Lula Wins Fourth Term as 10.4 Million Late Votes Swing Runoff

President Luiz Inácio Lula da Silva secured his fourth non-consecutive term after gathering more than 64 million votes in Sunday’s runoff. His opponent, Sen. Flávio Bolsonaro, received just under 60 million votes, leaving Lula with a margin of nearly 4 percent. The result stands despite a sudden, nationwide extension of voting hours that disrupted the usual rapid tallying process.

The shift in momentum came from a surge in voter turnout. An additional 14.1 million Brazilians participated in the second round compared to the first. Analysts estimate that three-quarters of these newly engaged voters supported Lula. This influx included former non-voters, those who cast blank ballots previously, and supporters of third-party candidates who entered the runoff.

Lula’s digital strategy played a central role in mobilizing this group. Lawmaker André Janones led the effort, operating a WhatsApp channel called “Lula's Army” that amassed almost 11 million members. This platform used constant social media messaging to reach uncommitted voters. The campaign also pressured Meta to ensure equal treatment on its platforms after the electoral court ordered the company to address perceived algorithmic bias on Oct. 15.

Flávio Bolsonaro announced Sunday that he plans to request an annulment of the election. His team cited the chaotic extension of voting hours, which was requested by both candidates and approved by a Supreme Court justice minutes before polls closed. Jair Bolsonaro, the former president and Flavio’s father, is serving a 27-year sentence for a coup attempt and also unsuccessfully contested the 2022 election.

Donald Trump criticized the outcome on Monday without presenting evidence. He told reporters that the election “looked very bad” and “looked like another rigged election.” Trump made these comments before departing for a rally in Mississippi. His remarks add an international dimension to the domestic dispute over the validity of the count.

Institutions within Brazil and regional leaders generally recognize the result. Kassio Nunes, president of Brazil’s electoral authority, acknowledged Lula’s victory on Sunday. Brian Winter, a Brazil analyst, noted that power brokers are closing ranks behind the incumbent to avoid a protracted legal battle. The next major step is Lula’s inauguration on Jan. 5, 2027, though legal challenges from Bolsonaro’s camp could continue before then.

Brazil’s electronic voting system, adopted in the 1990s, has rarely faced successful fraud claims. The sudden extension created logistical confusion, with some polling stations receiving the news late. Despite the procedural irregularity, the decisive margin and historical reliability of the system suggest that the path to annulment remains difficult for the opposition.