The 45-year-old is now expected to become prime minister, leading a right-wing coalition.
In Sunday's election, the far-right politician Giorgia Meloni, who had been essentially inconsequential in Italian politics until a few years ago, won.
Giorgia Meloni, a nationalist accused of promoting white supremacist notions by political adversaries and experts,
was set to become Italy's first far-right leader since World War II on Monday. According to preliminary results from Sunday's election, Matteo Salvini's League party
and Silvio Berlusconi's Forza Italia center-right party will form a right-wing coalition under the leadership of her Brothers of Italy party (Fratelli d'Italia).
It is anticipated that the administration would hold a majority in both the upper and lower houses of the Italian Parliament, giving 45-year-old Meloni the authority to implement her nationalist,
euroskeptic platform and enlarging the ranks of far-right leaders in European politics.
Salvini will serve in government,
but his League party had a poor night with just 9% of the vote, down from around 17% in 2018.
Forza Italia, the previous ruling party founded by Silvio Berlusconi, received 8% of the vote.
With only 19% of the vote, the Democratic Party of the Center-Left declared defeat.
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