Plaid Cymru election results

Last updated

This article lists Plaid Cymru's election results in UK parliamentary, European parliamentary, and Welsh Assembly elections.

Contents

Summary of electoral performance

Westminster elections

YearConstituenciesVotes
Number of
candidates
Saved
deposits [1]
Number of
elected MPs
ChangeTotalAverage
per candidate
 % UK
vote
 % Welsh
vote
Change
(percentage points)
1929 1 0Steady2.svg6096090.0%0.0%New
1931 21Steady2.svg2,0501,0250.0%0.2%Increase2.svg 0.2
1935 1 0Steady2.svg2,5342,5340.0%0.3%Increase2.svg 0.1
1945 71Steady2.svg16,0172,2880.0%1.2%Increase2.svg 0.9
1950 71Steady2.svg17,5802,2880.1%1.2%Increase2.svg 0.0
1951 40Steady2.svg10,9202,7300.0%0.7%Decrease2.svg 0.5
1955 114Steady2.svg45,1194,1020.2%3.1%Increase2.svg 2.4
1959 206Steady2.svg77,5713,8790.3%5.2%Increase2.svg 2.1
1964 232Steady2.svg69,5073,0220.3%4.8%Decrease2.svg 0.2
1966 202Steady2.svg61,0713,0540.2%4.3%Decrease2.svg 0.5
1970 3611Steady2.svg175,0164,8620.6%11.5%Increase2.svg 7.2
1974 Feb 36102Increase2.svg 2171,3744,7600.5%10.8%Decrease2.svg 0.7
1974 Oct 36103Increase2.svg 1166,3214,6200.6%10.8%Steady2.svg
1979 3672Decrease2.svg 1132,5443,6820.4%8.2%Decrease2.svg 2.6
1983 3862Steady2.svg125,3093,2980.4%7.8%Decrease2.svg 0.4
1987 38133Increase2.svg 1123,5993,2530.4%7.3%Decrease2.svg 0.5
1992 38154Increase2.svg 1156,7964,1260.5%9.0%Increase2.svg 1.7
1997 40254Steady2.svg161,0304,0260.5%9.9%Increase2.svg 0.9
2001 40354Steady2.svg195,8934,8970.7%14.3%Increase2.svg 4.4
2005 40323Decrease2.svg 1174,8384,3710.6%12.6%Decrease2.svg 1.7
2010 40293Steady2.svg165,3944,1350.6%11.3%Decrease2.svg 1.3
2015 40323Steady2.svg181,7044,5430.6%12.1%Increase2.svg 0.9
2017 40244Increase2.svg 1164,4664,1120.5%10.4%Decrease2.svg 1.7
2019 36274Steady2.svg153,2654,2570.5%9.9%Decrease2.svg 0.5

Welsh Assembly / Senedd elections

DateConstituencyRegionTotal seats
Votes %+/-Seats+/-Votes %+/-Top-up seats+/-Total+/- %
1999 290,57228.4%N/A
9 / 40
N/A312,04830.5%N/A
8 / 20
N/A
17 / 60
N/A28.3%
2003 180,18521.2%Decrease2.svg 7.2
5 / 40
Decrease2.svg 4167,65319.7%Decrease2.svg 10.8
7 / 20
Decrease2.svg 1
12 / 60
Decrease2.svg 520.0%
2007 219,12121.4%Increase2.svg 1.2
7 / 40
Increase2.svg 2204,75721.0%Increase2.svg 1.3
8 / 20
Increase2.svg 1
15 / 60
Increase2.svg 325.0%
2011 182,90719.3%Decrease2.svg 3.1
5 / 40
Decrease2.svg 2169,79917.9%Decrease2.svg 3.1
6 / 20
Decrease2.svg 2
11 / 60
Decrease2.svg 418.3%
2016 209,37620.5%Increase2.svg 1.3
6 / 40
Increase2.svg 1211,54820.8%Increase2.svg 2.9
6 / 20
Steady2.svg
12 / 60
Increase2.svg 120.0%
2021 225,37620.3%Decrease2.svg 0.2
5 / 40
Decrease2.svg 1230,16120.7Decrease2.svg 0.1
8 / 20
Increase2.svg 2
13 / 60
Increase2.svg 121.6%

