General election

Senator

Source: tse.jus.br, checked Oct 12, 2026

Two-thirds renewal: 54 seats (2 per state and DF) elected 4 October 2026; new senators take office 1 February 2027.

Sources

tse.jus.br · checked Oct 12, 2026 TSE Eleicoes 2026 (first round 4 Oct 2026; run-off 25 Oct 2026); news reports of first-round result (MercoPress 2026-10-05); 2030 dates derived from Constitution Arts. 28/77, read 2026-10-12. For: Date and type of vote

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