Brazil to elect 54 Senate seats in October 2026 general election

Brazil will hold a general election in October 2026. Voters will choose the president, governors, deputies and, for the first time in this cycle, 54 senators—two‑thirds of the 81‑member chamber. Each state and the Federal District elect three senators for eight‑year terms; the Senate is renewed every four years, alternating between one‑third and two‑thirds of the seats. In the 2026 vote, each elector casts two votes for Senate candidates, and the two highest‑vote‑getters in each unit win the seats; there is no runoff.

The Senate’s constitutional duties include reviewing legislation passed by the Chamber of Deputies, approving high‑level appointments such as Supreme Court justices and the central bank board, overseeing public finances, and trying officials for crimes of responsibility. The upcoming election features competitive races, notably in Amazonas where incumbents Plínio Valério (PSDB) and Eduardo Braga (MDB) face former governor Wilson Lima (União Brasil) and deputy Capitão Alberto Neto (PL) for two seats.

Commentators stress that the 2026 vote represents a pivotal moment for Brazil’s democratic maturity, urging voters to move beyond polarizing rhetoric toward substantive policy proposals on education, health, infrastructure and employment.