| Term | Party | Prime Minister | % Correct |
|---|---|---|---|
| 2019–2022 | Conservative | Boris Johnson | 95%
|
| 1979–1990 | Conservative | Margaret Thatcher | 90%
|
| 2022–2024 | Conservative | Rishi Sunak | 89%
|
| 1940–1945, 1951–1955 | Conservative | Winston Churchill | 89%
|
| 2024– | Labour | Keir Starmer | 86%
|
| 1997–2007 | Labour | Tony Blair | 85%
|
| 2016–2019 | Conservative | Theresa May | 84%
|
| 2010–2016 | Conservative | David Cameron | 83%
|
| 2022 | Conservative | Liz Truss | 83%
|
| 2007–2010 | Labour | Gordon Brown | 73%
|
| 1990–1997 | Conservative | John Major | 64%
|
| 1937–1940 | Conservative | Neville Chamberlain | 61%
|
| 1945–1951 | Labour | Clement Attlee | 53%
|
| 1964–1970, 1974–1976 | Labour | Harold Wilson | 51%
|
| 1868, 1874–1880 | Conservative | Benjamin Disraeli | 46%
|
| 1916–1922 | Liberal | David Lloyd George | 44%
|
| 1970–1974 | Conservative | Edward Heath | 43%
|
| 1955–1957 | Conservative | Anthony Eden | 42%
|
| 1766–1768 | Whig | William Pitt the Elder | 42%
|
| 1783–1801, 1804–1806 | Tory | William Pitt the Younger | 42%
|
| 1957–1963 | Conservative | Harold Macmillan | 41%
|
| 1976–1979 | Labour | James Callaghan | 41%
|
| 1834–1835, 1841–1846 | Conservative | Robert Peel | 37%
|
| 1868–1874, 1880–1885, 1886, 1892–1894 | Liberal | William Gladstone | 35%
|
| 1963–1964 | Conservative | Alec Douglas-Home | 34%
|
| 1924, 1929–1935 | Labour/National Labour | Ramsay MacDonald | 33%
|
| 1721–1742 | Whig | Sir Robert Walpole | 32%
|
| 1923–1924, 1924–1929, 1935–1937 | Conservative | Stanley Baldwin | 32%
|
| 1828–1830, 1834 | Tory | Duke of Wellington | 31%
|
| 1908–1916 | Liberal | Herbert Asquith | 30%
|
| 1852–1855 | Peelite | Earl of Aberdeen | 28%
|
| 1922–1923 | Conservative | Andrew Bonar Law | 26%
|
| 1852, 1858–1859, 1866–1868 | Conservative | Earl of Derby | 26%
|
| 1885–1886, 1886–1892, 1895–1902 | Conservative | Marquess of Salisbury | 26%
|
| 1902–1905 | Conservative | Arthur Balfour | 24%
|
| 1830–1834 | Whig | Earl Grey | 24%
|
| 1812–1827 | Tory | Lord Liverpool | 24%
|
| 1855–1858, 1859–1865 | Liberal/Whig | Lord Palmerston | 23%
|
| 1834, 1835–1841 | Whig | Lord Melbourne | 22%
|
| 1754–1756, 1757–1762 | Whig | Duke of Newcastle | 21%
|
| 1905–1908 | Liberal | Henry Campbell- Bannerman | 21%
|
| 1770–1782 | Tory | Lord Frederick North | 21%
|
| 1809–1812 | Tory | Spencer Perceval | 20%
|
| 1894–1895 | Liberal | Earl of Rosebery | 18%
|
| 1846–1852, 1865–1866 | Liberal/Whig | Lord John Russell | 18%
|
| 1756–1757 | Whig | Duke of Devonshire | 17%
|
| 1827 | Tory | George Canning | 17%
|
| 1783, 1807–1809 | Tory | Duke of Portland | 16%
|
| 1762–1763 | Tory | Earl of Bute | 16%
|
| 1765–1766, 1782 | Whig | Marquess of Rockingham | 16%
|
| 1742–1743 | Whig | Earl of Wilmington | 15%
|
| 1763–1765 | Whig | George Grenville | 15%
|
| 1743–1754 | Whig | Henry Pelham | 15%
|
| 1806–1807 | Whig | Lord Grenville | 15%
|
| 1801–1804 | Tory | Henry Addington | 14%
|
| 1827–1828 | Tory | Viscount Goderich | 14%
|
| 1768–1770 | Whig | Duke of Grafton | 13%
|
| 1782–1783 | Whig | Earl of Shelburne | 13%
|