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Lula retains lead over Flavio Bolsonaro ahead of Brazil election, Datafolha shows

By Thomson Reuters Aug 21, 2026 | 5:54 PM

SAO PAULO, Aug 21 (Reuters) – Brazilian President Luiz Inacio Lula da Silva continues to lead Senator Flavio Bolsonaro ahead of the October election, although ​the right-wing challenger has narrowed the gap ‌by one percentage point, a change within the error margin, a Datafolha poll showed on Friday.

In a simulated second-round runoff, Lula would receive 47% of the vote against Bolsonaro’s 43%, according ‌to ​Datafolha, which has an error ⁠margin of two percentage ⁠points. In July, Lula led Senator Bolsonaro, son of ex-President Jair Bolsonaro, by 48% to 43%.

• In a first-round scenario, Lula leads with 39% of the ​votes, followed by Bolsonaro (33%), Ronaldo Caiado (5%), Renan Santos (4%), and Romeu Zema (3%).

• If no candidate wins more ⁠than 50% of valid votes in ⁠the first round, the two frontrunners ​advance to a runoff, which has happened in every presidential ​election since 2002.

• Lula’s approval rating fell to ‌47%, Datafolha showed, from 49% in July, while his disapproval rate rose to 50% from 48%.

• This was the first Datafolha poll released since the start of ⁠the official campaign, when candidates are legally allowed to actively seek votes.

• It was also the first Datafolha poll ⁠after Brazil’s Supreme ‌Court authorized Federal Police to investigate ⁠Lula’s eldest son on suspicion of illicit ​business ‌dealings involving the federal government.

• Senator Bolsonaro ​saw his ⁠poll numbers fall after the revelation in May that he asked a now-jailed banker to finance a film about his father.

• Datafolha surveyed 2,058 people starting on August 18.

(Reporting by Andre Romani; Editing by Chris Reese ​and Natalia Siniawski)