Speaking to 800 delegates at the party conference in Brasilia yesterday, Rousseff said she would lead the country to a "new development cycle and increase investments to improve social, educational and health services."
Vice President Michel Temer again shares the ticket with her.
Polls have consistently shown the 66-year-old president with a strong lead over her closest challenger, Sen. Aecio Neves. The latest poll from the Brazilian Institute of Public Opinion and Statistics showed her with a 39 percent to 21 percent lead over Neves.