| Term and Party | Prime Minister | % Correct |
|---|---|---|
| 2019-2022, Conservative | Boris Johnson | 90%
|
| 2010-2016, Conservative | David Cameron | 90%
|
| 1979-1990, Conservative | Margaret Thatcher | 90%
|
| 2016-2019, Conservative | Theresa May | 85%
|
| 1997-2007, Labour | Tony Blair | 85%
|
| 1940-1945 and 1951-1955, Conservative | Winston Churchill | 85%
|
| 2022-Present | Liz Truss | 80%
|
| 2007-2010, Labour | Gordon Brown | 75%
|
| 1937-1940, Conservative | Neville Chamberlain | 75%
|
| 1990-1997, Conservative | John Major | 70%
|
| 1868 and 1874-1880, Conservative | Benjamin Disraeli | 65%
|
| 1945-1951, Labour | Clement Attlee | 65%
|
| 1955-1957, Conservative | Anthony Eden | 60%
|
| 1916-1922, Liberal | David Lloyd George | 60%
|
| 1964-1970 and 1974-1976, Labour | Harold Wilson | 60%
|
| 1976-1979, Labour | James Callaghan | 60%
|
| 1957-1963, Conservative | Harold Macmillan | 50%
|
| 1970-1974, Conservative | Edward Heath | 45%
|
| 1924 and 1929-1935, Labour and National Labour | Ramsay MacDonald | 45%
|
| 1963-1964, Conservative | Alec Douglas-Home | 40%
|
| 1828-1830 and 1834, Tory | Arthur Wellesley | 40%
|
| 1834-1835 and 1841-1846, Conservative | Robert Peel | 40%
|
| 1923-1924, 1924-1929, and 1935-1937, Conservative | Stanley Baldwin | 40%
|
| 1908-1916, Liberal | H. H. Asquith | 35%
|
| 1922-1923, Conservative | Bonar Law | 30%
|
| 1766-1768, Whig | William Pitt the Elder | 30%
|
| 1743-1754, Whig | Henry Pelham | 25%
|
| 1721-1742, Whig | Robert Walpole | 25%
|
| 1703-1801 and 1804-1806, Tory | William Pitt the Younger | 25%
|
| 1903-1905, Conservative | Arthur Balfour | 20%
|
| 1827, Tory | George Canning | 20%
|
| 1763-1765, Whig | George Grenville | 20%
|
| 1868-1874, 1880-1885, 1886, and 1892-1894, Liberal | William Ewart Gladstone | 20%
|
| 1894-1895, Liberal | Archibald Primrose | 15%
|
| 1768-1770, Whig | Augustus FitzRoy | 15%
|
| 1830-1834, Whig | Charles Grey | 15%
|
| 1765-1766 and 1782, Whig | Charles Watson-Wentworth | 15%
|
| 1827-1828, Tory | Frederick John Robinson | 15%
|
| 1770-1782, Tory | Frederick North | 15%
|
| 1852-1855, Peelite | George Hamilton-Gordon | 15%
|
| 1801-1804, Tory | Henry Addington | 15%
|
| 1905-1908, Liberal | Henry Campbell-Bannerman | 15%
|
| 1855-1856 and 1859-1865, Whig and Liberal | Henry John Temple | 15%
|
| 1846-1852 and 1865-1866, Whig and Liberal | John Russell | 15%
|
| 1762-1763, Tory | John Stuart | 15%
|
| 1812-1827 | Robert Jenkinson | 15%
|
| 1742-1743, Whig | Spencer Compton | 15%
|
| 1809-1812, Tory | Spencer Perceval | 15%
|
| 1754-1756 and 1757-1762, Whig | Thomas Pelham-Holles | 15%
|
| 1756-1757, Whig | William Cavendish | 15%
|
| 1783 and 1807-1908, Whig and Tory | William Cavendish-Bentinck | 15%
|
| 1806-1807, Whig | William Grenville | 15%
|
| 1834 and 1835-1841, Whig | William Lamb | 15%
|
| 1782-1783, Whig | William Petty | 15%
|
| 1852 and 1858-1859, Conservative | Edward Smith-Stanley | 10%
|
| 1885-1886, 1886-1892, and 1895-1902, Conservative | Robert Gascoyne-Cecil | 10%
|