| 100% | PETER | 5 | & 19A Labour MP for Neath from 1991-2015; Secretary of State for Wales from 2002-08 |
| 91% | HAIN | 4 | Peter —, Labour MP for Neath from 1991-2015; Secretary of State for Wales from 2002-08 |
| 70% | PETER | 5 | & 15A Labour MP for Neath 1991-2015; Secretary of State for Wales from 2009-10 |
| 58% | HAIN | 4 | Peter —, Secretary of State for Wales from 2002-08 |
| 52% | RONDAVIES | 9 | 1983-2001 Labour MP for Caerphilly; Secretary of State for Wales from 1997-98 |
| 51% | HOON | 4 | Geoffrey —, Labour MP for Ashfield from 1992-2010; Secretary of State for Defence from 1999-2005 |
| 49% | DOBSON | 6 | Frank —, former Labour MP for Holborn and St Pancras; Secretary of State for Health from 1997-99 |
| 48% | BROWNE | 6 | Des —, Labour MP for Kilmarnock and Loudoun from 1997-2010; Secretary of State for Defence from 2006-08 |
| 47% | HOON | 4 | Geoffrey —, Labour MP for Ashfield from 1992-2010; 1999-2005 Secretary of State for Defence |
| 46% | REDWOOD | 7 | John —, Secretary of State for Wales from 1993-95 |
| 46% | SHORT | 5 | Clare —, 1983-2010 Labour MP for Birmingham Ladywood; Secretary of State for International Development from 1997-2003 |
| 45% | DESBROWNE | 9 | Former MP for Kilmarnock and Loudoun; Secretary of State for Defence from 2006-08 |
| 45% | BROWNE | 6 | Des —, former MP for Kilmarnock and Loudoun; Secretary of State for Defence from 2006-08 |
| 45% | SHORT | 5 | Clare —, former Labour MP; Secretary of State for International Development from 1997-2003 |
| 45% | WOODWARD | 8 | Shaun —, former Labour MP; Secretary of State for Northern Ireland from 2007-10 |
| 44% | MILIBAND | 8 | David —, 2001-13 Labour MP for South Shields; Secretary of State for Environment, Food and Rural Affairs from 2006-07 |
| 44% | HOWELLS | 7 | Kim —, Labour MP for Pontypridd from 1989-2010; Minister of State at the Foreign and Commonwealth Office from 2005-08 |
| 42% | BOBAINSWORTH | 12 | 1992-2015 Labour MP for Coventry North East; 2009-10 Secretary of State for Defence |
| 42% | AINSWORTH | 9 | Bob —, 1992-2015 Labour MP for Coventry North East; 2009-10 Secretary of State for Defence |
| 42% | TOMKING | 7 | Conservative MP for Bridgwater from 1970-2001; Secretary of State for Northern Ireland from 1985-89 |
| 41% | HUHNE | 5 | Chris —, Liberal Democrat MP; Secretary of State for Energy and Climate Change from 2010-12 |
| 40% | LAMMY | 5 | David —, Labour MP for Tottenham; Minister of State for Culture from 2005-07 |
| 39% | DAVIS | 5 | David —, Conservative MP for Goole and Pocklington; Secretary of State for Exiting the European Union from 2016-18 |
| 39% | LANSLEY | 7 | Andrew —, 1997-2015 Conservative MP; 2010-12 Secretary of State for Health |
| 38% | PROFUMO | 7 | John —, Secretary of State for War from 1960-63 |
| 38% | NOTT | 4 | John —, Secretary of State for Defence from 1981-83 |
| 38% | GOVE | 4 | Michael —, Secretary of State for Education from 2010-14 |