Datafolha poll shows Mariília Arraes leads race for Pernambuco Senate seat

Marília Arraes leads the race for one of Pernambuco's Senate seats, with Humberto Costa in second place. The Datafolha poll shows Arraes with 36% of voter intentions, followed by Costa with 24%. Many voters are undecided or plan to cast blank or null votes. The survey interviewed 1,022 people between February 2-5, 2026, with a 3% margin of error.