Prime Ministers of the United Kingdom
+ – + – + – + – + – + – + – + – + – + – + – +
| Name | In Office | Political party | Notes | |
| Entered | Left | |||
| Sir Robert Walpole | 4 Apr 1721 | 11 Feb 1742 | Whig | |
| Earl of Wilmington | 16 Feb 1742 | 2 Jul 1743 | Whig | |
| Henry Pelham | 27 Aug 1743 | 6 Mar 1754 | Whig | |
| Duke of Newcastle | 16 Mar 1754 | 16 Nov 1756 | Whig | |
| Duke of Devonshire | 16 Nov 1756 | 25 Jun 1757 | Whig | |
| Duke of Newcastle | 2 Jul 1757 | 26 May 1762 | Whig | |
| Earl of Bute | 26 May 1762 | 8 Apr 1763 | Tory | |
| George Grenville | 16 Apr 1763 | 13 Jul 1765 | Whig | |
| Marquess of Rockingham | 13 Jul 1765 | 30 Jul 1766 | Whig | |
| Earl of Chatham | 30 Jul 1766 | 14 Oct 1768 | Whig | |
| Duke of Grafton | 14 Oct 1768 | 28 Jan 1770 | Whig | |
| Lord North | 28 Jan 1770 | 22 Mar 1782 | Tory | |
| Marquess of Rockingham | 27 Mar 1782 | 1 Jul 1782 | Whig | |
| Earl of Shelburne | 4 Jul 1782 | 2 Apr 1783 | Whig | |
| Duke of Portland | 2 Apr 1783 | 19 Dec 1783 | Tory | |
| William Pitt, the Younger | 19 Dec 1783 | 14 Mar 1801 | Tory | |
| Henry Addington | 17 Mar 1801 | 10 May 1804 | Tory | |
| William Pitt, the Younger | 10 May 1804 | 23 Jan 1806 | Tory | |
| Lord Grenville | 11 Feb 1806 | 31 Mar 1807 | Whig | |
| Duke of Portland | 31 Mar 1807 | 4 Oct 1809 | Tory | |
| Spencer Perceval | 4 Oct 1809 | 11 May 1812 | Tory | |
| Lord Liverpool | 8 Jun 1812 | 9 Apr 1827 | Tory | |
| George Canning | 10 Apr 1827 | 8 Aug 1827 | Tory | |
| Viscount Goderich | 31 Aug 1827 | 21 Jan 1828 | Tory | |
| Duke of Wellington | 22 Jan 1828 | 16 Nov 1830 | Tory | |
| Earl Grey | 22 Nov 1830 | 9 Jul 1834 | Whig | |
| Viscount Melbourne | 16 Jul 1834 | 14 Nov 1834 | Whig | |
| Duke of Wellington | 14 Nov 1834 | 10 Dec 1834 | Tory | |
| Sir Robert Peel | 10 Dec 1834 | 8 Apr 1835 | Tory | |
| Viscount Melbourne | 18 Apr 1835 | 30 Aug 1841 | Whig | |
| Sir Robert Peel | 30 Aug 1841 | 29 Jun 1846 | Tory | |
| Lord John Russell | 30 Jun 1846 | 21 Feb 1852 | Whig | see note 1 |
| Earl of Derby | 23 Feb 1852 | 17 Dec 1852 | Conservative | |
| Earl of Aberdeen | 19 Dec 1852 | 30 Jan 1855 | Conservative | |
| Viscount Palmerston | 6 Feb 1855 | 19 Feb 1858 | Liberal | |
| Earl of Derby | 20 Feb 1858 | 11 Jun 1859 | Conservative | |
| Viscount Palmerston | 12 Jun 1859 | 18 Oct 1865 | Liberal | |
| Earl Russell | 29 Oct 1865 | 26 Jun 1866 | Liberal | |
| Earl of Derby | 28 Jun 1866 | 25 Feb 1868 | Conservative | |
| Benjamin Disraeli | 27 Feb 1868 | 1 Dec 1868 | Conservative | |
| William Ewart Gladstone | 3 Dec 1868 | 17 Feb 1874 | Liberal | |
| Benjamin Disraeli | 20 Feb 1874 | 21 Apr 1880 | Conservative | see note 2 |
| William Ewart Gladstone | 23 Apr 1880 | 9 Jun 1885 | Liberal | |
| Marquess of Salisbury | 23 Jun 1885 | 28 Jan 1886 | Conservative | |
