The first round of Brazil’s 2026 presidential election on October 4 produced a runoff between incumbent Luiz Inácio Lula da Silva (PT) and Senator Flávio Bolsonaro (PL), with the latter securing 56.1 million votes (47.03%) and Lula 53.9 million (45.16%) out of roughly 119.3 million valid ballots. Neither reached a majority, advancing both to the October 25 second round amid an electorate of 158.7 million. Historical records show the prior high of 60.35 million votes cast for any candidate occurred in 2022. The current electorate size, combined with vote consolidation from eliminated candidates and typical second-round turnout patterns, has produced trader consensus that at least one contender will exceed that threshold. Scheduled debates and final campaign mobilization in the coming weeks remain the primary variables that could influence final participation levels.