2025 Buenos Aires provincial election
7 September 2025
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General elections were held in Buenos Aires Province on 7 September 2025, to renew 46 seats in the Chamber of Deputies and 23 in the Senate.[1] In addition, councilors and school counselors were elected in the municipalities of Buenos Aires.
It is the first time since the restoration of democracy in 1983 that the provincial elections in Buenos Aires were held on a date other than the national elections.
The Justicialist Party won 47% of the vote, followed by La Libertad Avanza of President Javier Milei at 34%.[2]
The electoral victory of the left sparked widespread panic across financial markets, causing the peso to plunge by nearly 10% in a matter of hours. This sharp decline was fueled by concerns among investors about the potential downfall of President Javier Milei’s pro-market, business-friendly libertarian administration.[3]
Election schedule
| Date[4] | Event |
|---|---|
| July 9, 2025 | Deadline for submitting electoral alliances. |
| July 19, 2025 | Deadline for the submission of candidates for provincial deputies and senators. |
| August 8, 2025 | Presentation of party ballots. |
| September 5, 2025 | End of the election campaign period, broadcasting of campaign ads, and publication of polls and election surveys. |
| September 7, 2025 | Holding of provincial elections. |
Positions to Choose From
| Electoral Section |
Chamber of Deputies | Senate | ||
|---|---|---|---|---|
| Deputies | To be Renewed | Senators | To be Renewed | |
| 1 | 15 | — | 8 | 8 |
| 2 | 11 | 11 | 5 | — |
| 3 | 18 | 18 | 9 | — |
| 4 | 14 | — | 7 | 7 |
| 5 | 11 | — | 5 | 5 |
| 6 | 11 | 11 | 6 | — |
| 7 | 6 | — | 3 | 3 |
| 8 - Capital | 6 | 6 | 3 | — |
| Total | 92 | 46 | 46 | 23 |
Results
Chamber of Deputies
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| Fuerza Patria | 2,065,415 | 49.65 | 21 | |
| La Libertad Avanza | 1,272,584 | 30.59 | 18 | |
| Somos Buenos Aires | 238,708 | 5.74 | 5 | |
| Workers' Left Front | 211,035 | 5.07 | 2 | |
| Nuevos Aires | 98,534 | 2.37 | – | |
| Unión y Libertad | 60,057 | 1.44 | – | |
| Potencia | 50,565 | 1.22 | – | |
| Libertarian Party | 33,735 | 0.81 | – | |
| Unión Liberal | 24,649 | 0.59 | – | |
| Workers' Party | 24,034 | 0.58 | – | |
| Movimiento Avanzada Socialista | 21,001 | 0.50 | – | |
| Valores Republicanos | 16,746 | 0.40 | – | |
| Patriot Front | 15,715 | 0.38 | – | |
| Construyendo Porvenir | 12,356 | 0.30 | – | |
| Tiempo de Todos | 10,658 | 0.26 | – | |
| Es Con Vos, Es Con Nosotros | 3,874 | 0.09 | – | |
| Total | 4,159,666 | 100.00 | 46 | |
| Valid votes | 4,159,666 | 95.01 | ||
| Invalid/blank votes | 218,614 | 4.99 | ||
| Total votes | 4,378,280 | 100.00 | ||
| Registered voters/turnout | 7,075,220 | 61.88 | ||
| Source: [5] | ||||
Senate
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| Fuerza Patria | 1,796,073 | 44.95 | 13 | |
| La Libertad Avanza | 1,482,513 | 37.11 | 8 | |
| Somos Buenos Aires | 280,012 | 7.01 | 2 | |
| Workers' Left Front | 144,761 | 3.62 | – | |
| Potencia | 60,177 | 1.51 | – | |
| Unión y Libertad | 50,808 | 1.27 | – | |
| Unión Liberal | 29,841 | 0.75 | – | |
| Libertarian Party | 24,956 | 0.62 | – | |
| Workers' Party | 21,561 | 0.54 | – | |
| Es Con Vos, Es Con Nosotros | 20,152 | 0.50 | – | |
| Partido Valores Republicanos | 18,093 | 0.45 | – | |
| Movimiento Avanzada Socialista | 17,604 | 0.44 | – | |
| Construyendo Porvenir | 16,819 | 0.42 | – | |
| Patriot Front | 14,927 | 0.37 | – | |
| Tiempo de Todos | 11,651 | 0.29 | – | |
| Nuevos Aires | 5,428 | 0.14 | – | |
| Total | 3,995,376 | 100.00 | 23 | |
| Valid votes | 3,995,376 | 90.88 | ||
| Invalid/blank votes | 401,132 | 9.12 | ||
| Total votes | 4,396,508 | 100.00 | ||
| Registered voters/turnout | 7,301,372 | 60.21 | ||
| Source: [5] | ||||
See also
- 2025 Buenos Aires City elections
- 2025 Argentine provincial elections
- 2025 Argentine legislative election
References
- ^ Booth, Amy (8 September 2025). "Buenos Aires Province 2025 elections: the numbers you need to know". Buenos Aires Herald. Retrieved 8 September 2025.
- ^ "Argentina President Milei suffers crushing defeat in Buenos Aires provincial election". AP News. 8 September 2025. Retrieved 8 September 2025.
- ^ Nugent, Ciara (23 September 2025). "How Argentina's Javier Milei lost the markets and turned to Donald Trump". Financial Times.
- ^ "Oficializaron el cronograma completo previo a las elecciones legislativas bonerenses". 29 May 2025. Retrieved 10 July 2025.
- ^ a b "Resolucion Aprobando Escrutinio Definitivo de las Elecciones Provinciales 2025" (PDF). Junta Electoral de la Provincia de Buenos Aires.