Government of the United Kingdom/Catalogs/Prime Ministers

A chronological list of British Prime Ministers. The country was called the Kingdom of Great Britain until 1800, and the United Kingdom thereafter. Note that the post did not officially exist before 1905, and lists differ somewhat.

Prime Ministers of the Kingdom of Great Britain

• Robert Walpole (1721–1742)
• Earl of Wilmington (1742–1743)
• Henry Pelham (1743 –1754)
• Duke of Newcastle (1754–1756)
• Duke of Devonshire (1756–1757)
• Duke of Newcastle (1757–1762)
• Earl of Bute (1762–1763)
• George Grenville (1763–1765)
• Marquess of Rockingham (1765–1766)
• Earl of Chatham (1766–1767)
• Duke of Grafton (1767–1770)
• Lord North (1770–1782)
• Marquess of Rockingham (1782)
• Earl of Shelburne (1782–1783)
• Duke of Portland (1783)
• William Pitt (1783–1801)

Prime Ministers of the United Kingdom

• Henry Addington (1801–1804)
• William Pitt (1804–1806)
• Lord Grenville (1806–1807)
• Duke of Portland (1807–1809)
• Spencer Perceval (1809–1812)
• Earl of Liverpool (1812–1827)
• George Canning (1827)
• Viscount Goderich (1827–1828)
• Duke of Wellington (1828–1830)
• Earl Grey (1830–1834)
• Viscount Melbourne (1834)
• Sir Robert Peel (1834–1835)
• Viscount Melbourne (1835–1841)
• Sir Robert Peel (1841–1846)
• Lord John Russell (1846–1852)
• Earl of Derby (1852)
• Earl of Aberdeen (1852–1855)
• Viscount Palmerston (1855–1858)
• Earl of Derby (1858–1859)
• Viscount Palmerston (1859–1865)
• Earl Russell (1865–1866; formerly Lord John Russell)
• Earl of Derby (1866–1868)
• Benjamin Disraeli (1868)
• William Gladstone (1868–1874)
• Benjamin Disraeli (1874–1880; Earl of Beaconsfield 1876)
• William Gladstone (1880–1885)
• Marquess of Salisbury (1885–1886)
• William Gladstone (1886)
• Marquess of Salisbury (1886–1892)
• William Gladstone (1892–1894)
• Earl of Rosebery (1894–1895)
• Marquess of Salisbury (1895–1902)
• Arthur James Balfour (1902–1905)
• Sir Henry Campbell–Bannerman (1905–1908; first official Prime Minister)
• Herbert Henry Asquith (1908–1916)
• David Lloyd George (1916–1922)
• Andrew Bonar Law (1922–1923)
• Stanley Baldwin (1923–1924)
• James Ramsay MacDonald (1924)
• Stanley Baldwin (1924–1929)
• James Ramsay MacDonald (1929–1935)
• Stanley Baldwin (1935–1937)
• Neville Chamberlain (1937–1940)
• Winston Churchill (1940–1945)
• Clement Attlee (1945–1951)
• Winston Churchill (1951–1955)
• Sir Anthony Eden (1955–1957)
• Harold Macmillan (1957–1963)
• Sir Alec Douglas-Home (1963–1964)
• Harold Wilson (1964–1970)
• Edward Heath (1970–1974)
• Harold Wilson (1974–1976)
• James Callaghan (1976–1979)
• Margaret Thatcher (1979–1990)
• John Major (1990–1997)
• Tony Blair (1997–2007)
• Gordon Brown (2007–2010)
• David Cameron (2010–2016)
• Theresa May (2016–2019)
• Boris Johnson (2019–2022)
• Liz Truss (2022)
• Rishi Sunak (2022–)