Prime Ministers - United Kingdom
Complete list of all UK Prime Ministers since Robert Walpole in 1721, with party and term dates.
Prime Ministers
79
In office
Keir Starmer
Longest tenure
21 years
Robert Walpole
| No. | Name | Party | Start | End | Duration |
|---|---|---|---|---|---|
| 1 | Robert Walpole | Whig | 1721 | 1742 | 21 years |
| 2 | Spencer Compton | Whig | 1742 | 1743 | 1 year |
| 3 | Henry Pelham | Whig | 1743 | 1754 | 11 years |
| 4 | Thomas Pelham-Holles | Whig | 1754 | 1756 | 2 years |
| 5 | William Cavendish | Whig | 1756 | 1757 | 1 year |
| 6 | Thomas Pelham-Holles | Whig | 1757 | 1762 | 5 years |
| 7 | John Stuart | Tory | 1762 | 1763 | 1 year |
| 8 | George Grenville | Whig | 1763 | 1765 | 2 years |
| 9 | Charles Watson-Wentworth | Whig | 1765 | 1766 | 1 year |
| 10 | William Pitt l'Ancien | Whig | 1766 | 1768 | 2 years |
| 11 | Augustus Fitzroy | Whig | 1768 | 1770 | 2 years |
| 12 | Frederick North | Tory | 1770 | 1782 | 12 years |
| 13 | Charles Watson-Wentworth | Whig | 1782 | 1782 | 0 year |
| 14 | William Petty | Whig | 1782 | 1783 | 1 year |
| 15 | William H. Cavendish-Bentinck | Whig | 1783 | 1783 | 0 year |
| 16 | William Pitt le Jeune | Tory | 1783 | 1801 | 18 years |
| 17 | Henry Addington | Tory | 1801 | 1804 | 3 years |
| 18 | William Pitt le Jeune | Tory | 1804 | 1806 | 2 years |
| 19 | William Wyndham Grenville | Whig | 1806 | 1807 | 1 year |
| 20 | William H. Cavendish-Bentinck | Tory | 1807 | 1809 | 2 years |
| 21 | Spencer Perceval | Tory | 1809 | 1812 | 3 years |
| 22 | Robert Banks Jenkinson | Tory | 1812 | 1827 | 15 years |
| 23 | George Canning | Tory | 1827 | 1827 | 0 year |
| 24 | Frederick John Robinson | Tory | 1827 | 1828 | 1 year |
| 25 | Arthur Wellesley | Tory | 1828 | 1830 | 2 years |
| 26 | Charles Grey | Whig | 1830 | 1834 | 4 years |
| 27 | William Lamb | Whig | 1834 | 1834 | 0 year |
| 28 | Robert Peel | Conservateur | 1834 | 1835 | 1 year |
| 29 | William Lamb | Whig | 1835 | 1841 | 6 years |
| 30 | Robert Peel | Conservateur | 1841 | 1846 | 5 years |
| 31 | John Russell | Libéral | 1846 | 1852 | 6 years |
| 32 | Edward Stanley | Conservateur | 1852 | 1852 | 0 year |
| 33 | George Hamilton-Gordon | Péelite | 1852 | 1855 | 3 years |
| 34 | Henry John Temple | Libéral | 1855 | 1858 | 3 years |
| 35 | Edward Stanley | Conservateur | 1858 | 1859 | 1 year |
| 36 | Henry John Temple | Libéral | 1859 | 1865 | 6 years |
| 37 | John Russell | Libéral | 1865 | 1866 | 1 year |
| 38 | Edward Stanley | Conservateur | 1866 | 1868 | 2 years |
| 39 | Benjamin Disraeli | Conservateur | 1868 | 1868 | 0 year |
| 40 | William E. Gladstone | Libéral | 1868 | 1874 | 6 years |
| 41 | Benjamin Disraeli | Conservateur | 1874 | 1880 | 6 years |
| 42 | William E. Gladstone | Libéral | 1880 | 1885 | 5 years |
| 43 | Robert Gascoyne-Cecil | Conservateur | 1885 | 1886 | 1 year |
| 44 | William E. Gladstone | Libéral | 1886 | 1886 | 0 year |
| 45 | Robert Gascoyne-Cecil | Conservateur | 1886 | 1892 | 6 years |
| 46 | William E. Gladstone | Libéral | 1892 | 1894 | 2 years |
| 47 | Archibald Primrose | Libéral | 1894 | 1895 | 1 year |
| 48 | Robert Gascoyne-Cecil | Conservateur | 1895 | 1902 | 7 years |
| 49 | Arthur Balfour | Conservateur | 1902 | 1905 | 3 years |
| 50 | Henry Campbell-Bannerman | Libéral | 1905 | 1908 | 3 years |
| 51 | Herbert Henry Asquith | Libéral | 1908 | 1916 | 8 years |
| 52 | David Lloyd George | Libéral | 1916 | 1922 | 6 years |
| 53 | Andrew Bonar Law | Conservateur | 1922 | 1923 | 1 year |
| 54 | Stanley Baldwin | Conservateur | 1923 | 1924 | 1 year |
| 55 | Ramsay MacDonald | Travailliste | 1924 | 1924 | 0 year |
| 56 | Stanley Baldwin | Conservateur | 1924 | 1929 | 5 years |
| 57 | Ramsay MacDonald | Travailliste | 1929 | 1935 | 6 years |
| 58 | Stanley Baldwin | Conservateur | 1935 | 1937 | 2 years |
| 59 | Neville Chamberlain | Conservateur | 1937 | 1940 | 3 years |
| 60 | Winston Churchill | Conservateur | 1940 | 1945 | 5 years |
| 61 | Clement Attlee | Travailliste | 1945 | 1951 | 6 years |
| 62 | Winston Churchill | Conservateur | 1951 | 1955 | 4 years |
| 63 | Anthony Eden | Conservateur | 1955 | 1957 | 2 years |
| 64 | Harold Macmillan | Conservateur | 1957 | 1963 | 6 years |
| 65 | Alec Douglas-Home | Conservateur | 1963 | 1964 | 1 year |
| 66 | Harold Wilson | Travailliste | 1964 | 1970 | 6 years |
| 67 | Edward Heath | Conservateur | 1970 | 1974 | 4 years |
| 68 | Harold Wilson | Travailliste | 1974 | 1976 | 2 years |
| 69 | James Callaghan | Travailliste | 1976 | 1979 | 3 years |
| 70 | Margaret Thatcher | Conservateur | 1979 | 1990 | 11 years |
| 71 | John Major | Conservateur | 1990 | 1997 | 7 years |
| 72 | Tony Blair | Travailliste | 1997 | 2007 | 10 years |
| 73 | Gordon Brown | Travailliste | 2007 | 2010 | 3 years |
| 74 | David Cameron | Conservateur | 2010 | 2016 | 6 years |
| 75 | Theresa May | Conservateur | 2016 | 2019 | 3 years |
| 76 | Boris Johnson | Conservateur | 2019 | 2022 | 3 years |
| 77 | Liz Truss | Conservateur | 2022 | 2022 | 0 year |
| 78 | Rishi Sunak | Conservateur | 2022 | 2024 | 2 years |
| 79 | Keir Starmer In office | Travailliste | 2024 | — | 2 years |