Incumbent leftist President Luiz Inácio Lula da Silva narrowly defeated conservative Sen. Flavio Bolsonaro in Sunday's presidential runoff, according to The Associated Press. The deeply polarized nation returned to the polls for a second round runoff on Sunday.

Bolsonaro narrowly won the first round on Oct. 4, with 47% of the vote, to Lula's 45%, but fell short of the 50% majority required to win the election outright.

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The victory marks an unprecedented fourth presidential term for Lula, and a remarkable comeback victory. The result is even more surprising given that Bolsonaro had led, albeit by tight margins, in recent polling, and Brazil had recently elected a conservative congress aligned with the Bolsonaro agenda.

Earlier in the day, Lula voted in Sao Bernardo do Campo, Sao Paulo, while Bolsonaro voted in the north of Rio de Janeiro, the state he represents in the Senate.

The first vote tallies came in from Brazilians living overseas, where Lula won a decisive victory in Germany, and Bolsonaro won an overwhelming victory in Japan.

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While Bolsonaro performed well in his southern electoral strongholds, winning by comfortable margins in Rio de Janeiro, São Paulo, Paraná, and Rio Grande do Sul, he won those states by smaller margins than in the first round.

His turnout in the south was not enough to overcome Lula's famed Northeastern firewall; a reflection of the Workers Party dominance in the country's populous "Nordeste" region.

Bolsonaro also turned in a disappointing performance in Minas Gerais, which geographically and politically straddles the Brazilian north/south divide. Often referred to as the nation's quintessential bellwether state, it is fair to say that as goes Minas Gerais, so goes the nation.

While Bolsonaro won Minas Gerais by 5% in the first round, in the second round it was essentially tied.

Bolsonaro had received endorsements from other first round candidates: best-selling author Augusto Cury, former Minas Gerais Governor Romeu Zema, and former Goiás Governor Ronaldo Caiado.

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However, they were not enough to overcome the much-respected electoral machinery of the Workers Party. Lula has now appeared on the presidential ballot 7 times, winning 4 of those elections.

Heading into the first round, Flavio Bolsonaro was effectively able to make the case to working-class and middle-class voters that the Lula's economic approach was driving up their cost of living.

He painted the Lula administration as bloated, tax-heavy, and given to racking up debt and tied this to inflation and kitchen table economics.

Additionally, his message of hardline law and order appealed to a Brazilian public where voters routinely suggest that violence is the most pressing issue.

Nonetheless, these economic and security concerns were not enough to overcome a generation of loyalty to the Workers Party and its social programs, particularly in the North and Northeast of the country, where Lula won by wide margins.

While Lula will be riding high heading into a historic fourth term in office, he will face a Congress with a center-right and right-wing majority that has been described as one of the most conservative in history.

While Flavio Bolsonaro lost the 2026 election by a narrow margin, the Bolsonaro movement is certainly not going away, and arguably remains an influential force in modern Brazilian politics.

The Lula victory also brings to an end a long string of victories for Trump-backed right-wing candidates across the region. While Trump had not officially endorsed Flavio Bolsonaro, he made no secret of his preference, and enjoyed a close relationship with the Bolsonaro family.

Looking forward to 2030, all eyes will turn to Bolsonaro clan ally Tarcisio de Freitas, who stepped aside this election cycle, in order to clear the way for Flavio Bolsonaro's run. Will the Brazilian right back another Bolsonaro in four years time, or will the popular São Paulo governor also mount a bid?

In addition to the presidential election, voters in five states, as well as the federal district of Brasília, were also selecting governors in runoff elections. Bolsonaro-aligned candidates appeared poised to win most of those races.

The Associated Press contributed to this report.