Alfa Inteligência / TMC

Alfa Inteligência / TMC — President - Runoff

15 Oct–19 Oct 2026 · Brazil

Voting intention

Results

Sample 2,700
1 Flávio Bolsonaro
51.5%result
2 Luiz Inácio Lula da Silva
48.5%result
Fieldwork15 Oct–19 Oct 2026
PublishedOct 20, 2026

Notes

VALID VOTES ONLY (not shares of all respondents). National second-round stimulated vote. Fieldwork Oct 15-19, 2026; n=2,700; face-to-face interviews; MOE +/-1.9 pp; 95% confidence; commissioned by Alfa Inteligencia. Total respondent figures: Flavio 48.8%, Lula 45.9%, blank/null 3.5%, undecided 1.8%. Source published 2026-10-20.