 12.93 243,202 12.93
Worker's Left Front-Unity Unidad de Luchadores y la Izquierda Vanina Biasi 45,608 2.49 68,670 3.65
Unir y Fortalecer la Izquierda Jorge Adaro 23.062 1.26
Principles and Values Celeste y Blanca Eduardo Graham 15,133 0.81 15,133 0.81
Workers' Policy Unidad Obrera Valentina Viglieca 8,800 0.47 8,800 0.47
Freemen of the South Movement Alternativa Progresista Adolfo Andrés Buzzo Pipet 7,250 0.39 7,250 0.39
The Left in the City Izquierda Anticapitalista Héctor Antonio Heberling 7,227 0.38 7,227 0.38
Renovating Aptitude Primero los Porteños Juan Pablo Chiesa 5,253 0.28 5,253 0.28
Patriot Front Primero la Patria Alejandro Gustavo Nizzero 5,206 0.28 5,206 0.28
Valid votes 1,829,526 100
Blank votes 51,053 2.71
Invalid votes 3,362 0.18
Total 1,883,941 97.29
Registered voters/turnout 3,014,213 62.50
Source:[28]
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Chief of Government

More information Candidate, Running mate ...
CandidateRunning matePartyVotes%
Jorge MacriClara MuzzioJuntos por el Cambio895,13149.68
Leandro SantoroBárbara RossenUnion for the Homeland581,45032.27
Ramiro MarraEduardo MartinoLa Libertad Avanza248,26313.78
Vanina BiasiJessica GentileWorkers' Left Front77,0774.28
Total1,801,921100.00
Valid votes1,801,92188.39
Invalid votes14,3350.70
Blank votes222,38310.91
Total votes2,038,639100.00
Registered voters/turnout3,177,55864.16
Source: [29]
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Results by commune

Results of the Chief of Government election by commune
Communes won by Macri
Communes won by Santoro
More information Commune, Macri (JxC) ...
Commune Macri
(JxC)		 Santoro
(UP)		 Marra
(LLA)		 Biasi
(FIT-U)		 Total votes
Votes % Votes % Votes % Votes %
Comuna 1 55,979 47.37 37,633 31.84 19,274 16.31 5,292 4.48 118,178
Comuna 2 63,506 65.96 18,584 19.30 11,742 12.19 2,453 2.55 96,285
Comuna 3 46,281 43.74 37,132 35.10 17,210 16.27 5,175 4.89 105,798
Comuna 4 48,509 39.19 48,558 39.23 19,931 16.11 6,773 5.47 123,771
Comuna 5 50,599 45.42 41,297 37.07 14,133 12.69 5,364 4.82 111,393
Comuna 6 61,774 52.33 38,407 32.53 13,024 11.03 4,851 4.11 118,056
Comuna 7 56,101 44.30 44,880 35.44 19,797 15.63 5,848 4.62 126,626
Comuna 8 33,998 33.07 43,089 41.91 20,319 19.76 5,406 5.26 102,812
Comuna 9 45,488 42.59 38,449 35.99 17,580 16.46 5,301 4.96 106,818
Comuna 10 50,715 47.34 36,228 33.82 14,988 13.99 5,191 4.85 107.122
Comuna 11 64,030 51.05 39,921 31.83 16,272 12.98 5,191 4.14 125,417
Comuna 12 75,285 54.04 42,374 30.42 16,125 11.58 5,523 3.96 139,307
Comuna 13 98,201 63.09 35,702 22.94 17,009 10.93 4,740 3.04 155,652
Comuna 14 90,686 62.05 34,355 23.51 16,763 11.47 4.341 2.97 146,145
Comuna 15 53,826 45.81 44,130 37.56 13,987 11.90 5,559 4.73 117,502
Prisons 153 14.73 711 68.43 109 10.49 66 6.35 1,039
Total 895,131 49.67 581,450 32.27 248,263 13.78 77,077 4.28 1,801,921
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Legislature

Distribution of seats in the City Legislature following the 2023 election:
  Union for the Homeland (18)
  Vamos por más (15) – ran as JxC
  La Libertad Avanza (9)
  UCR–Evolution (8) – ran as JxC
  Public Trust (3) – ran as JxC
  Liberal Republican Front (2) – ran as JxC
  Socialist Party (1) – ran as JxC
  PO–FIT-U (1)
  PTS–FIT-U (1)
  MST–FIT-U (1)
  United Republicans (1) – ran as JxC
More information Party, Votes ...
PartyVotes%Seats
WonTotal
Juntos por el Cambio890,97649.731530
Union for the Homeland557,80831.131018
La Libertad Avanza249,17013.9149
Workers' Left Front – Unity93,7595.2313
Total1,791,713100.003060
Valid votes1,791,71387.89
Invalid votes14,1470.69
Blank votes232,77911.42
Total votes2,038,639100.00
Registered voters/turnout3,177,55864.16
Source: [29]
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See also

References

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