| Years | Leader | % Correct |
|---|---|---|
| 2007-2010 | Gordon Brown | 99%
|
| 1994-2007 | Tony Blair | 99%
|
| 2020- | Keir Starmer | 97%
|
| 2010-2015 | Ed Miliband | 96%
|
| 1963 (Acting) | George Brown | 95%
|
| 2015-20 | Jeremy Corbyn | 95%
|
| 1963-76 | Harold Wilson | 94%
|
| 1935-55 | Clement Attlee | 92%
|
| 1976-80 | James Callaghan | 90%
|
| 1983-92 | Neil Kinnock | 84%
|
| 1992-94 | John Smith | 81%
|
| 1980-83 | Michael Foot | 78%
|
| 1911-14 | Ramsay MacDonald | 75%
|
| 1922-31 | Ramsay MacDonald | 75%
|
| 2010 (Acting) | Harriet Harman | 61%
|
| 2015 (Acting) | Harriet Harman | 61%
|
| 1906-08 | Keir Hardie | 49%
|
| 1994 (Acting) | Margaret Beckett | 48%
|
| 1955-63 | Hugh Gaitskell | 44%
|
| 1908-10 | Arthur Henderson | 24%
|
| 1914-17 | Arthur Henderson | 24%
|
| 1931-32 | Arthur Henderson | 24%
|
| 1955 (Acting) | Herbert Morrison | 21%
|
| 1932-35 | George Lansbury | 18%
|
| 1921-22 | J. R. Clynes | 13%
|
| 1910-11 | George Barnes | 8%
|
| 1917-21 | William Adamson | 6%
|