This is a list of political parties in the United Kingdom, by their historic representation in elected bodies.
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MPs | Notes |
---|---|---|---|---|---|---|---|
Alba Party | 2021 | 2021 | N/A | N/A | 2 (2021) | Kenny MacAskill; Neale Hanvey | Split from the Scottish National Party |
All-for-Ireland League | 1909 | 1909 | 1918 | 1918 | 8 (1910) | ||
Alliance Party of Northern Ireland | 1970 | 1973 | Present | N/A | 1 (1973) | Stephen Farry; Naomi Long; Stratton Mills | |
Anti H-Block | 1981 | 1981 | 1982 | 1982 | 1 (1981) | Bobby Sands; Owen Carron | Merged into Sinn Féin |
Anti-Waste League | 1921 | 1921 | 1922 | 1922 | 2 (1921) | James Malcolm Monteith Erskine; Murray Sueter | |
Blaenau Gwent People's Voice | 2005 | 2010 | 2011 | 2011 | 1 (2010) | Peter Law, Dai Davies | |
British Socialist Party | 1911 | 1920 | 1920 | 1920 | 1 (1920) | Cecil L'Estrange Malone | Merged into the Communist Party of Great Britain |
Change UK | 2019 | 2019 | 2019 | 2019 | 11 (2019) | List | Split from the Labour and Conservative Parties in February 2019, dissolved December 2019 |
Coalition Labour | 1918 | 1918 | 1922 | 1922 | |||
Common Wealth Party | 1942 | 1942 | 1946 | 1993 | 5 (1945) | List | |
Communist Party of Great Britain | 1920 | 1920 | 1950 | 1991 | 2 (1945) | Willie Gallacher; Cecil L'Estrange Malone; Walton Newbold; Phil Piratin; Shapurji Saklatvala | |
Conservative Party | 1835 | 1835 | Present | N/A | 473 (1931) | List | |
Co-operative Party | 1917 | 1918 | Present | N/A | 38 (2017) | List | Affiliated with the Labour Party since 1927 |
Democratic Labour | 1972 | 1972 | 1974 | 1979 | 1 (1972) | Dick Taverne | |
Democratic Party | 1969 | 1969 | 1970 | 1971 | 1 (1969) | Desmond Donnelly | |
Democratic Unionist Party | 1971 | 1971 | Present | N/A | 10 (2017) | List | Formed from the Protestant Unionist Party |
Empire Free Trade Crusade | 1929 | 1930 | 1931 | 1930s | 1 (1930) | Ernest Taylor | Joint candidate with the United Empire Party |
English National Party | 1960s | 1976 | 1976 | 1980 | 1 (1976) | John Stonehouse | |
Federation of Labour | 1944 | 1945 | 1949 | 1949 | 1 (1945) | Jack Beattie | Merged into the Irish Labour Party |
Green Party of England and Wales | 1973 | 1992 | Present | N/A | 1 (1992) | Cynog Dafis; Caroline Lucas | Dafis was a joint candidate with Plaid Cymru |
Crofters Party | 1880s | 1885 | 1895 | 1890s | 4 (1885) | Gavin Brown Clark; Charles Fraser-Mackintosh; Roderick MacDonald; Donald Horne Macfarlane | |
Independent Irish Party | 1852 | 1852 | 1858 | 1858 | 40 (1852) | Split from the Liberal Party | |
Independent Kidderminster Hospital and Health Concern | 2000 | 2001 | 2010 | N/A | 1 (2001) | Richard Taylor | |
Independent Liberals | 1931 | 1931 | 1935 | 1935 | 5 (1931) | David Lloyd George; Gwilym Lloyd George; Megan Lloyd George; Frank Owen; Goronwy Owen | Not a separate party per se; its members were official Liberal Party candidates who rejected the National Government. |
Independent Labour Party | 1893 | 1893 | 1947 | 1975 | Affiliated with the Labour Party from 1900 until 1931 | ||
Independent Parliamentary Group | 1920 | 1920 | 1921 | 1921 | |||
Irish Confederate Party | 1847 | 1847 | 1848 | 1848 | 2 (1847) | Thomas Chisholm Anstey; William Smith O'Brien | |
Irish Labour Party | 1912 | 1949 | 1955 | N/A | 1 (1949) | Jack Beattie | |
Labour Independent Group | 1949 | 1949 | 1950 | 1950 | 5 (1949) | Lester Hutchinson; John Platts-Mills; Denis Nowell Pritt; Leslie Solley; Konni Zilliacus | |
Labour Party | 1906 | 1906 | Present | N/A | 418 (1997) | List | Formed from the Labour Representation Committee |
Labour Representation Committee | 1900 | 1900 | 1906 | 1906 | 29 (1906) | List | Became the Labour Party |
Liberal Democrats | 1988 | 1988 | Present | N/A | 62 (2005) | List | Merger of the Liberal Party and the Social Democratic Party |
Liberal Party | 1859 | 1859 | 1988 | 1988 | 397 (1906) | List | Merged into the Liberal Democrats |
Liberal Unionist Party | 1886 | 1886 | 1912 | 1912 | 77 (1886) | List | Split from the Liberal Party; merged into the Conservative Party |
