Partido Social Democrático (PSD)

Wikipedia describes it as centrist and a big-tent party. After the 2024 municipal elections it had the most mayors in Brazil. It is named in the market on which party holds the most Senate seats after the 2026 election.

History

Kassab created the PSD to unite dissidents of the Democrats and the Brazilian Social Democracy Party who wanted a pragmatic stance open to dialogue with the government; some Democrats accused it of being created by Lula to destroy the DEM. It has held ministries under Rousseff, Temer and Lula, and Wikipedia lists it with 48 of 513 Chamber seats and 14 of 81 Senate seats. In 2026 it chose Ronaldo Caiado as its presidential candidate.

Positions

The party presents itself as neither right, left nor centrist, stressing economic liberalism, democratic values, fiscal responsibility and individual freedom. Political scientists, per Wikipedia, class it as a big-tent party that cooperates with coalitions of left and right.

Summarised automatically from the linked sources. Wikipedia · Diário do Nordeste