| In office | Leader | % Correct |
|---|---|---|
| 2019-2022 | Boris Johnson | 100%
|
| 2016-2019 | Theresa May | 100%
|
| 2022 | Liz Truss | 98%
|
| 1975-1990 | Margaret Thatcher | 98%
|
| 2022-2024 | Rishi Sunak | 98%
|
| 2005-2016 | David Cameron | 96%
|
| 1940-1955 | Winston Churchill | 96%
|
| 1990-1997 | John Major | 94%
|
| 2024- | Kemi Badenoch | 85%
|
| 1937-1940 | Neville Chamberlain | 83%
|
| 1955-1957 | Anthony Eden | 81%
|
| 1965-1975 | Edward Heath | 77%
|
| 1957-1963 | Harold Macmillan | 77%
|
| 2001-2003 | Iain Duncan Smith | 74%
|
| 1963-1965 | Alec Douglas-Home | 70%
|
| 1997-2001 | William Hague | 68%
|
| 2003-2005 | Michael Howard | 66%
|
| 1923-1937 | Stanley Baldwin | 64%
|
| 1868-1881 | Benjamin Disraeli | 53%
|
| 1922-1923 | Andrew Bonar Law | 49%
|
| 1916-1921 | Andrew Bonar Law | 49%
|
| 1834-1846 | Robert Peel | 47%
|
| 1902-1911 | Arthur Balfour | 40%
|
| 1885-1902 | Robert Gascoyne-Cecil | 36%
|
| 1846-1868 | Edward Smith-Stanley | 19%
|