Nexus — President - Runoff

PUBLISHED VALID-VOTE SHARES (not all-respondent percentages): Flavio Bolsonaro 52%; Lula 48%. Original stimulated all-respondent shares: Flavio Bolsonaro 48%, Lula 45%, blank/null/neither 5%, undecided/nonresponse 2%. National phone survey; n=2,002 voters aged 16+; 10-12 Oct 2026 fieldwork; published 13 Oct; +/-2 percentage point margin of error; 95% confidence. Conducted by Nexus, commissioned by Banco BTG Pactual. TSE BR-07997/2026. Source: Nexus (pollster official site).