Mebyon Kernow | 1951 | 1964 | 1970 | N/A | 2 (1964) | Peter Bessell, John Pardoe, David Mudd | multi party membership |
National Association of Discharged Sailors and Soldiers | 1916 | 1918 | 1921 | 1921 | 1 (1918) | Robert Hewitt Barker | Semi-official candidate, sponsored by local branch of organisation |
National Democratic and Labour Party | 1918 | 1918 | 1922 | 1923 | 9 (1918) | ||
National Party | 1917 | 1917 | 1921 | 1921 | 8 (1917) | ||
Nationalist Party (Ireland) | 1870 | 1870 | 1955 | 1977 | 86 (1885) | List | |
National Labour | 1931 | 1931 | 1945 | 1945 | 14 (1931) | List | |
National Liberal Party | 1931 | 1931 | 1968 | 1968 | 55 (1950) | List | Affiliated with the Conservative Party from 1947 |
National Socialist Party | 1916 | 1918 | 1919 | 1919 | 3 (1918) | Dan Irving; Jack Jones; Will Thorne | Affiliated with the Labour Party |
New Party | 1930 | 1930 | 1931 | 1932 | 6 (1931) | Oliver Baldwin; W. J. Brown; Robert Forgan; Cynthia Mosley; Oswald Mosley; John Strachey | Baldwin and Brown held membership for a single day |
Nordic League | 1935 | 1935 | 1939 | 1939 | 1 (1935) | Archibald Maule Ramsay | |
Northern Ireland Labour Party | 1924 | 1943 | 1943 | 1987 | 1 (1943) | Jack Beattie | |
Plaid Cymru | 1925 | 1966 | Present | N/A | 4 (1992) | List | |
Protestant Unionist Party | 1966 | 1970 | 1971 | 1971 | 1 (1970) | Ian Paisley | Became the Democratic Unionist Party |
Referendum Party | 1994 | 1997 | 1997 | 1997 | 1 (1997) | George Gardiner | |
Republican Labour Party | 1964 | 1966 | 1970 | 1973 | 1 (1970) | Gerry Fitt | |
Reclaim Party | 2020 | 2023 | 2023 | N/A | 1 (2023) | Andrew Bridgen | |
Reform League | 1865 | 1865 | 1869 | 1869 | 6 (1865) | George Howell (trade unionist), Sir Wilfrid Lawson, 2nd Baronet, of Brayton, Peter Alfred Taylor, Samuel Morley (MP), Charles Bradlaugh, John Bright | |
Reform UK | 2018 | 2024 | N/A | N/A | 1 (2024) | Lee Anderson | Founded as the Brexit Party |
Respect Party | 2004 | 2005 | 2015 | 2016 | 1 (2005) | George Galloway | |
Russellite Unionist | 1904 | 1904 | 1910 | 1910 | 3 (1904) | Sir Thomas Russell, 1st Baronet, James Wood, Edward Mitchell, Robert Glendinning | |
Scotland United | 2023 | 2023 | Present | N/A | 3 (2023) | Kenny MacAskill; Neale Hanvey; Angus MacNeil | Political Grouping |
Scottish Labour Party (1888) | 1888 | 1888 | 1892 | 1893 | 1 (1888) | Robert Cunninghame-Graham | Merged into the Independent Labour Party |
Scottish Labour Party (1976) | 1976 | 1976 | 1979 | 1979 | 2 (1976) | John Robertson; Jim Sillars | Split from the Labour Party |
Scottish National Party | 1934 | 1945 | Present | N/A | 56 (2015) | List | |
Scottish Prohibition Party | 1901 | 1922 | 1931 | 1935 | 1 (1922) | Edwin Scrymgeour | |
Sinn Féin | 1905 | 1917 | Present | N/A | 73 (1918) | List | Sinn Féin MPs do not take their seats |
Social Democratic Party | 1981 | 1981 | 1988 | 1988 | 29 (1982) | List | Merged into the Liberal Democrats |
Social Democratic Party (1988) | 1988 | 1988 | 1990 | 1990 | 29 (1982) | Rosie Barnes, John Cartwright, David Owen | Formed by Social Democratic Party members who did not join the Liberal Democrats |
Social Democratic and Labour Party | 1970 | 1970 | Present | N/A | 4 (1992) | List | |
UK Unionist Party | 1995 | 1995 | 2001 | 2008 | 1 (1995) | Robert McCartney | |
Ulster Popular Unionist Party | 1980 | 1980 | 1995 | 1995 | 1 (1980) | James Kilfedder | |
Ulster Unionist Labour Association | 1918 | 1918 | 1922 | N/A | 3 (1918) | Thomas Henry Burn; Thompson Donald; Samuel McGuffin | Linked with the Ulster Unionist Party |
Ulster Unionist Party | 1905 | 1905 | 2017 | N/A | 20 (1918) | List | At times affiliated to the Conservative Party |
United Empire Party | 1920s | 1930 | 1931 | 1930s | 1 (1930) | Ernest Taylor | Joint candidate with the Empire Free Trade Crusade |
United Ulster Unionist Party | 1975 | 1975 | 1982 | 1982 | 1 (1975) | John Dunlop | Split from the Vanguard Unionist Progressive Party |
UK Independence Party | 1993 | 2008 | 2017 | N/A | 2 (2014) | Douglas Carswell; Mark Reckless | |
Unity | 1960s | 1969 | 1974 | 1977 | 2 (1970) | Bernadette Devlin; Frank McManus | |
