One of President Donald Trump 's staunchest South American allies, Argentine President Javier Milei, has suffered a major setback at the ballot box but has vowed to press ahead with his economic program despite growing signs of an erosion of support.

Newsweek has contacted Milei's office for comment.

Why It Matters

Trump has made no secret of his admiration for Milei, and the Argentine president was the first foreign leader to visit Mar-a-Lago after Trump won the 2024 presidential election. Milei also praised Elon Musk for his efforts to help Trump win the election, saying the tech mogul was going to "save humanity."

Milei has implemented a series of austerity measures, including slashing energy and transport subsidies, laying off tens of thousands of government workers, freezin

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