Voters will choose mayors, vice mayors, and city councillors of 5,570 municipalities in the country. Party conventions to nominate candidates should take place from 20 July to 5 August.[2]
On 16 August, the electoral campaign starts. Free advertisements on radio and television begin on 30 August. According to current electoral law, the two-round system - if the most voted candidate doesn't get 50% +1 of valid votes –is only available in cities with more than 200,000 voters.[2]
In 2024, nearly 154 million people were eligible to vote –of which 20 million were not required to, according to the Superior Electoral Court, which represented a 5.4% increase from the previous municipal elections in 2020.[3]
70-year-old or older people, who were not required to vote, accounted for 15,000,000 voters, that is, 10% of total voters, the highest such figure in 16 years in Brazil.[4]
^3 were elected in the second round. On October 8, 2024, the votes cast for the candidate Professor Joziel (DC) in the election for mayor of São João de Meriti were annulled. Thus, the candidate Leo Vieira (Republicans) was considered elected in the first round.
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