Vanguard Unionist Progressive Party | 1973 | 1973 | 1978 | 1978 | 3 (1974) | Robert Bradford; William Craig; John Dunlop | Split from and later merged into the Ulster Unionist Party |
Workers Party of Britain | 2019 | 2024 | N/A | N/A | 1 ( 2024) | George Galloway | |
Repeal Association | 1830 | 1832 | 1847 | 1848 | 42 (1832) | Also Known as the Irish Repeal Party | |
Home Rule League | 1873 | 1874 | 1880 | 1882 | 59 (1874) | Became the Irish Parliamentary Party | |
Liberal–Labour | 1870 | 1874 | 1918 | 1918 | |||
Independent Conservative | 1911 | 1911 | N/A | N/A | |||
Independent Nationalist | 1880 | 1880 | 1955 | N/A | N/A | Not a Political Party but a Description for Irish Nationalist who are not affiliated with a Political Party same meaning as the Description used in the Northern Ireland Assembly today | |
Chartist | 1838 | 1847 | 1852 | 1857 | 1 (1847) | ||
Birkenhead Social Justice | 2019 | 2019 | 2019 | 2019 | 1 (2019) | ||
The Independents (UK) | 2019 | 2019 | 2019 | 2019 | 5 (2019) | Gavin Shuker, John Woodcock, Luciana Berger, Angela Smith, Heidi Allen | |
Scottish Socialist Party (1932) | 1932 | 1932 | 1940 | 1940 | 2 (1932) | Neil Maclean, Thomas Johnston | |
Ministerialist | 1768 | 1768 | 1774 | 1774 | 225 (1766) | Lord North | |
Northite | 1774 | 1774 | 1784 | 1784 | 396 (1780) | ||
Rockingham Whigs | 1765 | 1768 | 1784 | 1784 | 254 (1780) | William Dowdeswell, Henry Seymour Conway | |
Grenville Whigs | 1740 | 1765 | 1774 | 1774 | 41 (1768) | George Grenville | |
Bedford Whigs | 1751 | 1751 | 1774 | 1783 | 23 (1751) | ||
Radicals | 1750 | 1768 | 1857 | 1859 | 15 (1852) |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | AMs | Notes |
---|---|---|---|---|---|---|---|
Brexit Alliance | 2018 | 2018 | 2021 | 2021 | 2 (2018) | Peter Whittle, David Kurten | |
British National Party | 1982 | 2008 | 2010 | N/A | 1 (2008) | Richard Barnbrook | Was expelled from party in first term |
Conservative and Unionist Party | 1835 | 2000 | N/A | N/A | 11 (2008) | ||
London Green Party | 1990 | 2000 | N/A | N/A | 3 (2000) | ||
Heritage Party | 2020 | 2020 | 2021 | N/A | 1 (2020) | David Kurten | |
Labour and Co-Operative Party | 1909 | 2000 | N/A | N/A | 12 (2012) | ||
Liberal Democrats | 1988 | 2000 | N/A | N/A | 5 (2004) | ||
One London | 2005 | 2005 | 2008 | 2008 | 2 (2005) | Damian Hockney, Peter Hulme-Cross | |
UK Independence Party | 1993 | 2004 | 2020 | N/A | 2 (2004) | Damian Hockney, Peter Hulme-Cross, Peter Whittle, David Kurten | |
Veritas | 2005 | 2005 | 2005 | 2015 | 2 (2005) | Damian Hockney, Peter Hulme-Cross | Briefly before Forming One London |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MSPs | Notes |
---|---|---|---|---|---|---|---|
Alba Party | 2021 | 2023 | N/A | N/A | 1 (2023) | Ash Regan | |
Save Stobhill Hospital | 2001 | 2003 | 2007 | N/A | 1 (2003) | Jean Turner | |
MSP for Falkirk West | 1999 | 1999 | 2007 | N/A | 1 (1999) | Dennis Canavan | |
Scottish Conservative and Unionist Party | 1965 | 1999 | Present | N/A | 31 (2016) | ||
Scottish Green Party | 1990 | 1999 | Present | N/A | 8 (2021) | ||
Scottish Labour Party | 1909 | 1999 | Present | N/A | 56 (1999) | ||
Scottish Liberal Democrats | 1988 | 1999 | Present | N/A | 17 (1999) | ||
Scottish National Party | 1934 | 1999 | Present | N/A | 69 (2011) | ||
Scottish Senior Citizens Unity Party | 2003 | 2003 | 2007 | N/A | 1 (2003) | John Swinburne | |
Scottish Socialist Party | 1998 | 1999 | 2007 | N/A | 6 (2003) | ||
Solidarity | 2006 | 2006 | 2007 | N/A | 2 (2006) | Rosemary Byrne; Tommy Sheridan | Split from the Scottish Socialist Party |
RISE – Scotland's Left Alliance | 2015 | 2015 | 2016 | N/A | 1 (2016) | Jean Urquhart | Split from the Scottish National Party |
Reform Scotland | 2021 | 2021 | 2021 | N/A | 1 (2021) | Michelle Ballantyne | Split from the Scottish Conservative and Unionist Party |
Scottish Peoples' Alliance | 2003 | 2003 | 2003 | 2010 | 2 (2003) | Lyndsay McIntosh, Keith Harding | Briefly defected after being ranked down in the list, lost their seats. |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | AMs/MSs | Notes |
---|---|---|---|---|---|---|---|
John Marek Independent Party/ Forward Wales | 2003 | 2003 | 2007 | 2003 (John Marek Independent Party)/2010 (Forward Wales) | 1 (2003) | John Marek | |
