# Years Size Links
AR 1925–1934 1.1%
AUN 2006–2018 0.6%
ARM 1989–1995 1.1%
AlV 2016–2016 2.7%
APPP 1976–2018 45.2%
A 2011–2016 1.4%
BNG 1982–2018 1.3%
CUP 1991–2018 1.0%
CDS 1982–1994 9.3%
CA 1986–2018 0.4%
CCC 1914–1931 5.9%
C 2005–2018 13.9%
CC 2010–2018 2.7%
CC 1993–2018 1.1%
EDC 1973–1977 1.2%
GC 1986–2010 0.3%
CP 1982–1987 26.0%
CEDA 1933–1937 24.3%
CRS 1909–1919 10.3%
CMPM 1913–1923 25.4%
CDC 1974–2016 2.2%
CiU 1977–2015 5.1%
DLR 1930–1936 3.0%
ECP 2015–2018 3.7%
EM 2015–2018 1.6%
Equo 2011–2018 1.5%
EEM 2015–2016 2.7%
ERC 1931–2018 2.6%
EHBildu 2011–2018 0.9%
EA 1986–2018 0.7%
EE 1977–1989 0.5%
FET 1937–1977
GB 2011–2018 0.2%
HB 1978–1999 1.1%
II SP 2009–2018 1.1%
ICV 1987–2019 0.8%
ID 1881–1884 9.7%
IL 1917–1923 7.1%
IR 1934–1939 18.4%
IU 1986–2018 10.5%
LG 1899–1902 7.0%
IPR 1901–1936 3.6%
Pais 2019–2018 2.4%
NaBai 2004–2018 0.2%
PACMA 2003–2018 1.2%
PAR 1978–2018 1.4%
PCE 1921–2018 2.5%
PCPE 1984–2018 4.6%
PCD 1936–1939 4.1%
PTEUC 1985–1989 1.1%
PTE 1967–1979 1.1%
PDP 1982–1986 6.0%
PDR 1871–1880 67.7%
PUR 1903–1910 7.4%
PL 1976–1989 2.7%
PLCPC 1876–1931 60.0%
PLD 1913–1923 9.3%
LPLF 1880–1931 9.8%
PM 1834–1874
PNV 1895–2018 1.9%
PP 1834–1874 64.2%
PR 1912–1924 3.0%
PRRS 1929–1933 11.7%
PRDF 1868–1912 18.7%
PRR 1908–1936 15.9%
PSOE 1879–2018 48.3%
PSOEA 1977–2018 9.9%
PSP 1968–1978 4.5%
PA 1979–2015 1.8%
PSCPSOE 1978–2018 3.8%
PDeCAT 2016–2018 2.2%
PSUC 1936–1997 1.9%
PODEMOS 2014–2018 20.7%
RE 1933–1937 3.2%
UP 2016–2019 12.9%
UDC 1931–2017 1.7%
UC 1892–1899 20.4%
UCD 1977–1982 35.0%
UN 1977–1979 2.1%
UPE 1924–1930 100.0%
UPyD 2008–2020 4.8%
UV 1986–1999 0.7%
Vox 2013–2018 10.0%