Leaders of political parties in the United Kingdom
Leaders in the Northern Ireland Assembely
Columns: Leader | Party | Leader's Seat | Number of Seats | Leader since
Peter Robinson | Democratic Unionist Party | Belfast East | 38 | 31 May 2008 | Raymond McCartney | Sinn Féin | Foyle | 29 | 2011 | Tom Elliott | Ulster Unionist Party | Fermanagh and South Tyrone | 16 | 22 September 2010 | Margaret Ritchie | Social Democratic and Labour Party | South Down | 14 | 7 February 2010 | David Ford | Alliance Party of Northern Ireland | South Antrim | 8 | 2001 | Steven Agnew | Green Party in Northern Ireland | North Down | 1 | 2010 | Jim Allister | Traditional Unionist Voice | North Antrim | 1 | 2007