Brazil has had seven presidential elections since its return to democracy. In six of them, both the winner and the runner-up came from two parties: the Workers’ Party and the Brazilian Social Democracy Party (PSDB). Will 2018 be the year this duopoly ends? And if so, why?
Brazil has 35 political parties, so such a duopoly is already surprising. Especially since neither is the country’s biggest political family, a title which belongs to the Brazilian Democratic Movement party, which has never managed to hit the 10-percent mark in presidential elections. Conversely, the Workers’ Party and...