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List of political parties in Northern Ireland facts for kids

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Political parties in Northern Ireland lists political parties in Northern Ireland. The Northern Ireland Assembly uses the D'Hondt system, with numerous parties in which no one party often has a chance of gaining power alone, and parties must work with each other to form coalition governments. Party affiliation is generally based on religious and ethnic background.

Although Northern Ireland is a part of the United Kingdom, it has a quite distinct political scene from the rest of the country, as the Labour Party and Liberal Democrats do not contest elections there (though the Liberal Democrats have links with the Alliance Party), and the Conservative Party has received only limited support in recent elections.

Some parties, such as Sinn Féin and the Workers' Party, are organised on an all-Ireland basis. Others such as the Conservative Party are organised on an all-United Kingdom basis. There are many Northern Ireland-specific parties and these, on the whole, predominate.

The distinction between "unionist/loyalist", "nationalist/republican" and "other" is not always easy with some parties and individuals. Some have defined themselves less by their position on the "Border Question" than on other political issues.

For example the former Republican Labour Party/Social Democratic and Labour Party MP Gerry Fitt's career suggests he was first and foremost a socialist rather than a nationalist and he eventually left the SDLP claiming it had drifted from its founding intentions. Similarly the Workers' Party has its roots in the republican Official IRA but nowadays is considered to be a non-violent socialist and nationalist party. Several parties strive to be avowedly non-sectarian and would not consider themselves to be either unionist or nationalist. The Northern Ireland Assembly requires MLAs to designate themselves either "Unionist", "Nationalist" or "Other." This is a designation that is particularly resented by those who designate as "Other", as they have no input on who becomes First or Deputy First Minister.

There are some who see the terms "Unionist" and "Nationalist"/"Republican" as being of more relevance to the community that the party seeks to represent rather than the position on the border question. Several of the "Other" parties strive to be non-sectarian but have a clear position on the border.

Political parties with elected representation at a local, national, UK or European level

Party details

Party Current Leader English translation
/ Name in Irish
Founded Inaugural Leader Ideology Position Designation EP Group
Democratic Unionist Party Arlene Foster Páirtí Aontachtach Daonlathach 1971 Ian Paisley National conservatism,
Social conservatism,
British unionism
Right-wing Unionist Non-Inscrits
Sinn Féin Gerry Adams "We Ourselves" 1905 / 1970 Arthur Griffith Irish republicanism,
Left-wing nationalism,
Democratic socialism
Left-wing Nationalist GUE/NGL
Social Democratic and
Labour Party
Colum Eastwood Páirtí Sóisialta Daonlathach
an Lucht Oibre
1970 Gerry Fitt Social democracy,
Irish nationalism
Centre-left Nationalist S&D
Ulster Unionist Party Mike Nesbitt Páirtí Aontachtach Uladh 1905 Edward Saunderson Conservatism,
British unionism
Centre-right Unionist ECR
Alliance Party of
Northern Ireland
Naomi Long Páirtí Comhghuaillíochta Thuaisceart Éireann 1970 Bob Cooper
Oliver Napier
Centre Other none
Traditional Unionist Voice Jim Allister Glór Traidisúnta Aontachtach 2007 Jim Allister British unionism,
Social conservatism
Right-wing Unionist none
Green Party in Northern Ireland Steven Agnew Comhaontas Glas i dTuaisceart Éireann 1983 none Green politics,
Centre-left Other Greens/EFA
UK Independence Party Paul Nuttall Páirtí Neamphspleách na Ríochta Aontaithe 1993 Alan Sked Euroscepticism,
Right-wing populism,
British unionism
Right-wing Unionist EFDD
NI21 Basil McCrea 2013 Basil McCrea Ulster unionism,
Centre Unionist none
Progressive Unionist Party Billy Hutchinson An Páirtí Aontachtach Forásach 1979 Hugh Smyth British unionism,
Democratic socialism,
Social democracy
Left-wing Unionist none
People Before Profit Alliance none Comhghuaillíocht an Phobail roimh Bhrabús 2005 none Democratic socialism,
Left-wing to Far-left Other (Socialist) none
Animal Welfare Party Vanessa Hudson 2005 none Animal welfare,
Animal rights
Centre Other none

Party representation

Party Representation (as of February 2017)
UK Parliament Assembly European Parliament Local councils
House of Commons House of Lords
Democratic Unionist Party 8 3 28 1 125
Sinn Féin 4 0 27 1 105
Social Democratic and Labour Party 3 0 12 0 63
Ulster Unionist Party 2 2 10 1 89
Alliance Party of Northern Ireland 0 0 8 0 32
Green Party in Northern Ireland 0 0 2 0 3
People Before Profit Alliance 0 0 1 0 1
Traditional Unionist Voice 0 0 1 0 13
Progressive Unionist Party 0 0 0 0 4
UK Independence Party 0 0 0 0 4

Other registered parties

Unionist and loyalist

  • Northern Ireland Conservatives
  • Protestant Coalition - (Dissolved Party, defunct since 2015)

Nationalist and republican

  • Communist Party of Ireland (CPI)
  • Éirígí - Registered to contest local elections only
  • Fianna Fáil (FF) - Registered, but has not yet contested elections
  • Irish Republican Socialist Party (IRSP) - Registered to contest local elections only
  • Republican Network for Unity (RNU) - Registered, but has not yet contested elections


  • Labour Party in Northern Ireland - The British Labour Party have a policy not to stand in Northern Ireland. Until recently it was not possible for residents to even join the party; however this was changed on legal advice. The Labour Party has recently set up an officially recognised branch party in the region. The SDLP MPs unofficially take the Labour whip.
  • Northern Ireland Liberal Democrats - The Liberal Democrats currently have a policy not to stand in Northern Ireland but to support their sister party, the Alliance, with many holding membership of both, and Alliance peers take the Liberal Democrat whip.
  • Official Monster Raving Loony Party - Registered, but has not yet contested elections
  • Socialist Party
  • Socialist Workers Party
  • Veritas - Registered, but has not yet contested elections
  • Workers' Party of Ireland

Unregistered parties

Candidates for unregistered parties may choose either to be listed as "Non-Party", or to leave the section blank on the ballot paper, in the same manner as independent candidates.