Plaid Cymru | 1925 | 1999 | Present | N/A | 17 (1999) | ||
United Kingdom Independence Party | 1993 | 2016 | 2021 | 2021 | 7 (2016) | ||
Wales Labour Party | 1947 | 1999 | Present | N/A | 30 (2003) | ||
Welsh Conservative Party | 1921 | 1999 | Present | N/A | 13 (2009) | ||
Welsh Liberal Democrats | 1988 | 1999 | Present | N/A | 6 (1999) | ||
Propel | 2020 | 2021 | 2021 | N/A | 1 (2020) | Neil McEvoy | Spilt from the Plaid Cyrmu; the party gained four councillors a month after the party's formation |
Blaenau Gwent People's Voice | 2005 | 2010 | 2011 | 1 (2010) | Peter Law, Dai Davies | ||
Abolish the Welsh Assembly Party | 2015 | 2020 | 2021 | N/A | 2 (2020) | Gareth Bennett; Mark Reckless | Prior to Bennett's joining the party, the party's got its first councillor, who defected from the Welsh Conservative Party, a month earlier. Later that year, Reckless, the former leader, of the Brexit Party of Wales, joined the party, |
Independent Alliance for Reform | 2020 | 2020 | 2021 | 2021 | 3 (2020) | Caroline Jones, David Rowlands, Mandy Jones | |
Brexit Party | 2018 | 2018 | 2020 | N/A | 4 (2020) | Caroline Jones, David Rowlands, Mandy Jones, Mark Reckless |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MEPs | Notes |
---|---|---|---|---|---|---|---|
Alliance Party of Northern Ireland | 1970 | 2019 | 2020 | N/A | 1 (2019) | Naomi Long | |
British Democratic Party | 2013 | 2013 | 2014 | N/A | 1 (2013) | Andrew Brons | |
British National Party | 1982 | 2009 | 2014 | N/A | 2 (2009) | Andrew Brons; Nick Griffin | |
Brexit Party | 2019 | 2019 | 2020 | N/A | 23 (2019) | List | |
Change UK – The Independent Group | 2019 | 2019 | 2019 | N/A | 1 (2019) | List | |
Conservative Party | 1835 | 1979 | 2020 | N/A | 60 (1979) | ||
Democratic Unionist Party | 1971 | 1979 | 2020 | N/A | 1 (1979) | Jim Allister; Diane Dodds; Ian Paisley | |
Gibraltar Socialist Labour Party | 1978 | 1999 | 2009 | N/A | 1 (1999) | Glyn Ford | Joint List |
Green Party of England and Wales | 1973 | 1999 | 2020 | N/A | 3 (2014) | Jean Lambert; Caroline Lucas; Keith Taylor; Molly Scott Cato | |
Independent Labour Network | 1999 | 1999 | 1999 | 2003 | 1 (1999) | Ken Coates | Split from the Labour Party |
Labour Party | 1906 | 1979 | 2020 | N/A | 62 (1994) | ||
Liberal Democrats | 1988 | 1994 | 2020 | N/A | 12 (2004) | ||
Libertarian Party | 2007 | 2018 | 2019 | N/A | 1 (2019) | Bill Etheridge | The briefly got first representative in October 2018, but soon their representative later joined the Brexit Party in February 2019. |
Plaid Cymru | 1925 | 1999 | 2020 | N/A | 2 (1999) | Jillian Evans; Eurig Wyn | |
Pro-Euro Conservative Party | 1999 | 1999 | 1999 | 2001 | 2 (1999) | Brendan Donnelly; John Stevens | Split from the Conservative Party |
Scottish National Party | 1934 | 1979 | 2020 | N/A | 2 (1994) | Winifred Ewing; Ian Hudghton; Allan Macartney; Neil MacCormick; Alyn Smith | |
Scottish Socialist Party | 1998 | 1998 | 1999 | N/A | 1 (1998) | Hugh Kerr | |
Sinn Féin | 1905 | 2004 | 2020 | N/A | 1 (2004) | Bairbre de Brún; Martina Anderson | Also had an MEP elected in the Republic of Ireland |
Social Democratic and Labour Party | 1970 | 1979 | 2004 | N/A | 1 (1979) | John Hume | |
Social Democratic Party | 1981 | 1984 | 1984 | 1988 | 1 (1984) | Michael Gallagher | |
Social Democratic Party (1990-present) | 1990 | 2018 | 2019 | N/A | 1 (2018) | Patrick O'Flynn | This is the second continuation and current incarnation of the original Social Democratic Party |
Thurrock Independents | 2018 | 2018 | 2019 | N/A | 1 (2018) | Tim Aker | |
Traditional Unionist Voice | 2007 | 2007 | 2009 | N/A | 1 (2007) | Jim Allister | |
United Kingdom Independence Party | 1993 | 1999 | 2019 | N/A | 24 (2014) | ||
Ulster Unionist Party | 1905 | 1979 | 2019 | N/A | 1 (1979) | Jim Nicholson; John Taylor | |
Veritas | 2005 | 2005 | 2005 | 2015 | 1 (2005) | Robert Kilroy-Silk | Split from the United Kingdom Independence Party; merged into the English Democrats |
This is a list of political parties in the United Kingdom, by their historic representation in elected bodies.
