| 100% | RUDD | 4 | Amber —, Conservative MP for Hastings and Rye from 2010-19; Home Secretary from 2016-18 |
| 49% | DAVIS | 5 | David —, Conservative MP for Goole and Pocklington; Secretary of State for Exiting the European Union from 2016-18 |
| 42% | RUDD | 4 | Amber —, Home Secretary from 2016-18 |
| 41% | LIAMFOX | 7 | Secretary of State for Defence from 2010-11 and Secretary of State for International Trade from 2016-19 |
| 40% | DAVID | 5 | Conservative MP for Havant from 1992-2015; 2010-14 Minister of State for Universities and Science |
| 40% | GOVE | 4 | Michael —, Conservative MP for Surrey Heath; Secretary of State for Education from 2010-14 |
| 39% | HURD | 4 | Douglas —, Conservative MP for Witney from 1983-97; Home Secretary from 1985-89 |
| 39% | DAVIS | 5 | David —, Conservative MP for Haltemprice and Howden re-elected in 2017; Secretary of State for Exiting the European Union appointed in 2016 |
| 37% | HUHNE | 5 | Chris —, Liberal Democrat MP; Secretary of State for Energy and Climate Change from 2010-12 |
| 36% | BROWNE | 6 | Des —, Labour MP for Kilmarnock and Loudoun from 1997-2010; Secretary of State for Defence from 2006-08 |
| 36% | SMITH | 5 | Jacqui —, 1997-2010 Labour MP for Redditch; Home Secretary from 2007-09 |
| 34% | LETWIN | 6 | Oliver —, Conservative MP from 1997-2019; Shadow Home Secretary from 2001-03 |
| 33% | TOMKING | 7 | Conservative MP for Bridgwater from 1970-2001; Secretary of State for Northern Ireland from 1985-89 |
| 33% | DESBROWNE | 9 | Former MP for Kilmarnock and Loudoun; Secretary of State for Defence from 2006-08 |
| 33% | CLARKE | 6 | Kenneth —, Conservative MP for Rushcliffe since 1970; Lord Chancellor from 2010-12 |
| 33% | BROWNE | 6 | Des —, former MP for Kilmarnock and Loudoun; Secretary of State for Defence from 2006-08 |
| 33% | RIPPON | 6 | Geoffrey —, 1966-87 Conservative MP for Hexham; Secretary of State for the Environment from 1972-74 |
| 32% | RIFKIND | 7 | Malcolm —, Conservative MP for Edinburgh Pentlands from 1974-97; Foreign Secretary from 1995-97 |
| 32% | BRANDRETH | 9 | Gyles —, broadcaster and writer; Conservative MP for the City of Chester from 1992-97 |
| 32% | STRAW | 5 | Jack —, 1979-2015 Labour MP for Blackburn; Home Secretary from 1997-2001 |
| 32% | HURD | 4 | Douglas —, 1974-97 Conservative MP; Home Secretary from 1985-89 |
| 32% | HAMILTON | 8 | Neil —, Conservative MP for Tatton from 1983-97; leader of UKIP in Wales since 2016 |
| 32% | TIMYEO | 6 | Conservative MP for Suffolk South from 1983-2015; Shadow Minister of Agriculture, Fisheries and Food from 1997-2001 |
| 32% | LANSLEY | 7 | Andrew —, 1997-2015 Conservative MP; 2010-12 Secretary of State for Health |
| 31% | CHANNON | 7 | Paul —, Conservative MP for Southend West from 1959-97; Secretary of State for Transport from 1987-89 |
| 31% | DOBSON | 6 | Frank —, former Labour MP for Holborn and St Pancras; Secretary of State for Health from 1997-99 |
| 31% | CHUTEREDE | 9 | James —, Labour MP for South Shields from 1935-64; Home Secretary from 1945-51 |