# Years Size Links
ARENA 1966–1978 69.5%
MDB 1966–1978 49.6%
PCB 1945–1945 8.6%
PDC 1990–1990 3.0%
PDS 1982–1990
PDT 1982–2018 10.0%
PFL 1986–2018 17.7%
PL 1990–2002 4.3%
PMDB 1982–2018 47.8%
PPB 1994–2018 11.3%
PPR 1994–1994 9.4%
PPS 2006–2006 4.4%
PR 1958–1958 5.1%
PRB 2014–2018 5.1%
PRONA 1990–1990 8.3%
PR PL 2010–2018 7.6%
PSB 2002–2018 7.1%
PSD 2014–2018 6.1%
PSD 1945–1962 42.7%
PSDB 1990–2018 17.5%
PSL 2018–2018 11.7%
PSP 1947–1954 14.8%
PT 1986–2018 18.2%
PTB 1945–2014 16.5%
UDN 1945–1962 32.5%