|
PC
|
Constituent Party
Constituent Party
|
1881–1884
|
5.8%
|
|
|
|
AD
|
Democratic Alliance
Democratic Alliance
|
1979–1980
|
44.9%
|
|
|
|
CDSPP
|
Democratic and Social Center / People's Party
Democratic and Social Center / People's Party
|
1975–2011
|
16.8%
|
|
|
|
PD
|
Democratic Party
Democratic Party
|
1913–1925
|
65.0%
|
|
|
|
PRD
|
Democratic Renewal Party
Democratic Renewal Party
|
1985–1987
|
18.4%
|
|
|
|
BE
|
Left Bloc
Left Bloc
|
2005–2015
|
10.6%
|
|
|
|
PRL
|
Liberal Regenerator Party
Liberal Regenerator Party
|
1906–1906
|
43.9%
|
|
|
|
CM
|
Monarchist Cause
Monarchist Cause
|
1918–1922
|
23.9%
|
|
|
|
PRN
|
Nationalist Republican Party
Nationalist Republican Party
|
1925–1925
|
22.1%
|
|
|
|
PNR
|
National Republican Party
National Republican Party
|
1918–1918
|
69.7%
|
|
|
|
UN
|
National Union
National Union
|
1934–1973
|
100.0%
|
|
|
|
PPDPSD
|
Popular Democratic Party / Social Democratic Party
Popular Democratic Party / Social Democratic Party
|
1975–2015
|
51.6%
|
|
|
|
PCP
|
Portuguese Communist Party
Portuguese Communist Party
|
1975–1983
|
18.2%
|
|
|
|
PRP
|
Portuguese Republican Party
Portuguese Republican Party
|
1910–1910
|
9.0%
|
|
|
|
PP
|
Progressive Party
Progressive Party
|
1884–1910
|
77.2%
|
|
|
|
PRRN
|
Reconstitution Party / Reconstitution Party
Reconstitution Party / Reconstitution Party
|
1921–1922
|
10.4%
|
|
|
|
PR
|
Regenerator Party
Regenerator Party
|
1881–1910
|
100.0%
|
|
|
|
FRS
|
Republican and Socialist Front
Republican and Socialist Front
|
1980–1980
|
26.7%
|
|
|
|
PRE
|
Republican Evolutionist Party
Republican Evolutionist Party
|
1913–1919
|
26.8%
|
|
|
|
PLR
|
Republican Liberal Party
Republican Liberal Party
|
1921–1922
|
48.5%
|
|
|
|
PUR
|
Republican Union
Republican Union
|
1913–1919
|
23.5%
|
|
|
|
PS
|
Socialist Party
Socialist Party
|
1975–2015
|
46.4%
|
|
|
|
CDU
|
Unified Democratic Coalition
Unified Democratic Coalition
|
1987–2015
|
12.1%
|
|
|
|
APU
|
United People Alliance
United People Alliance
|
1979–1985
|
19.3%
|
|
|
