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Lula, Bolsonaro neck-and-neck in Brazil runoff polls ahead of election

By Thomson Reuters Sep 14, 2026 | 5:40 AM

SAO PAULO, Sept 14 (Reuters) – Two opinion polls released on Monday showed Brazilian President Luiz Inacio Lula da Silva and right-wing Senator Flavio Bolsonaro statistically ​tied in a potential second-round runoff ahead of ‌next month’s election.

Lula regained a narrow lead over the eldest son of former President Jair Bolsonaro in a BTG Pactual/Nexus survey, while a separate Quaest poll commissioned by Globo showed the lawmaker numerically ‌ahead ​for the first time.

Bolsonaro’s strong showing ⁠in recent polls helped ⁠Brazilian assets rally last week as the senator is considered more market-friendly. If no candidate wins more than 50% of valid votes in the October 4 first ​round, the two frontrunners advance to a runoff on October 25.

BTG PACTUAL/NEXUS POLL

• Lula led Bolsonaro 47% to ⁠46% in a simulated runoff in ⁠the BTG Pactual/Nexus survey.

• A week ago, ​Bolsonaro held a 46%-45% lead over the leftist incumbent, marking ​the lawmaker’s strongest showing in the survey since March.

• ‌In a first-round scenario, the latest Nexus poll showed Lula with 42%, followed by Bolsonaro (37%), Augusto Cury (6%), Ronaldo Caiado (5%) and Renan Santos (2%).

• Nexus surveyed 2,003 people from September ⁠11 to 13; margin of error 2 percentage points.

QUAEST POLL

• The Quaest poll showed Bolsonaro ahead of Lula by 42% to ⁠40% in a ‌potential second-round runoff.

• A September 7 poll ⁠had the two tied at 41% each.

• ​In ‌a first-round scenario, Quaest had Lula leading ​with 36% ⁠of the votes, followed by Bolsonaro (31%), Cury (7%), Caiado (4%) and Santos (4%).

• Quaest surveyed 2,004 people from September 10 to 13; margin of error 2 percentage points.

(Reporting by Michael Susin in Barcelona and Gabriel Araujo in Sao Paulo, Editing by Louise Heavens ​and Alistair Bell)