Incumbent President Luiz Inacio Lula da Silva is seeking an unprecedented fourth term in office, facing off against Senator Flavio Bolsonaro in a tightly contested presidential race, after a close first-round election on October 4.

Voting across Brazil begins at 8am (11:00 GMT) and will close at 5pm local time (20:00 GMT), with nearly 160 million citizens eligible to vote for president.