In 1990, there were elections for governor, senator, federal deputy and state deputy, according to data from Brazil's Superior Electoral Court (TSE). For governor, 11 states decided in the first round and 16 went to the runoff; counting both rounds, PFL elected the most governors (8), followed by PMDB (7) and PDT (3). For the Senate, 31 senators were elected; PMDB elected the most senators in this election (8), followed by PFL (7) and PTB (4). For federal deputy, 503 were elected; the largest caucus was that of PMDB (108), and the most votes in the country went to Miguel Arraes de Alencar (PSB-PE). For state deputy, 1,049 were elected; the largest caucus was that of PMDB (209).

G é Eleição Geral: presidente, governador, senador e deputados. L é Eleição Local (municipal): prefeito e vereador. De 1933 a 1990 o TSE não publica cargo municipal, então esses anos são todos G.