UK Elections Info
Merthyr Tydfil & Rhymney
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Data Last Updated: 7 August 2025
Application Last Amended: 20 July 2024
This website is considered to be an archive in the public interest.
| New | |||
| 9 June 1983 | 43,139/60,153 | 71.72 | |
| Labour Party | 29,053 | 67.35 | |
| Liberal Party in Alliance | 6,323 | 14.66 | |
| Conservative & Unionist Party | 5,449 | 12.63 | |
| Plaid Cymru | 2,058 | 4.77 | |
| Workers Revolutionary Party | 256 | 0.59 | |
| Majority | 22,730 | 52.69 | |
| 11 June 1987 | 44,328/58,886 | 75.28 | |
| Labour Party | 33,400 | 75.35 | |
| Conservative & Unionist Party | 5,270 | 11.89 | |
| Liberal Party in Alliance | 3,573 | 8.06 | |
| Plaid Cymru | 2,085 | 4.70 | |
| Majority | 28,130 | 63.46 | |
| 9 April 1992 | 44,315/58,430 | 75.84 | |
| Labour Party | 31,710 | 71.56 | |
| Liberal Democrats | 4,997 | 11.28 | |
| Conservative & Unionist Party | 4,904 | 11.07 | |
| Plaid Cymru | 2,704 | 6.10 | |
| Majority | 26,713 | 60.28 | |
| 1 May 1997 | 39,141/56,507 | 69.27 | |
| Labour Party | 30,012 | 76.68 | |
| Liberal Democrats | 2,926 | 7.48 | |
| Conservative & Unionist Party | 2,508 | 6.41 | |
| Plaid Cymru | 2,344 | 5.99 | |
| Independent Labour | 691 | 1.77 | |
| Referendum Party | 660 | 1.69 | |
| Majority | 27,086 | 69.20 | |
| Alan Cowdell sought election as an Old Labour candidate. | |||
| 7 June 2001 | 31,684/55,368 | 57.22 | |
| Labour Party | 19,574 | 61.78 | |
| Plaid Cymru | 4,651 | 14.68 | |
| Liberal Democrats | 2,385 | 7.53 | |
| Conservative & Unionist Party | 2,272 | 7.17 | |
| Independent | 1,936 | 6.11 | |
| Socialist Labour | 692 | 2.18 | |
| Pro-Life Alliance | 174 | 0.55 | |
| Majority | 14,923 | 47.10 | |
| Jeffrey Edwards opposed the continued use of a local waste tip as well as extensive open case mining. | |||
| 5 May 2005 | 29,976/54,579 | 54.92 | |
| Labour Party | 18,129 | 60.48 | |
| Liberal Democrats | 4,195 | 13.99 | |
| Plaid Cymru | 2,972 | 9.91 | |
| Conservative & Unionist Party | 2,680 | 8.94 | |
| Forward Wales | 1,030 | 3.44 | |
| UK Independence Party | 699 | 2.33 | |
| Socialist Labour | 271 | 0.90 | |
| Majority | 13,934 | 46.48 | |
| 6 May 2010 | 32,076/52,558 | 61.03 | |
| Labour Party | 14,007 | 43.67 | |
| Liberal Democrats | 9,951 | 31.02 | |
| Conservative & Unionist Party | 2,412 | 7.52 | |
| Independent | 1,845 | 5.75 | |
| Plaid Cymru | 1,621 | 5.05 | |
| British National Party | 1,173 | 3.66 | |
| UK Independence Party | 872 | 2.72 | |
| Socialist Labour | 195 | 0.61 | |
| Majority | 4,056 | 12.64 | |
| 7 May 2015 | 32,715/54,715 | 59.79 | |
| Labour Party | 17,619 | 53.86 | |
| UK Independence Party | 6,106 | 18.66 | |
| Conservative & Unionist Party | 3,292 | 10.06 | |
| Plaid Cymru | 3,099 | 9.47 | |
| Liberal Democrats | 1,351 | 4.13 | |
| Green Party | 603 | 1.84 | |
| Independent | 459 | 1.40 | |
| Communist Party of Great Britain | 186 | 0.57 | |
| Majority | 11,513 | 35.19 | |
| 8 June 2017 | 33,545/55,463 | 60.48 | |
| Labour Party | 22,407 | 66.80 | |
| Conservative & Unionist Party | 6,073 | 18.10 | |
| Plaid Cymru | 2,740 | 8.17 | |
| UK Independence Party | 1,484 | 4.42 | |
| Liberal Democrats | 841 | 2.51 | |
| Majority | 16,334 | 48.69 | |
| 12 December 2019 | 32,246/56,322 | 57.25 | |
| Labour Party | 16,913 | 52.45 | |
| Conservative & Unionist Party | 6,307 | 19.56 | |
| Brexit Party | 3,604 | 11.18 | |
| Plaid Cymru | 2,446 | 7.59 | |
| Independent | 1,860 | 5.77 | |
| Liberal Democrats | 1,116 | 3.46 | |
| Majority | 10,606 | 32.89 | |