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Milei's Libertarian Party Leads Buenos Aires Legislative Vote in Key Political Test

With 96% of votes counted, Milei's slate secures 30.14%, signaling potential momentum for October midterms despite legislative challenges.

People stand in line at a polling station, during the legislative elections of the city of Buenos Aires, Argentina, May 18, 2025. REUTERS/Tomas Cuesta
Argentina's President Javier Milei gestures, on the day of the legislative elections of the city of Buenos Aires, Argentina, May 18, 2025. REUTERS/Tomas Cuesta
Argentina's President Javier Milei speaks to the media as General Secretary of the Presidency and sister of the president, Karina Milei looks on on the day they vote in the legislative elections of the city of Buenos Aires, Argentina, May 18, 2025. REUTERS/Tomas Cuesta
Argentina's President Javier Milei arrives to vote in city legislatures elections in Buenos Aires, Argentina Sunday, May 18, 2025. (AP Photo/Rodrigo Abd)

Overview

  • President Javier Milei's La Libertad Avanza party leads Buenos Aires legislative elections with 30.14% of the vote, ahead of Peronist and PRO rivals.
  • The election is widely seen as a referendum on Milei's economic reforms and a barometer for the upcoming national midterms in October.
  • Milei's administration has highlighted reduced inflation and Argentina's first budget surplus in 14 years as key achievements during the campaign.
  • The results underscore Milei's growing support but also highlight his party's ongoing legislative constraints, holding only a minority in Congress.
  • Milei's alliance with former President Mauricio Macri continues to fracture, as the PRO candidate trails significantly in the Buenos Aires vote.