# List of parliaments of the United Kingdom

This is a list of parliaments of the United Kingdom, tabulated with the elections to the House of Commons and the list of members of the House.
The parliaments are numbered from the formation of the United Kingdom of Great Britain and Ireland. For previous Westminster parliaments, see the list of parliaments of Great Britain and list of parliaments of England. For pre-Union Dublin parliaments, see the list of parliaments of Ireland. For pre-1707 Scottish parliaments, see the list of parliaments of Scotland.

## List of parliaments

| Monarch | Number | Start date | Election | Members | Prime ministers | Party control | Percentage of popular vote |
| George III | 1 | 1801 | none: co-opted | | William Pitt | Tory | |
| George III | 1 | 1801 | none: co-opted | | Henry Addington | Tory | |
| George III | 2 | 1802 | General election | MPs | Henry Addington | Tory | |
| George III | 2 | 1802 | General election | MPs | William Pitt | Tory | |
| George III | 3 | 1806 | General election | MPs | The Lord Grenville | Whig | |
| George III | 4 | 1807 | General election | MPs | The Duke of Portland | Tory | |
| George III | 4 | 1807 | General election | MPs | Spencer Perceval | Tory | |
| George III | 4 | 1807 | General election | MPs | The Earl of Liverpool | Tory | |
| George III | 5 | 1812 | General election | MPs | The Earl of Liverpool | Tory | |
| George III | 6 | 1818 | General election | MPs | The Earl of Liverpool | Tory | |
| George IV | 7 | 1820 | General election | MPs | The Earl of Liverpool | Tory | |
| George IV | 8 | 1826 | General election | MPs | The Earl of Liverpool | Tory | |
| George IV | 8 | 1826 | General election | MPs | George Canning | Tory | |
| George IV | 8 | 1826 | General election | MPs | The Viscount Goderich | Tory | |
| George IV | 8 | 1826 | General election | MPs | The Duke of Wellington | Tory | |
| William IV | 9 | 1830 | General election | MPs | The Earl Grey | Tory | 59.3% |
| William IV | 10 | 1831 | General election | MPs | The Earl Grey | Whig | 63.3% |
| William IV | 11 | 1832 | General election | MPs | The Earl Grey | Whig | 67.0% |
| William IV | 11 | 1832 | General election | MPs | The Viscount Melbourne | Whig | 67.0% |
| William IV | 11 | 1832 | General election | MPs | Sir Robert Peel | Whig | 67.0% |
| William IV | 12 | 1835 | General election | MPs | The Viscount Melbourne | Whig | 55.2% |
| Victoria | 13 | 1837 | General election | MPs | The Viscount Melbourne | Whig | 51.7% |
| Victoria | 14 | 1841 | General election | MPs | Sir Robert Peel | Conservative | 56.9% |
| Victoria | 15 | 1847 | General election | MPs | Lord John Russell | Whig | 53.8% |
| Victoria | 16 | 1852 | General election | MPs | The Earl of Derby | Conservative | 41.9% |
| Victoria | 16 | 1852 | General election | MPs | The Earl of Aberdeen | Conservative | 41.9% |
| Victoria | 17 | 1857 | General election | MPs | The Viscount Palmerston | Whig | 65.9% |
| Victoria | 17 | 1857 | General election | MPs | The Earl of Derby | Whig | 65.9% |
| Victoria | 18 | 1859 | General election | MPs | The Viscount Palmerston | Liberal | 65.7% |
| Victoria | 19 | 1865 | General election | MPs | The Earl Russell | Liberal | 59.5% |
| Victoria | 19 | 1865 | General election | MPs | The Earl of Derby | Liberal | 59.5% |
| Victoria | 19 | 1865 | General election | MPs | Benjamin Disraeli | Liberal | 59.5% |
| Victoria | 20 | 1868 | General election | MPs | William Ewart Gladstone | Liberal | 61.5% |
| Victoria | 21 | 1874 | General election | MPs | Benjamin Disraeli | Conservative | 44.3% |
| Victoria | 22 | 1880 | General election | MPs | William Ewart Gladstone | Liberal | 54.7% |
| Victoria | 23 | 1885 | General election | MPs | The Marquess of Salisbury | Liberal (minority) | 47.4% |
| Victoria | 23 | 1885 | General election | MPs | William Ewart Gladstone | Liberal (minority) | 47.4% |
| Victoria | 24 | 1886 | General election | MPs | The Marquess of Salisbury | Conservative | 51.1% |
| Victoria | 25 | 1892 | General election | MPs | William Ewart Gladstone | Liberal (minority) | 45.4% |
| Victoria | 25 | 1892 | General election | MPs | The Earl of Rosebery | Liberal (minority) | 45.4% |
| Victoria | 26 | 1895 | General election | MPs | The Marquess of Salisbury | Conservative | 49.0% |
| Victoria | 27 | 1900 | General election | MPs | The Marquess of Salisbury | Conservative | 50.3% |
| Edward VII | 27 | 1900 | General election | MPs | Arthur Balfour | Conservative | 50.3% |
| Edward VII | 28 | 1906 | General election | MPs | Sir Henry Campbell-Bannerman | Liberal | 48.9% |
