Argentina's libertarian President Javier Milei has won decisive victories in key districts across the nation in midterm elections.

The results clinch a crucial vote of confidence that strengthens Milei's ability to carry out his radical free-market experiment with billions of dollars in backing from the Trump administration.

Milei's governing La Libertad Avanza party won 40.84 per cent of the votes nationally in elections for the lower house of Congress, according to tallies in local media using numbers from electoral authorities that significantly exceeded analysts' projections for Sunday's vote.

The early results also showed La Libertad Avanza sweeping six of the eight provinces that voted to renew a third of the Senate.

Perhaps never has an Argentine legislative election generated s

See Full Page