Updated October 27, 2025 at 2:06 AM CDT
BUENOS AIRES, Argentina — Argentina's libertarian President Javier Milei won decisive victories in key districts in midterm elections Sunday, clinching a crucial vote of confidence that strengthens his ability to carry out his radical free-market experiment with billions of dollars in backing from the Trump administration.
In the election widely seen as a referendum on Milei's past two years in office, his upstart La Libertad Avanza party scored over 40% of votes compared with 31% for the left-leaning populist opposition movement, known as Peronism, exceeding analysts' projections.
Milei, a key ideological ally of U.S. President Donald Trump, said his party and allied blocs picked up 14 seats in the Senate and 64 in the lower house of Congress on Sunday, bolstering the government's support in the legislature enough to uphold presidential vetoes and block impeachment efforts.
At La Libertad Avanza headquarters late Sunday in downtown Buenos Aires, a beaming Milei hailed the election sweep as a mandate to press forward with his spending cuts and introduce ambitious tax and labor reforms. The results also automatically position him as a candidate for reelection in 2027.
"The Argentine people have decided to leave behind 100 years of decadence," Milei exulted as his supporters cheered, referring to a succession of Peronist governments that brought Argentina infamy for its inflationary spirals and sovereign debt defaults.
"Today we have passed the turning point. Today we begin the construction of a great Argentina."
High stakes include $40 billion from the U.S.
Perhaps never has an Argentine legislative election generated so much interest in Washington and Wall Street.
Trump appeared to condition a $20 billion currency swap deal with Argentina's central bank and an additional $20 billion loan from private banks on a good showing for Milei in national midterms, threatening to rescind the assistance for the cash-strapped country in the event of a Peronist victory.
"If he wins we're staying with him, and if he doesn't win, we're gone," Trump said after welcoming Milei to the White House earlier this month.
Those contentious comments added to mounting pressure on Milei, who has scrambled to avert a currency crisis since the Peronist opposition won a landslide victory in Buenos Aires provincial polls last month. Argentina's bonds and currency nosedived as markets sensed that the public was losing patience with Milei's reforms and that the midterm race would be tight.
To stem the run on the peso, Milei burned through billions of dollars in foreign exchange reserves to shore up the peso. In an extraordinary move, the U.S. Treasury then came to the rescue, selling dollars to help meet soaring demand for greenbacks and finalizing the credit line.
In the end, the Peronist alliance performed poorly, underscoring how weak the once-dominant movement has become in the Milei era, largely as a result of internal divisions. Markets were widely expected to rally on Monday.
"For foreign investors, this outcome is a relief because it shows that the Milei program can be sustainable," said Marcelo J. García, the America's director for the geopolitical risk consultancy Horizon Engage.
"It leaves the opposition weakened and fragmented, just as it was when Milei won the presidency in December 2023," Garcia added.
The Peronist coalition has struggled to channel rising public anger with Milei's painful austerity measures into a new political strategy after delivering the economic shambles that the chain saw-wielding outsider inherited in late 2023.
Trump, while on his way to Japan on Monday, posted on Truth Social that Milei was "doing a wonderful job" after his party beat expectations in midterm elections.
"Our confidence in him was justified by the People of Argentina," Trump wrote.
Milei responded to Trump's post, calling him "a great friend" of Argentina and thanking him for "trusting the Argentine people."
A changed electoral map
The results showed Milei's young libertarian party gaining support across the country — including in some surprising corners that have long been under the sway of Peronism.
In the closely watched Buenos Aires province, a Peronist stronghold home to nearly 40% of the electorate, La Libertad Avanza eked out a razor-thin victory Sunday. Just last month, the Peronists beat Milei's party there by a whopping 14 percentage points.
Axel Kicillof, governor of Buenos Aires province and the most influential elected official in the Peronist opposition, criticized Trump for putting his thumb on the scale.
He warned that the billions of dollars in financial aid from the U.S. Treasury and investment banks would do nothing to help ordinary Argentines squeezed by Milei's cuts to subsidies or forced out of business by a contracting economy.
"I want to make it clear that neither the U.S. government nor JP Morgan are charitable societies," he said. "If they come to Argentina, it is for nothing other than to take a profit."
With Milei's efforts to deregulate the economy and scrap tariffs winning over Argentina's powerful agriculture sector, La Libertad Avanza also swept Santa Fe, which dominates soybean production and processing, and Córdoba, another powerhouse farming province.
Risks remain for Milei as austerity hits hard
Despite Milei's new momentum, experts caution that the irascible president still needs to court political allies to see through his agenda. Given the limited number of seats up for grabs in this election, it was mathematically impossible for Milei to secure a majority in either house.
"This victory is necessary, but not sufficient to maintain control of Congress," said political consultant Sergio Berensztein. "The government must build a broad and effective coalition with like-minded forces."
Seeking to capitalize quickly on Sunday's results, Milei said he called the country's powerful provincial governors to accelerate agreements on long-term economic reform.
Sunday's outcome will also test public patience for Milei's cost-cutting measures in the coming months. Although Milei's budget cuts have significantly driven down inflation — from an annual high of 289% in April 2024 to 32% last month — the price increases still outpace salaries and pensions.
The electorate appears increasingly polarized between beneficiaries of Milei's reforms and those who say they're struggling to make ends meet like never before.
In the financial district of Puerto Madero, luxury car dealerships report sales surging since Milei scrapped import restrictions. Streets bustle with bankers who praise the president for ending a yearslong ban on selling dollars online. Fine restaurants serve Argentine oil executives who gush about his efforts to draw foreign investment.
But at a soup kitchen on the other side of Argentina's Riachuelo River, Epifanía Contreras, 64, said she feels like she's bearing the brunt of the cutbacks.
"You can't live on 290,000 pesos a month with today's inflation," she said, describing how her $200 monthly pension has shriveled in value since Milei cut cost-of-living increases. "The situation is getting worse and worse."
Reflecting widespread public resignation, electoral authorities reported a turnout rate of just under 68% Sunday, among the lowest recorded since the nation's 1983 return to democracy. Voting is compulsory in Argentina.
"I vote out of obligation, nothing more," said Matías Paredes, 50, a real estate broker whose foreign clientele vanished with Milei's strong exchange rate. "None of these figures inspire optimism. We're just choosing the lesser evil."
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