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2025 Buenos Aires City elections

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2025 Buenos Aires City elections
City Legislature
← 2023
18 May 2025
2027 →
30 out of 60 seats in the City Legislature
Turnout53.38%
Party Leader Vote % Seats +/–
LLA Manuel Adorni 30.70 11 +7
Es Ahora Buenos Aires Leandro Santoro 27.89 10 0
Buenos Aires Primero Silvia Lospennato 16.22 5 −10
Volvamos Buenos Aires Horacio Rodríguez Larreta 8.24 3 +3
FIT – Unidad Vanina Biasi 3.22 1 −1
This lists parties that won seats. See the complete results below.
Results by electoral circuit

The 2025 Buenos Aires City elections were held on 18 May 2025, to elect 30 seats in the Buenos Aires City Legislature.[1]

La Libertad Avanza, leading the country through President Javier Milei, received 30.7% of the vote. More than double the party's vote share in 2023, it proved enough to defeat both Propuesta Republicana, the city's ruling party, and Es Ahora Buenos Aires, a Peronist coalition.

Election schedule

[edit]

The electoral process was conducted according to the timetable established by the Electoral Tribunal in Decree 91/GCBA/2025 on 25 February 2025.

Date Event
March 19 Formation of alliances and start of the election campaign.
March 29 Closing of candidate lists for Legislature of the Autonomous City of Buenos Aires.
April 18 Dissemination of links enabling eligible voters to consult the electoral register and locate their polling station.
April 29 Debate between the leading candidates for Legislature of the Autonomous City of Buenos Aires.
May 11 Deadline for holding the election debate between candidates.
May 16 End of the election campaign. Start of the election restrictions.
May 18 Local legislative elections
May 20 Start of final vote counting.
June 2 Deadline for publication of the final vote count.

Alliances

[edit]

Several electoral alliances were registered ahead of the 18 May elections:[2]

  • Buenos Aires Primero—the governing alliance in the city—nominated Silvia Lospennato as its lead candidate. The coalition includes Propuesta Republicana (PRO) and Encuentro Republicano Federal, among other parties.
  • Let’s Return to Buenos Aires nominated former head of the city government Horacio Rodríguez Larreta as its lead legislative candidate; the coalition comprised Confianza Pública and the Federal Party.[4]
  • Evolution, formed by the Unión Cívica Radical (UCR), Generación para un Encuentro Nacional (GEN), and the Socialist Party.
  • Principles and Values nominated businessman Alejandro Kim as its lead legislative candidate; the alliance comprised the eponymous party and the Retirees and Youth Movement.
  • Confluence for Equality and Sovereignty presented María Eva Koutsovitis, an engineer and teacher, as its lead candidate; the alliance comprised the Electoral Instrument for Popular Unity, the Communist Party, and Popular Left.

Nine parties contested independently, without forming alliances:

  • ARI Civic Coalition ran independently, with Paula Oliveto as its lead candidate.
  • La Libertad Avanza, the national governing party, ran independently with Manuel Adorni as its lead candidate.
  • Movimiento de Integración y Desarrollo (MID) initially planned to ally with Buenos Aires Primero but subsequently registered its own list, nominating Ricardo Caruso Lombardi for the legislature.
  • Unión del Centro Democrático nominated Ramiro Marra as its lead legislative candidate; Marra sought reelection following his departure from La Libertad Avanza in early 2025.
  • The Left in the City nominated teacher and activist Federico Winokur as its lead legislative candidate.
  • Federal Patriotic Front nominated its secretary general, lawyer César Biondini—son of party president Alejandro Biondini—as its lead candidate.
  • Movimiento Plural nominated pharmacist and trade unionist Marcelo Peretta, director of the Argentine Union of Pharmacists and Biochemists, as its lead candidate.
  • El Movimiento nominated Mila Zurbriggen, a nationalist activist and former member of La Libertad Avanza, as its lead candidate.

