Brazilian election officials declared incumbent President Luiz Inácio Lula da Silva the winner of a presidential runoff election on Sunday, October 25, 2026. Lula, a member of the left-wing Workers’ Party, secured a fourth non-consecutive term with just under 52% of the vote. His challenger, Senator Flávio Bolsonaro of the right-wing Liberal Party, rejected the results and called for the election to be annulled.
The runoff followed a first round of voting in which Flávio Bolsonaro had placed ahead of Lula. The election cycle was marked by a house arrest sentence for the challenger’s father, former President Jair Bolsonaro, who was convicted of plotting a coup after losing a previous election to Lula. On the day of the runoff, both campaigns reported voting disruptions and requested extensions to polling hours, citing public transport issues and weather conditions.
Supreme Court Justice Cristiano Zanin ordered an extension of voting hours after the president of the Supreme Electoral Court, Kassio Nunes Marques, initially declined to act. Because the order was issued shortly after polls were scheduled to close, some stations had already shut and could not reopen. Despite the delay, Nunes Marques later confirmed Lula’s victory, stating that the extension did not negatively impact the electoral process or the count. Lula defeated Flávio Bolsonaro by a margin of approximately 4.4 million votes.
The scale of the victory—a margin of 4.4 million votes out of a population where Lula took 52% of the runoff share—translates to a significant portion of the electorate supporting the incumbent. Citizens will see the immediate continuation of Lula's domestic agenda, while supporters of the Bolsonaro family will be affected by the rejection of their request to nullify the results. Legal experts from the Institute of Lawyers of São Paulo noted that an annulment is unlikely because Brazil's election dates are fixed by the constitution, meaning a person’s vote on October 25 is final and cannot be rescheduled to a later date.
The decision sets a precedent for how the Brazilian Supreme Court handles late-day polling extensions and challenges to electronic voting outcomes. The next steps involve the formal certification of the results and the commencement of Lula’s fourth term in January. While Flávio Bolsonaro has called the results "inexplicable," electoral law experts indicate that the legal path to overturning the 4.4-million-vote margin is remote. The official transition period will continue until the inauguration date, which is set by the Brazilian constitution.