On January 1st Dilma Rousseff will become Brazil’s next president (our first female president!). As The Economist Magazine said: "[...] it was the poor and those in the less-developed northern regions who swung it her way. Richer and better-educated folk preferred Mr Serra, but Brazil has fewer of them." And they are not wrong.
This interactive map shows the Brazilian election results in each municipality (by Folha de São Paulo).
ps. Her victory speech analyzed by BBC here.