| % | Most Successful Election | Party | % Correct |
|---|---|---|---|
| 55.0 | Stanley Baldwin (1931) | Conservative | 100%
|
| 1.2 | Fenner Brockway (1931) | Independent Labour | 100%
|
| 48.8 | Clement Attlee (1951) | Labour | 100%
|
| 65.8 | Viscount Palmerston (1859) | Liberal | 96%
|
| 6.4 | Carla Denyer and Adrian Ramsay (2024) | Green | 93%
|
| 14.3 | Nigel Farage (2024) | Reform | 93%
|
| 23.0 | Nick Clegg (2010) | Liberal Democrats | 89%
|
| 67.0 | Earl Grey (1832) | Whig | 81%
|
| 12.6 | Nigel Farage (2015) | UK Independence | 78%
|
| 4.7 | Nicola Sturgeon (2015) | Scottish National | 74%
|
| 29.2 | Duke of Wellington (1832) | Tory | 74%
|
| 2.0 | Nigel Farage (2019) | Brexit | 63%
|
| 1.9 | Nick Griffin (2010) | British National | 48%
|
| 4.6 | Eamon de Valera (1918) | Sinn Féin | 48%
|
| 11.5 | Roy Jenkins (1983) | Social Democratic | 48%
|
| 1.5 | Ramsay MacDonald (1935) | National Labour | 26%
|
| 1.2 | N/A (1924) | Constitutionalist | 22%
|
| 9.9 | David Lloyd George (1922) | National Liberal | 19%
|
| 3.7 | John Simon (1935) | National Liberal | 19%
|
| 2.6 | James Goldsmith (1997) | Referendum | 19%
|
| 5.2 | Justin McCarthy (1892) | Irish National Federation | 11%
|
| 1.6 | John Redmond (1892) | Irish National League | 11%
|
| 6.9 | Charles Stewart Parnell (1882) | Irish Parliamentary | 11%
|
| 3.7 | Isaac Butt (1874) | Home Rule | 7%
|
| 3.8 | Daniel O'Connell (1832) | Irish Repeal | 7%
|
| 1.7 | N/A (1857) | Independent Irish | 0%
|