| Edward VII | 28 | 1906 | General election | MPs | Herbert Asquith | Liberal | 48.9% |
| Edward VII | 29 | 1910 (Jan) | General election | MPs | Herbert Asquith | Liberal (minority) | 43.5% |
| George V | 29 | 1910 (Jan) | General election | MPs | Herbert Asquith | Liberal (minority) | 43.5% |
| George V | 30 | 1910 (Dec) | General election | MPs | Herbert Asquith | Liberal (minority) | 43.2% |
| George V | 30 | 1910 (Dec) | General election | MPs | David Lloyd George | Liberal (minority) | 43.2% |
| George V | 31 | 1918 | General election | MPs | David Lloyd George | Coalition(Coa.Lib–Con–Lab) | 47.1% |
| George V | 32 | 1922 | General election | MPs | Bonar Law | Conservative | 38.5% |
| George V | 33 | 1923 | General election | MPs | Ramsay MacDonald | Labour (minority) | 30.7% |
| George V | 34 | 1924 | General election | MPs | Stanley Baldwin | Conservative | 46.8% |
| George V | 35 | 1929 | General election | MPs | Ramsay MacDonald | Labour (minority) | 37.1% |
| George V | 36 | 1931 | General election | MPs | Ramsay MacDonald | National Government | 67.2% |
| George V | 37 | 1935 | General election | MPs | Stanley Baldwin | National Government | 53.3% |
| Edward VIII | 37 | 1935 | General election | MPs | Stanley Baldwin | National Government | 53.3% |
| George VI | 37 | 1935 | General election | MPs | Stanley Baldwin | National Government | 53.3% |
| George VI | 37 | 1935 | General election | MPs | Neville Chamberlain | National Government | 53.3% |
| George VI | 37 | 1935 | General election | MPs | Winston Churchill | National Government | 53.3% |
| George VI | 38 | 1945 | General election | MPs | Clement Attlee | Labour | 49.7% |
| George VI | 39 | 1950 | General election | MPs | Clement Attlee | Labour | 46.1% |
| George VI | 40 | 1951 | General election | MPs | Winston Churchill | Conservative | 48.0% |
| Elizabeth II | 40 | 1951 | General election | MPs | Winston Churchill | Conservative | 48.0% |
| Elizabeth II | 41 | 1955 | General election | MPs | Anthony Eden | Conservative | 49.7% |
| Elizabeth II | 41 | 1955 | General election | MPs | Harold Macmillan | Conservative | 49.7% |
| Elizabeth II | 42 | 1959 | General election | MPs | Harold Macmillan | Conservative | 49.4% |
| Elizabeth II | 42 | 1959 | General election | MPs | The Earl of Home | Conservative | 49.4% |
| Elizabeth II | 43 | 1964 | General election | MPs | Harold Wilson | Labour | 44.1% |
| Elizabeth II | 44 | 1966 | General election | MPs | Harold Wilson | Labour | 48.0% |
| Elizabeth II | 45 | 1970 | General election | MPs | Edward Heath | Conservative | 46.4% |
| Elizabeth II | 46 | 1974 (Feb) | General election | MPs | Harold Wilson | Labour (minority) | 37.2% |
| Elizabeth II | 47 | 1974 (Oct) | General election | MPs | Harold Wilson | Labour | 39.2% |
| Elizabeth II | 47 | 1974 (Oct) | General election | MPs | James Callaghan | Labour | 39.2% |
| Elizabeth II | 48 | 1979 | General election | MPs | Margaret Thatcher | Conservative | 43.9% |
| Elizabeth II | 49 | 1983 | General election | MPs | Margaret Thatcher | Conservative | 42.3% |
| Elizabeth II | 50 | 1987 | General election | MPs | Margaret Thatcher | Conservative | 42.2% |
| Elizabeth II | 50 | 1987 | General election | MPs | John Major | Conservative | 42.2% |
| Elizabeth II | 51 | 1992 | General election | MPs | John Major | Conservative | 41.9% |
| Elizabeth II | 52 | 1997 | General election | MPs | Tony Blair | Labour | 43.2% |
| Elizabeth II | 53 | 2001 | General election | MPs | Tony Blair | Labour | 40.7% |
| Elizabeth II | 54 | 2005 | General election | MPs | Tony Blair | Labour | 35.2% |
| Elizabeth II | 54 | 2005 | General election | MPs | Gordon Brown | Labour | 35.2% |
| Elizabeth II | 55 | 2010 | General election | MPs | David Cameron | Coalition(Con–Lib.Dem) | 59.1% |
| Elizabeth II | 56 | 2015 | General election | MPs | David Cameron | Conservative | 36.9% |
| Elizabeth II | 56 | 2015 | General election | MPs | Theresa May | Conservative | 36.9% |
| Elizabeth II | 57 | 2017 | General election | MPs | Theresa May | Conservative | 42.4% |
| Elizabeth II | 57 | 2017 | General election | MPs | Boris Johnson | Conservative | 42.4% |
| Elizabeth II | 58 | 2019 | General election | MPs | Boris Johnson | Conservative | 43.6% |
| Elizabeth II | 58 | 2019 | General election | MPs | Liz Truss | Conservative | 43.6% |
| Charles III | 58 | 2019 | General election | MPs | Liz Truss | Conservative | 43.6% |
| Charles III | 58 | 2019 | General election | MPs | Rishi Sunak | Conservative | 43.6% |
| Charles III | 59 | 2024 | General election | MPs | Sir Keir Starmer | Labour | 33.7% |