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MPs | Notes |
---|---|---|---|---|---|---|---|
Alba Party | 2021 | 2021 | N/A | N/A | 2 (2021) | Kenny MacAskill; Neale Hanvey | Split from the Scottish National Party |
All-for-Ireland League | 1909 | 1909 | 1918 | 1918 | 8 (1910) | ||
Alliance Party of Northern Ireland | 1970 | 1973 | Present | N/A | 1 (1973) | Stephen Farry; Naomi Long; Stratton Mills | |
Anti H-Block | 1981 | 1981 | 1982 | 1982 | 1 (1981) | Bobby Sands; Owen Carron | Merged into Sinn Féin |
Anti-Waste League | 1921 | 1921 | 1922 | 1922 | 2 (1921) | James Malcolm Monteith Erskine; Murray Sueter | |
Blaenau Gwent People's Voice | 2005 | 2010 | 2011 | 2011 | 1 (2010) | Peter Law, Dai Davies | |
British Socialist Party | 1911 | 1920 | 1920 | 1920 | 1 (1920) | Cecil L'Estrange Malone | Merged into the Communist Party of Great Britain |
Change UK | 2019 | 2019 | 2019 | 2019 | 11 (2019) | List | Split from the Labour and Conservative Parties in February 2019, dissolved December 2019 |
Coalition Labour | 1918 | 1918 | 1922 | 1922 | |||
Common Wealth Party | 1942 | 1942 | 1946 | 1993 | 5 (1945) | List | |
Communist Party of Great Britain | 1920 | 1920 | 1950 | 1991 | 2 (1945) | Willie Gallacher; Cecil L'Estrange Malone; Walton Newbold; Phil Piratin; Shapurji Saklatvala | |
Conservative Party | 1835 | 1835 | Present | N/A | 473 (1931) | List | |
Co-operative Party | 1917 | 1918 | Present | N/A | 38 (2017) | List | Affiliated with the Labour Party since 1927 |
Democratic Labour | 1972 | 1972 | 1974 | 1979 | 1 (1972) | Dick Taverne | |
Democratic Party | 1969 | 1969 | 1970 | 1971 | 1 (1969) | Desmond Donnelly | |
Democratic Unionist Party | 1971 | 1971 | Present | N/A | 10 (2017) | List | Formed from the Protestant Unionist Party |
Empire Free Trade Crusade | 1929 | 1930 | 1931 | 1930s | 1 (1930) | Ernest Taylor | Joint candidate with the United Empire Party |
English National Party | 1960s | 1976 | 1976 | 1980 | 1 (1976) | John Stonehouse | |
Federation of Labour | 1944 | 1945 | 1949 | 1949 | 1 (1945) | Jack Beattie | Merged into the Irish Labour Party |
Green Party of England and Wales | 1973 | 1992 | Present | N/A | 1 (1992) | Cynog Dafis; Caroline Lucas | Dafis was a joint candidate with Plaid Cymru |
Crofters Party | 1880s | 1885 | 1895 | 1890s | 4 (1885) | Gavin Brown Clark; Charles Fraser-Mackintosh; Roderick MacDonald; Donald Horne Macfarlane | |
Independent Irish Party | 1852 | 1852 | 1858 | 1858 | 40 (1852) | Split from the Liberal Party | |
Independent Kidderminster Hospital and Health Concern | 2000 | 2001 | 2010 | N/A | 1 (2001) | Richard Taylor | |
Independent Liberals | 1931 | 1931 | 1935 | 1935 | 5 (1931) | David Lloyd George; Gwilym Lloyd George; Megan Lloyd George; Frank Owen; Goronwy Owen | Not a separate party per se; its members were official Liberal Party candidates who rejected the National Government. |
Independent Labour Party | 1893 | 1893 | 1947 | 1975 | Affiliated with the Labour Party from 1900 until 1931 | ||
Independent Parliamentary Group | 1920 | 1920 | 1921 | 1921 | |||
Irish Confederate Party | 1847 | 1847 | 1848 | 1848 | 2 (1847) | Thomas Chisholm Anstey; William Smith O'Brien | |
Irish Labour Party | 1912 | 1949 | 1955 | N/A | 1 (1949) | Jack Beattie | |
Labour Independent Group | 1949 | 1949 | 1950 | 1950 | 5 (1949) | Lester Hutchinson; John Platts-Mills; Denis Nowell Pritt; Leslie Solley; Konni Zilliacus | |
Labour Party | 1906 | 1906 | Present | N/A | 418 (1997) | List | Formed from the Labour Representation Committee |
Labour Representation Committee | 1900 | 1900 | 1906 | 1906 | 29 (1906) | List | Became the Labour Party |
Liberal Democrats | 1988 | 1988 | Present | N/A | 62 (2005) | List | Merger of the Liberal Party and the Social Democratic Party |
Liberal Party | 1859 | 1859 | 1988 | 1988 | 397 (1906) | List | Merged into the Liberal Democrats |
Liberal Unionist Party | 1886 | 1886 | 1912 | 1912 | 77 (1886) | List | Split from the Liberal Party; merged into the Conservative Party |
Mebyon Kernow | 1951 | 1964 | 1970 | N/A | 2 (1964) | Peter Bessell, John Pardoe, David Mudd | multi party membership |
