Brazil election poll Incumbent Dilma Rousseff and pro-business Aécio Neves are neck and neck ahead of the October 26 presidential ballot, according to the latest poll by Datafolha 43% Dilma Rousseff Workers Party 45% Aécio Neves Brazilian Social Democracy Party Poll of 9,081 eligible voters, Oct 14-15. Margin of error: ±2% Words 51