# Years Size Links
All 1970–2018 7.7%
PUP 1979–2018 2.6%
BP 2018–2018 31.6%
BNP 1999–2018 1.9%
CUK 2019–2019 3.4%
CPGB 1920–1991 0.4%
Con 1834–2018 55.0%
CP 1846–1859 5.0%
CoPA 1917–2018 3.8%
DUP 1974–2018 0.9%
ED 2002–2018 1.8%
GP 1990–2018 3.8%
HRL 1873–1882 4.6%
ILP 1945–1945 0.6%
Lab 1900–2018 48.8%
LD 1988–2018 23.0%
Lib 1859–1988 36.1%
LUP 1886–1912 12.5%
NF 1974–1979 0.6%
NLO 1931–1947 1.6%
NLP LG 1918–1923 20.0%
NOEU 2009–2018 1.0%
NILP 1925–1987 16.1%
PO 1970–2018 5.0%
Plaid 1925–2018 0.7%
EuCon 1999–1999 1.3%
R 2004–2005 1.5%
SGP 1990–2018 8.1%
SNP 1934–2018 4.7%
SF 1905–2018 4.6%
SDLP 1974–2018 0.6%
SDP 1981–1988 11.6%
SLP 1996–2018 1.1%
Tories 1678–1834 65.0%
UKUP 1995–2008 0.2%
UKIP 1993–2018 12.7%
W 1678–1859 67.0%