National Association of Discharged Sailors and Soldiers | 1916 | 1918 | 1921 | 1921 | 1 (1918) | Robert Hewitt Barker | Semi-official candidate, sponsored by local branch of organisation |
National Democratic and Labour Party | 1918 | 1918 | 1922 | 1923 | 9 (1918) | ||
National Party | 1917 | 1917 | 1921 | 1921 | 8 (1917) | ||
Nationalist Party (Ireland) | 1870 | 1870 | 1955 | 1977 | 86 (1885) | List | |
National Labour | 1931 | 1931 | 1945 | 1945 | 14 (1931) | List | |
National Liberal Party | 1931 | 1931 | 1968 | 1968 | 55 (1950) | List | Affiliated with the Conservative Party from 1947 |
National Socialist Party | 1916 | 1918 | 1919 | 1919 | 3 (1918) | Dan Irving; Jack Jones; Will Thorne | Affiliated with the Labour Party |
New Party | 1930 | 1930 | 1931 | 1932 | 6 (1931) | Oliver Baldwin; W. J. Brown; Robert Forgan; Cynthia Mosley; Oswald Mosley; John Strachey | Baldwin and Brown held membership for a single day |
Nordic League | 1935 | 1935 | 1939 | 1939 | 1 (1935) | Archibald Maule Ramsay | |
Northern Ireland Labour Party | 1924 | 1943 | 1943 | 1987 | 1 (1943) | Jack Beattie | |
Plaid Cymru | 1925 | 1966 | Present | N/A | 4 (1992) | List | |
Protestant Unionist Party | 1966 | 1970 | 1971 | 1971 | 1 (1970) | Ian Paisley | Became the Democratic Unionist Party |
Referendum Party | 1994 | 1997 | 1997 | 1997 | 1 (1997) | George Gardiner | |
Republican Labour Party | 1964 | 1966 | 1970 | 1973 | 1 (1970) | Gerry Fitt | |
Reclaim Party | 2020 | 2023 | 2023 | N/A | 1 (2023) | Andrew Bridgen | |
Reform League | 1865 | 1865 | 1869 | 1869 | 6 (1865) | George Howell (trade unionist), Sir Wilfrid Lawson, 2nd Baronet, of Brayton, Peter Alfred Taylor, Samuel Morley (MP), Charles Bradlaugh, John Bright | |
Reform UK | 2018 | 2024 | N/A | N/A | 1 (2024) | Lee Anderson | Founded as the Brexit Party |
Respect Party | 2004 | 2005 | 2015 | 2016 | 1 (2005) | George Galloway | |
Russellite Unionist | 1904 | 1904 | 1910 | 1910 | 3 (1904) | Sir Thomas Russell, 1st Baronet, James Wood, Edward Mitchell, Robert Glendinning | |
Scotland United | 2023 | 2023 | Present | N/A | 3 (2023) | Kenny MacAskill; Neale Hanvey; Angus MacNeil | Political Grouping |
Scottish Labour Party (1888) | 1888 | 1888 | 1892 | 1893 | 1 (1888) | Robert Cunninghame-Graham | Merged into the Independent Labour Party |
Scottish Labour Party (1976) | 1976 | 1976 | 1979 | 1979 | 2 (1976) | John Robertson; Jim Sillars | Split from the Labour Party |
Scottish National Party | 1934 | 1945 | Present | N/A | 56 (2015) | List | |
Scottish Prohibition Party | 1901 | 1922 | 1931 | 1935 | 1 (1922) | Edwin Scrymgeour | |
Sinn Féin | 1905 | 1917 | Present | N/A | 73 (1918) | List | Sinn Féin MPs do not take their seats |
Social Democratic Party | 1981 | 1981 | 1988 | 1988 | 29 (1982) | List | Merged into the Liberal Democrats |
Social Democratic Party (1988) | 1988 | 1988 | 1990 | 1990 | 29 (1982) | Rosie Barnes, John Cartwright, David Owen | Formed by Social Democratic Party members who did not join the Liberal Democrats |
Social Democratic and Labour Party | 1970 | 1970 | Present | N/A | 4 (1992) | List | |
UK Unionist Party | 1995 | 1995 | 2001 | 2008 | 1 (1995) | Robert McCartney | |
Ulster Popular Unionist Party | 1980 | 1980 | 1995 | 1995 | 1 (1980) | James Kilfedder | |
Ulster Unionist Labour Association | 1918 | 1918 | 1922 | N/A | 3 (1918) | Thomas Henry Burn; Thompson Donald; Samuel McGuffin | Linked with the Ulster Unionist Party |
Ulster Unionist Party | 1905 | 1905 | 2017 | N/A | 20 (1918) | List | At times affiliated to the Conservative Party |
United Empire Party | 1920s | 1930 | 1931 | 1930s | 1 (1930) | Ernest Taylor | Joint candidate with the Empire Free Trade Crusade |
United Ulster Unionist Party | 1975 | 1975 | 1982 | 1982 | 1 (1975) | John Dunlop | Split from the Vanguard Unionist Progressive Party |
UK Independence Party | 1993 | 2008 | 2017 | N/A | 2 (2014) | Douglas Carswell; Mark Reckless | |
Unity | 1960s | 1969 | 1974 | 1977 | 2 (1970) | Bernadette Devlin; Frank McManus | |
