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Brazil First Round Produces State Senate and Gubernatorial Winners as Counting Advances

Automated tallies drawn from the electoral court, which recorded more than 125.2 million votes, have already given some candidates decisive Senate victories while national validation continues.

Overview

  • The Oct. 4 first round drew just over 125.2 million voters and generated rapid, municipality-level results published from Tribunal Superior Eleitoral (TSE) data.
  • Agência Brasil compiled state-by-state lists showing many governors elected or moving to runoffs and naming the most-voted senators, including Rui Costa and Jaques Wagner in Bahia.
  • The TSE confirmed some outcomes as mathematically decided, for example Mauro Mendes and Zé Medeiros in Mato Grosso with roughly 95.75% of ballots counted.
  • Local automated reports fed by TSE data and supervised by journalists exposed sharp geographic splits in the presidential vote with Flavio Bolsonaro leading in many municipalities and Lula dominating others.
  • Late pre-election polls such as a Quaest survey in Bahia showed Rui Costa leading in the two-seat Senate race and offer a benchmark for comparing the official tallies as the court completes validation.