Milei's party, La Libertad Avanza, received 41 percent of votes with 92 percent of ballots counted, according to data published by the Interior Ministry.
President Javier Milei's party won Argentina's midterm vote, giving the libertarian leader a strong foothold in Congress to pursue aggressive free-market policies.
La Libertad Avanza led in most of Argentina's provinces, finishing well ahead of the main opposition party, which garnered about 32 percent of the vote.
Donald Trump has praised and provided a financial lifeline to Milei's policies.
Author's summary: Milei's party wins Argentina midterm vote with 41% of votes.