Vanguard Unionist Progressive Party | 1973 | 1973 | 1978 | 1978 | 3 (1974) | Robert Bradford; William Craig; John Dunlop | Split from and later merged into the Ulster Unionist Party |
Workers Party of Britain | 2019 | 2024 | N/A | N/A | 1 ( 2024) | George Galloway | |
Repeal Association | 1830 | 1832 | 1847 | 1848 | 42 (1832) | Also Known as the Irish Repeal Party | |
Home Rule League | 1873 | 1874 | 1880 | 1882 | 59 (1874) | Became the Irish Parliamentary Party | |
Liberal–Labour | 1870 | 1874 | 1918 | 1918 | |||
Independent Conservative | 1911 | 1911 | N/A | N/A | |||
Independent Nationalist | 1880 | 1880 | 1955 | N/A | N/A | Not a Political Party but a Description for Irish Nationalist who are not affiliated with a Political Party same meaning as the Description used in the Northern Ireland Assembly today | |
Chartist | 1838 | 1847 | 1852 | 1857 | 1 (1847) | ||
Birkenhead Social Justice | 2019 | 2019 | 2019 | 2019 | 1 (2019) | ||
The Independents (UK) | 2019 | 2019 | 2019 | 2019 | 5 (2019) | Gavin Shuker, John Woodcock, Luciana Berger, Angela Smith, Heidi Allen | |
Scottish Socialist Party (1932) | 1932 | 1932 | 1940 | 1940 | 2 (1932) | Neil Maclean, Thomas Johnston | |
Ministerialist | 1768 | 1768 | 1774 | 1774 | 225 (1766) | Lord North | |
Northite | 1774 | 1774 | 1784 | 1784 | 396 (1780) | ||
Rockingham Whigs | 1765 | 1768 | 1784 | 1784 | 254 (1780) | William Dowdeswell, Henry Seymour Conway | |
Grenville Whigs | 1740 | 1765 | 1774 | 1774 | 41 (1768) | George Grenville | |
Bedford Whigs | 1751 | 1751 | 1774 | 1783 | 23 (1751) | ||
Radicals | 1750 | 1768 | 1857 | 1859 | 15 (1852) |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | AMs | Notes |
---|---|---|---|---|---|---|---|
Brexit Alliance | 2018 | 2018 | 2021 | 2021 | 2 (2018) | Peter Whittle, David Kurten | |
British National Party | 1982 | 2008 | 2010 | N/A | 1 (2008) | Richard Barnbrook | Was expelled from party in first term |
Conservative and Unionist Party | 1835 | 2000 | N/A | N/A | 11 (2008) | ||
London Green Party | 1990 | 2000 | N/A | N/A | 3 (2000) | ||
Heritage Party | 2020 | 2020 | 2021 | N/A | 1 (2020) | David Kurten | |
Labour and Co-Operative Party | 1909 | 2000 | N/A | N/A | 12 (2012) | ||
Liberal Democrats | 1988 | 2000 | N/A | N/A | 5 (2004) | ||
One London | 2005 | 2005 | 2008 | 2008 | 2 (2005) | Damian Hockney, Peter Hulme-Cross | |
UK Independence Party | 1993 | 2004 | 2020 | N/A | 2 (2004) | Damian Hockney, Peter Hulme-Cross, Peter Whittle, David Kurten | |
Veritas | 2005 | 2005 | 2005 | 2015 | 2 (2005) | Damian Hockney, Peter Hulme-Cross | Briefly before Forming One London |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MSPs | Notes |
---|---|---|---|---|---|---|---|
Alba Party | 2021 | 2023 | N/A | N/A | 1 (2023) | Ash Regan | |
Save Stobhill Hospital | 2001 | 2003 | 2007 | N/A | 1 (2003) | Jean Turner | |
MSP for Falkirk West | 1999 | 1999 | 2007 | N/A | 1 (1999) | Dennis Canavan | |
Scottish Conservative and Unionist Party | 1965 | 1999 | Present | N/A | 31 (2016) | ||
Scottish Green Party | 1990 | 1999 | Present | N/A | 8 (2021) | ||
Scottish Labour Party | 1909 | 1999 | Present | N/A | 56 (1999) | ||
Scottish Liberal Democrats | 1988 | 1999 | Present | N/A | 17 (1999) | ||
Scottish National Party | 1934 | 1999 | Present | N/A | 69 (2011) | ||
Scottish Senior Citizens Unity Party | 2003 | 2003 | 2007 | N/A | 1 (2003) | John Swinburne | |
Scottish Socialist Party | 1998 | 1999 | 2007 | N/A | 6 (2003) | ||
Solidarity | 2006 | 2006 | 2007 | N/A | 2 (2006) | Rosemary Byrne; Tommy Sheridan | Split from the Scottish Socialist Party |
RISE – Scotland's Left Alliance | 2015 | 2015 | 2016 | N/A | 1 (2016) | Jean Urquhart | Split from the Scottish National Party |
Reform Scotland | 2021 | 2021 | 2021 | N/A | 1 (2021) | Michelle Ballantyne | Split from the Scottish Conservative and Unionist Party |
Scottish Peoples' Alliance | 2003 | 2003 | 2003 | 2010 | 2 (2003) | Lyndsay McIntosh, Keith Harding | Briefly defected after being ranked down in the list, lost their seats. |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | AMs/MSs | Notes |
---|---|---|---|---|---|---|---|
