2025 Buenos Aires City elections
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30 out of 60 seats in the City Legislature | ||||||||||||||||||||||||||||||||||||||
| Turnout | 53.38% | |||||||||||||||||||||||||||||||||||||
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This lists parties that won seats. See the complete results below.
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The 2025 Buenos Aires City elections were held on 18 May 2025, to elect 30 seats in the Buenos Aires City Legislature.[1]
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
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.
- Es Ahora Buenos Aires—whose lead candidate was Leandro Santoro—was formed by the Justicialist Party, Frente Patria Grande, Kolina, and other parties that joined the Unión por la Patria coalition in 2023.[3]
- 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.
- Unión Porteña Libertaria—whose lead candidate was Yamil Santoro—was formed by the Libertarian Party and the Christian Democratic Party.[5]
- Left and Workers’ Front – Unity (FIT-U) fielded Vanina Biasi (Workers’ Party, PO) and Luca Bonfante (Socialist Workers’ Party, PTS), among others; the coalition comprises the Workers’ Party (PO), Socialist Workers’ Party (PTS), Socialist Workers’ Movement (MST), and Socialist Left.[4]
- 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.
- Let’s Be Free ran independently after the Evita Movement left the Es Ahora Buenos Aires coalition that nominated Leandro Santoro, fielding Juan Manuel Abal Medina as its 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.
