| Years as Leader | Constituency (ies) | LEADER | % Correct |
|---|---|---|---|
| 2015- | Islington North | Jeremy Corbyn | 93%
|
| 1983-92 | Islwyn | Neil Kinnock | 83%
|
| 2010-2015 | Doncaster North | Ed Miliband | 82%
|
| 1992-94 | Monklands East | John Smith | 78%
|
| 1980-83 | Ebbw Vale | Michael Foot | 77%
|
| 2010*, 2015* | Camberwell and Peckham | Harriet Harman | 56%
|
| 1994* | Derby South | Margaret Beckett | 46%
|
| 1906-08 | Merthyr Tydvil | James Keir Hardie | 40%
|
| 1955-63 | Leeds South | Hugh Gaitskell | 37%
|
| 1963* | Belper | George Brown | 31%
|
| 1908-10, 1914-17, 1931-32 | Barnard Castle, Burnley | Arthur Henderson | 16%
|
| 1932-35 | Bow & Bromley | George Lansbury | 13%
|
| 1921-22 | Manchester Platting | John Clynes | 8%
|
| 1910-11 | Blackfriars & Hutchesontown | George Nicoll Barnes | 6%
|
| 1917-21 | Fife West | William Adamson | 5%
|