John Marek Independent Party/ Forward Wales | 2003 | 2003 | 2007 | 2003 (John Marek Independent Party)/2010 (Forward Wales) | 1 (2003) | John Marek | |
Plaid Cymru | 1925 | 1999 | Present | N/A | 17 (1999) | ||
United Kingdom Independence Party | 1993 | 2016 | 2021 | 2021 | 7 (2016) | ||
Wales Labour Party | 1947 | 1999 | Present | N/A | 30 (2003) | ||
Welsh Conservative Party | 1921 | 1999 | Present | N/A | 13 (2009) | ||
Welsh Liberal Democrats | 1988 | 1999 | Present | N/A | 6 (1999) | ||
Propel | 2020 | 2021 | 2021 | N/A | 1 (2020) | Neil McEvoy | Spilt from the Plaid Cyrmu; the party gained four councillors a month after the party's formation |
Blaenau Gwent People's Voice | 2005 | 2010 | 2011 | 1 (2010) | Peter Law, Dai Davies | ||
Abolish the Welsh Assembly Party | 2015 | 2020 | 2021 | N/A | 2 (2020) | Gareth Bennett; Mark Reckless | Prior to Bennett's joining the party, the party's got its first councillor, who defected from the Welsh Conservative Party, a month earlier. Later that year, Reckless, the former leader, of the Brexit Party of Wales, joined the party, |
Independent Alliance for Reform | 2020 | 2020 | 2021 | 2021 | 3 (2020) | Caroline Jones, David Rowlands, Mandy Jones | |
Brexit Party | 2018 | 2018 | 2020 | N/A | 4 (2020) | Caroline Jones, David Rowlands, Mandy Jones, Mark Reckless |
Party | Founded | First represented | Last represented | Dissolved | Maximum representation | MEPs | Notes |
---|---|---|---|---|---|---|---|
Alliance Party of Northern Ireland | 1970 | 2019 | 2020 | N/A | 1 (2019) | Naomi Long | |
British Democratic Party | 2013 | 2013 | 2014 | N/A | 1 (2013) | Andrew Brons | |
British National Party | 1982 | 2009 | 2014 | N/A | 2 (2009) | Andrew Brons; Nick Griffin | |
Brexit Party | 2019 | 2019 | 2020 | N/A | 23 (2019) | List | |
Change UK – The Independent Group | 2019 | 2019 | 2019 | N/A | 1 (2019) | List | |
Conservative Party | 1835 | 1979 | 2020 | N/A | 60 (1979) | ||
Democratic Unionist Party | 1971 | 1979 | 2020 | N/A | 1 (1979) | Jim Allister; Diane Dodds; Ian Paisley | |
Gibraltar Socialist Labour Party | 1978 | 1999 | 2009 | N/A | 1 (1999) | Glyn Ford | Joint List |
Green Party of England and Wales | 1973 | 1999 | 2020 | N/A | 3 (2014) | Jean Lambert; Caroline Lucas; Keith Taylor; Molly Scott Cato | |
Independent Labour Network | 1999 | 1999 | 1999 | 2003 | 1 (1999) | Ken Coates | Split from the Labour Party |
Labour Party | 1906 | 1979 | 2020 | N/A | 62 (1994) | ||
Liberal Democrats | 1988 | 1994 | 2020 | N/A | 12 (2004) | ||
Libertarian Party | 2007 | 2018 | 2019 | N/A | 1 (2019) | Bill Etheridge | The briefly got first representative in October 2018, but soon their representative later joined the Brexit Party in February 2019. |
Plaid Cymru | 1925 | 1999 | 2020 | N/A | 2 (1999) | Jillian Evans; Eurig Wyn | |
Pro-Euro Conservative Party | 1999 | 1999 | 1999 | 2001 | 2 (1999) | Brendan Donnelly; John Stevens | Split from the Conservative Party |
Scottish National Party | 1934 | 1979 | 2020 | N/A | 2 (1994) | Winifred Ewing; Ian Hudghton; Allan Macartney; Neil MacCormick; Alyn Smith | |
Scottish Socialist Party | 1998 | 1998 | 1999 | N/A | 1 (1998) | Hugh Kerr | |
Sinn Féin | 1905 | 2004 | 2020 | N/A | 1 (2004) | Bairbre de Brún; Martina Anderson | Also had an MEP elected in the Republic of Ireland |
Social Democratic and Labour Party | 1970 | 1979 | 2004 | N/A | 1 (1979) | John Hume | |
Social Democratic Party | 1981 | 1984 | 1984 | 1988 | 1 (1984) | Michael Gallagher | |
Social Democratic Party (1990-present) | 1990 | 2018 | 2019 | N/A | 1 (2018) | Patrick O'Flynn | This is the second continuation and current incarnation of the original Social Democratic Party |
Thurrock Independents | 2018 | 2018 | 2019 | N/A | 1 (2018) | Tim Aker | |
Traditional Unionist Voice | 2007 | 2007 | 2009 | N/A | 1 (2007) | Jim Allister | |
United Kingdom Independence Party | 1993 | 1999 | 2019 | N/A | 24 (2014) | ||
Ulster Unionist Party | 1905 | 1979 | 2019 | N/A | 1 (1979) | Jim Nicholson; John Taylor | |
Veritas | 2005 | 2005 | 2005 | 2015 | 1 (2005) | Robert Kilroy-Silk | Split from the United Kingdom Independence Party; merged into the English Democrats |