| 100% | LETWIN | 6 | Oliver —, Conservative MP from 1997-2019; Shadow Home Secretary from 2001-03 |
| 48% | STRAW | 5 | Jack —, 1979-2015 Labour MP for Blackburn; Home Secretary from 1997-2001 |
| 44% | TIMYEO | 6 | Conservative MP for Suffolk South from 1983-2015; Shadow Minister of Agriculture, Fisheries and Food from 1997-2001 |
| 44% | SMITH | 5 | Jacqui —, 1997-2010 Labour MP for Redditch; Home Secretary from 2007-09 |
| 43% | HURD | 4 | Douglas —, 1974-97 Conservative MP; Home Secretary from 1985-89 |
| 43% | YEO | 3 | Tim —, Conservative MP for Suffolk South from 1983-2015; Shadow Minister of Agriculture, Fisheries and Food from 1997-2001 |
| 42% | STRAW | 5 | Jack —, Home Secretary from 1997-2001 |
| 41% | HURD | 4 | Douglas —, Conservative MP for Witney from 1983-97; Home Secretary from 1985-89 |
| 40% | RUDD | 4 | Amber —, Conservative MP for Hastings and Rye from 2010-19; Home Secretary from 2016-18 |
| 40% | BLUNKETT | 8 | David —, Home Secretary from 2001-04 |
| 38% | TOMKING | 7 | Conservative MP for Bridgwater from 1970-2001; Secretary of State for Northern Ireland from 1985-89 |
| 36% | RONDAVIES | 9 | 1983-2001 Labour MP for Caerphilly; Secretary of State for Wales from 1997-98 |
| 36% | REID | 4 | John —, 1987-2010 Labour MP; Home Secretary from 2006-07 |
| 35% | CUNNINGHAM | 10 | Jack —, Labour MP for Copeland from 1983-2005; Shadow Foreign Secretary from 1992-94 |
| 35% | PYM | 3 | Francis —, Conservative MP; Foreign Secretary from 1982-83 |
| 34% | CHUTEREDE | 9 | James —, Labour MP for South Shields from 1935-64; Home Secretary from 1945-51 |
| 34% | LANSLEY | 7 | Andrew —, 1997-2015 Conservative MP; 2010-12 Secretary of State for Health |
| 34% | MILIBAND | 8 | David —, 2001-13 Labour MP for South Shields; Foreign Secretary from 2007-10 |
| 33% | SHORT | 5 | Clare —, former Labour MP; Secretary of State for International Development from 1997-2003 |
| 32% | RIFKIND | 7 | Malcolm —, Conservative MP for Edinburgh Pentlands from 1974-97; Foreign Secretary from 1995-97 |
| 32% | GOVE | 4 | Michael —, Conservative MP for Surrey Heath; Secretary of State for Education from 2010-14 |
| 31% | DAVIS | 5 | David —, Conservative MP for Goole and Pocklington; Secretary of State for Exiting the European Union from 2016-18 |
| 31% | HAGUE | 5 | William —, Conservative Party leader from 1997-2001 |
| 31% | RIPPON | 6 | Geoffrey —, 1966-87 Conservative MP for Hexham; Secretary of State for the Environment from 1972-74 |
| 31% | THERESAMAY | 10 | Home Secretary from 2010-16 |
| 31% | DAVID | 5 | Home Secretary from 1989-90 |
| 31% | CLARKE | 6 | Kenneth —, Conservative MP for Rushcliffe from 1970-2019 |
| 31% | CHANNON | 7 | Paul —, Conservative MP for Southend West from 1959-97; Secretary of State for Transport from 1987-89 |
| 31% | SHORT | 5 | Clare —, 1983-2010 Labour MP for Birmingham Ladywood; Secretary of State for International Development from 1997-2003 |