Results

[edit]
PartyVotes%Seats
La Libertad Avanza495,96630.7011
Es Ahora Buenos Aires450,55927.8910
Buenos Aires Primero262,02716.225
Volvamos Buenos Aires133,1088.243
Workers' Left Front52,0313.221
Union of the Democratic Centre43,0972.67–
Civic Coalition ARI41,1282.55–
Evolución38,0542.36–
Principles and Values33,4302.07–
Integration and Development Movement27,5441.71–
Unión Porteña Libertaria10,3200.64–
Seamos Libres8,3600.52–
La Izquierda en la Ciudad6,3200.39–
Confluencia por la Igualdad y la Soberanía5,4480.34–
El Movimiento3,2470.20–
Patriot Front2,5920.16–
Movimiento Plural2,0910.13–
Total1,615,322100.0030
Valid votes1,615,32297.98
Invalid/blank votes33,3442.02
Total votes1,648,666100.00
Registered voters/turnout3,088,75053.38
Source: [6]

By comuna

[edit]
La Libertad Avanza
Adorni		 Es Ahora Buenos Aires
Santoro		 Buenos Aires Primero
Lospennato		 Volvamos Buenos Aires
Larreta		 Others Total Margin
Commune Votes % Votes % Votes % Votes % Votes % Votes %
Comuna 132.95032,3527.27526,7817.26116,957.6257,4916.73616,43101.8475.6755,57
Comuna 232.03238,0114.11616,7519.00322,556.0757,2113.05315,4984.27917.91621,26
Comuna 328.40729,8028.78630,2012.94813,587.3897,7517.79718,6795.3273790,40
Comuna 429.65327,1436.13633,0714.59013,359.2878,5019.60117,94109.2676.4835,93
Comuna 527.11326,9232.74932,5114.84814,748.1278,0717.88717,76100.7245.6365,60
Comuna 631.18128,8730.46828,2119.18417,768.6538,0118.53317,16108.0197130,66
Comuna 734.61930,2234.37630,0116.21714,169.2728,0920.07617,52114.5602430,21
Comuna 824.82227,2632.33935,529.34010,268.1929,0016.36417,9791.0577.5178,26
Comuna 928.75129,7530.00531,0412.58113,028.0838,3617.23817,8396.6581.2541,30
Comuna 1029.27729,9128.99229,6213.84814,158.293817.48117,8697.8912850,29
Comuna 1135.95231,1831.93927,7017.93115,5510.2178,8619.27916,72115.3184.0133,48
Comuna 1239.04930,5834.34826,9022.14517,3411.4879,0020.65816,18127.6874.7013,68
Comuna 1348.22334,7527.73319,9930.45921,9511.3318,1721.01915,15138.76520.49014,77
Comuna 1445.01735,4026.30320,6926.68120,9810.0367,8919.11215,03127.14918.71414,72
Comuna 1528.84327,5134.78433,1814.95414,268.9778,5617.28416,49104.8425.9415,67
Prisoners7714,4221039,33376,936411,9914627,3453413324,91
Total495.96630,70450.55927,89262.02716,22133.1088,24273.66216,941.615.32245.4072,81

See also

[edit]

References

[edit]
  1. ↑ Chaves, Por Facundo (2025-03-19). "Elecciones porteñas: el PRO de Macri y los libertarios de Milei van separados, se anotaron Larreta y Lousteau y Marra espera". infobae (in European Spanish). Retrieved 2025-09-19.
  2. ↑ "This is how the alliances in the City of Buenos Aires were formed ahead of the May 18 elections". Minuto Uno. Mar 20, 2025.
  3. ↑ "Leandro Santoro confirmed that he will be a candidate for legislator in the City of Buenos Aires". Infobae. Mar 18, 2025.
  4. 1 2 Chaves, Facundo (Mar 19, 2025). "Buenos Aires elections: Macri's PRO and Milei's libertarians are running separately; Larreta and Lousteau have registered, and Marra is waiting". Infobae.
  5. ↑ "Yamil Santoro launched his libertarian space in Buenos Aires with a controversial logo that merges UxP and the PRO". Perfil. Mar 20, 2025.
  6. ↑ "Resultados Elecciones Legislativas 2025". Tribunal Electoral de la Ciudad de Buenos Aires.
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