"It's become almost cultish how people are for one candidate or the other," said the Americas Quarterly managing editor.

"There’s a real conservative movement in Brazil, and Jair Bolsonaro is its leader," said AS/COA's Brian Winter to The Washington Post.

"A culturally conservative revival of sorts has swept the country," writes AS/COA's Brian Winter in TIME.

"I've sworn off polls for the next four weeks. Their methodology is broken," said AS/COA's Brian Winter to The New York Times.

"All the big [polls] were just catastrophically wrong," said AS/COA's Brian Winter to The Wall Street Journal.

After the October 2 vote, see figures around turnout, congressional composition, and more.

The first-round vote ended with a margin much slimmer than expected between the main candidates, President Jair Bolsonaro and former President Luiz Inácio Lula da Silva.