Dilma Rousseff is Brazil president again!

Rio De Janerio: Brazil's President Dilma Rousseff has been re-elected to a second term to lead the world's fifth-largest nation.

Official results released on Sunday by Brazil's top electoral court show that the left-leaning Rousseff beat opposition contender Aecio Neves.

With 98 per cent of the vote counted, Rousseff had won 51.5 percent of the ballots. There are not enough outstanding votes left to be counted to allow her rival to catch up with her.

Rousseff's victory extends her Workers' Party rule, which has held the presidency since 2003.

During that time, they've enacted expansive social programs that have helped pull millions of Brazilians out of poverty and into the middle class