| Assumed Office | Leader of the Opposition | % Correct |
|---|---|---|
| 12 September 2015 | Jeremy Corbyn | 94%
|
| 25 September 2010 | Ed Miliband | 91%
|
| 14 February 1963 | Harold Wilson | 91%
|
| 19 June 1970 | Harold Wilson | 91%
|
| 4 April 2020 | Keir Starmer | 91%
|
| 21 July 1994 | Tony Blair | 91%
|
| 6 December 2005 | David Cameron | 88%
|
| 28 July 1965 | Edward Heath | 88%
|
| 4 March 1974 | Edward Heath | 88%
|
| 2 May 1997 | John Major | 84%
|
| 11 February 1975 | Margaret Thatcher | 84%
|
| 25 October 1935 | Clement Attlee | 81%
|
| 23 May 1945 | Clement Attlee | 81%
|
| 26 October 1951 | Clement Attlee | 81%
|
| 22 May 1940 | Hastings Lees-Smith | 81%
|
| 13 September 2001 | Iain Duncan Smith | 81%
|
| 18 July 1992 | John Smith | 81%
|
| 26 July 1945 | Winston Churchill | 81%
|
| 16 October 1964 | Alec Douglas-Home | 78%
|
| 4 May 1979 | James Callaghan | 78%
|
| 10 November 1980 | Michael Foot | 78%
|
| 19 June 1997 | William Hague | 69%
|
| 2 October 1983 | Neil Kinnock | 63%
|
| 21 November 1922 | Ramsay MacDonald | 63%
|
| 4 November 1924 | Ramsay MacDonald | 63%
|
| 22 January 1924 | Stanley Baldwin | 63%
|
| 5 June 1929 | Stanley Baldwin | 63%
|
| 18 January 1963 | George Brown | 59%
|
| 6 November 2003 | Michael Howard | 56%
|
| 11 May 2010 | Harriet Harman | 53%
|
| 8 May 2015 | Harriet Harman | 53%
|
| 6 December 1916 | H. H. Asquith | 53%
|
| 12 February 1920 | H. H. Asquith | 53%
|
| 12 May 1994 | Margaret Beckett | 53%
|
| 14 December 1955 | Hugh Gaitskell | 31%
|
| 26 November 1955 | Herbert Morrison | 19%
|
| 1 September 1931 | Arthur Henderson | 16%
|
| 19 October 1915 | Edward Carson | 9%
|
| 25 October 1931 | George Lansbury | 9%
|
| February 1942 | Arthur Greenwood | 6%
|
| 14 December 1918 | Donald Maclean | 3%
|
| 21 January 1942 | Frederick Pethick-Lawrence | 3%
|