| William Ewart Gladstone | 1 Feb 1886 | 20 Jul 1886 | Liberal | |
| Marquess of Salisbury | 25 Jul 1886 | 11 Aug 1892 | Conservative | |
| William Ewart Gladstone | 15 Aug 1892 | 2 Mar 1894 | Liberal | |
| Earl of Rosebery | 5 Mar 1894 | 22 Jun 1895 | Liberal | |
| Marquess of Salisbury | 25 Jun 1895 | 11 Jul 1902 | Conservative | |
| Arthur Balfour | 11 Jul 1902 | 5 Dec 1905 | Conservative | |
| Sir Henry Campbell-Bannerman | 5 Dec 1905 | 7 Apr 1908 | Liberal | |
| Herbert Henry Asquith | 7 Apr 1908 | 25 May 1915 | Liberal | |
| Herbert Henry Asquith | 25 May 1915 | 7 Dec 1916 | Liberal | Coalition |
| David Lloyd George | 7 Dec 1916 | 19 Oct 1922 | Liberal | Coalition |
| Andrew Bonar Law | 23 Oct 1922 | 20 May 1923 | Conservative | |
| Stanley Baldwin | 23 May 1923 | 16 Jan 1924 | Conservative | |
| Ramsay MacDonald | 22 Jan 1924 | 4 Nov 1924 | Labour | |
| Stanley Baldwin | 4 Nov 1924 | 5 Jun 1929 | Conservative | |
| Ramsay MacDonald | 5 Jun 1929 | 24 Aug 1931 | Labour | |
| Ramsay MacDonald | 24 Aug 1931 | 7 Jun 1935 | National Labour | National |
| Stanley Baldwin | 7 Jun 1935 | 28 May 1937 | Conservative | National |
| Neville Chamberlain | 28 May 1937 | 10 May 1940 | Conservative | National |
| Winston Churchill | 10 May 1940 | 23 May 1945 | Conservative | Coalition |
| Winston Churchill | 23 May 1945 | 26 Jul 1945 | Conservative | Caretaker |
| Clement Attlee | 26 Jul 1945 | 26 Oct 1951 | Labour | |
| Sir Winston Churchill | 26 Oct 1951 | 7 Apr 1955 | Conservative | |
| Sir Anthony Eden | 7 Apr 1955 | 10 Jan 1957 | Conservative | |
| Harold Macmillan | 10 Jan 1957 | 19 Oct 1963 | Conservative | |
| Sir Alec Douglas-Home | 19 Oct 1963 | 16 Oct 1964 | Conservative | |
| Harold Wilson | 16 Oct 1964 | 19 Jun 1970 | Labour | |
| Edward Heath | 19 Jun 1970 | 4 Mar 1974 | Conservative | |
| Harold Wilson | 4 Mar 1974 | 5 Apr 1976 | Labour | |
| James Callaghan | 5 Apr 1976 | 4 May 1979 | Labour | |
| Margaret Thatcher | 4 May 1979 | 28 Nov 1990 | Conservative | |
| John Major | 28 Nov 1990 | 2 May 1997 | Conservative | |
| Tony Blair | 2 May 1997 | 27 Jun 2007 | Labour | |
| Gordon Brown | 27 Jun 2007 | 11 May 2010 | Labour | |
| David Cameron | 11 May 2010 | 7 May 2015 | Conservative | see note 3 |
| David Cameron | 7 May 2015 | 13 Jul 2016 | Conservative | |
| Theresa May | 13 Jul 2016 | 24 Jul 2019 | Conservative | |
| Boris Johnson | 24 Jul 2019 | 06 Sep 2022 | Conservative | |
| Elizabeth Truss | 06 Sep 2022 | 25 Oct 2022 | Conservative | |
| Rishi Sunak | 25 Oct 2022 | Conservative | ||
| Notes | ||||
| 1. Lord John Russell later became Prime Minister as Earl Russell | ||||
| 2. Benjamin Disraeli served from 1876 as Earl of Beaconsfield | ||||
| 3. David Cameron led a Conservative / Liberal Democrat Coalition | ||||
Last updated 25 Oct 2022