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Bolsonaro Tops Lula in First Round, Forcing October 25 Runoff

Lula must quickly court abstainers and supporters of minor candidates to erase a roughly 2.2 million‑vote deficit as a banking probe and a split on the Supreme Federal Tribunal reshape voter views.

Pedestrians pass defaced posters of US President Donald Trump and Liberal Party (PL) presidential candidate Flavio Bolsonaro, one day after general elections have led to a second-round run-off for president between Bolsonaro and Brazilian President Luiz Inacio Lula da Silva of the Workers' Party (PT), in Sao Paulo, Brazil, October 5, 2026.   REUTERS/Brian Snyder
A poster of US President Donald Trump and Liberal Party (PL) presidential candidate Flavio Bolsonaro is partially removed, as Brazil's currency and stocks jumped one day after general elections have led to a second-round run-off for president between Bolsonaro and Brazilian President Luiz Inacio Lula da Silva of the Workers' Party (PT), in Sao Paulo, Brazil, October 5, 2026.   REUTERS/Brian Snyder
Brazilian President and Workers' Party (PT) candidate for re-election, Luiz Inacio Lula da Silva, speaks after the country's electoral authority said Flavio Bolsonaro will face Lula in the runoff of a presidential election in Sao Paulo, Brazil, October 4, 2026. REUTERS/Amanda Perobelli
Brazil's presidential candidate Flavio Bolsonaro of the Liberal Party (PL) reacts after the country's electoral authority said he will face President Luiz Inacio Lula da Silva in the runoff of a presidential election, in Brasilia, Brazil, October 4, 2026. REUTERS/Diego Herculano

Overview

  • Flávio Bolsonaro won roughly 47% to Luiz Inácio Lula da Silva’s 45% in the first round, leaving Lula about 2.2 million votes behind and setting a runoff for October 25 after Sunday’s Oct. 4 vote.
  • Bolsonaro’s bloc also made significant congressional gains, strengthening his party’s position on judgeships and policymaking and giving his camp momentum going into the runoff.
  • Lula’s campaign is urgently overhauling communications, adding new strategists, running targeted ads and aiming to mobilize the record 33 million abstainers plus nine million voters who chose minor candidates.
  • The Banco Master investigation and a police report that allegedly showed messages involving banker Daniel Vorcaro and a Supreme Federal Tribunal justice have produced a public rift on the court and become a potent political issue.
  • Analysts say late consolidation of right‑leaning voters and the courtroom scandal helped Bolsonaro outperform polls, and a Bolsonaro win could shift Brazil’s foreign policy and trade ties in ways that affect critical minerals, agriculture and U.S.‑China competition.