  • 32 County Sovereignty Movement - Does not contest elections, operates as a pressure group
  • Republican Sinn Féin (RSF)
  • Respect – The Unity Coalition - Previously registered and has no plans to contest future elections

Inactive parties

Unionist and loyalist

  • British Ulster Dominion Party
  • Commonwealth Labour Party
  • Independent Unionist Association
  • Labour Unionist Party
  • Northern Ireland Unionist Party - deregistered 2008
  • Protestant Unionist Party (evolved into the DUP)
  • Ulster Constitution Party
  • Ulster Democratic Party
  • Ulster Loyalist Democratic Party
  • Ulster Popular Unionist Party
  • Ulster Progressive Unionist Association
  • Ulster Protestant League
  • Ulster Resistance
  • Ulster Unionist Labour Association
  • Unionist Party of Northern Ireland
  • United Kingdom Unionist Party - deregistered 2008
  • United Ulster Unionist Council
  • United Ulster Unionist Party
  • United Unionist Coalition (UUC)
  • Vanguard Progressive Unionist Party
  • Volunteer Political Party

Nationalist and Republican

  • All Ireland Anti-Partition League
  • Federation of Labour
  • Fianna Uladh
  • Irish Anti-Partition League
  • Independent Socialist Party
  • Irish Independence Party
  • National Democratic Party
  • National Democrats
  • National League of the North
  • National Unity
  • Nationalist Party
  • Northern Council for Unity
  • Official Sinn Féin (now Workers' Party of Ireland)
  • People's Democracy
  • Red Republican Party
  • Republican Congress
  • Republican Labour Party
  • Saor Éire
  • Socialist Republican Party
  • Unity


  • Communist Party of Ireland (CPI)
  • World Socialist Party (Ireland)


  • Belfast Labour Party
  • Commonwealth Labour Party
  • Communist Party of Ireland (Marxist-Leninist)
  • Communist Party of Northern Ireland
  • Irish Labour Party (contests elections in the Republic)
  • Labour coalition
  • Labour Party of Northern Ireland
  • Northern Ireland Labour Party
  • Northern Ireland Women's Coalition
  • Newtownabbey Labour Party
  • Newtownabbey Ratepayers Association
  • Natural Law Party
  • Social Democratic Party - The post-1988 rump of the party stood in a Northern Ireland by-election in 1990; the party as a whole existed and was more prominent in Great Britain from 1981-1990 although the post 1990 rump group still has two seats on local councils in England and Wales.
  • Ulster Independence Movement
  • Ulster Liberal Party
  • Ulster Movement for Self-Determination
  • United Labour Party (Northern Ireland)
  • Ulster Third Way - deregistered 2005
  • Vote for Yourself Party - disbanded April 2009, de registered 8 June 2009

Party leaders

Party leaders serving 10 years or more are

Leader Years Party/Period Constituency
Ian Paisley 42y Protestant Unionist Party 1966–1971
Democratic Unionist Party 1971–2008
Bannside, North Antrim
Ruairí Ó Brádaigh 36y Sinn Féin 1970–1983
Republican Sinn Féin 1986–present
Gerry Adams 31y Sinn Féin 1983–present West Belfast, Louth
William Norton 28y Irish Labour 1932–1960
Tomás Mac Giolla 26y Sinn Féin 1962–1970
Official Sinn Féin 1970–1977
Sinn Féin The Workers Party 1977–1982
Workers' Party 1982–1988
Hugh Smyth 23y Progressive Unionist Party 1979–2002
John Hume 22y Social Democratic and Labour Party 1979–2001 Foyle
Albert McElroy 19y Ulster Liberal Party 1956–1975 (?)
Lord Craigavon 19y Ulster Unionist Party 1921–1940 Down, North Down
John Redmond 18y Irish Parliamentary Party 1900–1918 Waterford City
Lord Brookeborough 17y Ulster Unionist Party 1946–1963 Lisnaskea
James Molyneaux 16y Ulster Unionist Party 1979–1995 South Antrim, Lagan Valley
Joseph Devlin 16y Nationalist Party 1918–1934 Belfast Falls, Fermanagh and Tyrone, Belfast Central
Gerry Fitt 15y Republican Labour Party 1964–1970
Social Democratic and Labour Party 1970–1979
Belfast West, Belfast Dock
James Kilfedder 15y Ulster Popular Unionist Party 1980–1995 North Down
Margaret Buckley 13y Sinn Féin 1937–1950
Robert McCartney 13y UK Unionist Party 1995–2008 North Down
James McSparran 13y Nationalist Party 1945–1958 Mourne
Oliver Napier 12y Alliance Party 1972–1984
Thomas Joseph Campbell 11y Nationalist Party 1934–1945 Belfast Central
Sir Edward Carson 11y Ulster Unionist Party 1910–1921 Dublin University, Belfast Duncairn
John Alderdice 11y Alliance Party 1987–1998
David Trimble 10y Ulster Unionist Party 1995–2005 Upper Bann
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