Brazil's runoff race grows bitter as Lula and Flavio Bolsonaro stay close
Brazil's presidential runoff on Sunday pits President Luiz Inacio Lula da Silva against far-right challenger Flavio Bolsonaro. The race is very close, and social media insults and a combative debate have raised tensions in the final stretch.
The contest follows an unexpectedly tight first round on 4 October, with Lula’s team turning to younger elected officials and online mobilisation after criticism of a slow campaign. Flavio Bolsonaro’s side has relied on young lawmakers with large social-media followings and AI-generated material aimed at left-wing events.
Both campaigns have also clashed in court: Lula’s allies alleged Meta favoured Bolsonaro and asked for his candidacy to be annulled, while Bolsonaro accused the president of misusing office through WhatsApp messaging. Meta said it had adopted measures to treat the candidates equally. Analysts cited in the report put undecided voters at 7–14%.
The close race and heated online exchanges may deepen polarisation among Brazilian voters, especially young people and social-media users exposed to competing campaigns. Court disputes over platform treatment could affect public confidence in electoral institutions and how platforms moderate political content. Undecided voters and activists may face heightened pressure in the final days, and tensions could spill into family, workplace and community discussions.