European Parliament elections

DateVotesWelsh seats
# %+/-#+/- %
1979 83,39911.7%N/A
0 / 4
N/A0%
1984 103,03112.2%Increase2.svg 0.5
0 / 4
Steady2.svg0%
1989 115,06212.9%Increase2.svg 0.7
0 / 4
Steady2.svg0%
1994 162,47817.1%Increase2.svg 4.2
0 / 5
Steady2.svg0%
1999 185,23529.6%Increase2.svg 12.5
2 / 5
Increase2.svg 240%
2004 159,88817.4%Decrease2.svg 12.2
1 / 4
Decrease2.svg 125%
2009 126,70218.5%Increase2.svg 1.1
1 / 4
Steady2.svg25%
2014 111,86415.3%Decrease2.svg 3.3
1 / 4
Steady2.svg25%
2019 163,92819.6%Increase2.svg 4.3
1 / 4
Steady2.svg25%

Elections results

1929 general election

ConstituencyCandidateVotes %Position
Caernarvonshire Lewis Valentine 6091.64

1931 general election

ConstituencyCandidateVotes %Position
Caernarvonshire John Edward Daniel 1,1363.04
University of Wales Saunders Lewis 91429.12

1935 general election

ConstituencyCandidateVotes %Position
Caernarvonshire John Edward Daniel 2,5346.93

By-elections 1935–1945

ElectionCandidateVotes %Position
1943 University of Wales by-election Saunders Lewis 1,33022.52
1945 Caernarvon Boroughs by-election John Edward Daniel 6,84424.82
1945 Neath by-election Wynne Samuel 6,29016.22

1945 general election

ConstituencyCandidateVotes %Position
Caernarvon Boroughs John Edward Daniel 1,5604.54
Caernarvonshire Ambrose Bebb 2,1525.43
Merioneth Gwynfor Evans 2,44810.34
Neath Wynne Samuel 3,6597.33
Ogmore Trefor Richard Morgan 2,3795.63
Rhondda East James Kitchener Davies 2,1236.13
University of Wales Gwenan Jones 1,69624.52

By-elections 1945–1950

ElectionCandidateVotes %Position
1946 Ogmore by-election Trefor Richard Morgan 5,68529.42
1946 Aberdare by-election Wynne Samuel 7,09020.02

1950 general election

ConstituencyCandidateVotes %Position
Aberdare Wynne Samuel 3,3107.53
Caernarvon John Edward Jones 4,88213.14
Llanelly David Eirwyn Morgan 2,1343.84
Merioneth Gwynfor Evans 2,75411.04
Rhondda East David James Davies 1,3573.94
Rhondda West James Kitchener Davies 2,1836.63
Wrexham Geraint Bowen 9601.74

1951 general election

ConstituencyCandidateVotes %Position
Aberdare Wynne Samuel 2,6916.13
Llanelly David Eirwyn Morgan 3,7656.93
Rhondda West James Kitchener Davies 2,4677.73
Wrexham Dan Thomas1,9973.63

By-elections 1951–1955

ElectionCandidateVotes %Position
1955 Wrexham by-election Elystan Morgan 4,57211.33

1955 general election

ConstituencyCandidateVotes %Position
Aberdare Trefor Beasley3,7039.43
Abertillery Trefor Richard Morgan 1,2594.13
Anglesey J. Rowland Jones2,1837.53
Caernarvon Robert E. Jones5,81516.53
Carmarthen Jennie Eirian Davies 3,8357.83
Conway Ioan Bowen Rees 3,0197.83
Gower Chris Rees 4,10110.63
Llanelly David Eirwyn Morgan 6,39812.53
Merioneth Gwynfor Evans 5,24322.23
Rhondda East Noel Williams2,7768.84
Rhondda West Glyn James4,42415.32
Wrexham Elystan Morgan 5,13910.43

By-elections 1955–1959

ElectionCandidateVotes %Position
1956 Newport by-election Emrys Roberts 1,9783.83
1957 Carmarthen by-election Jennie Eirian Davies 5,74111.53
1958 Pontypool by-election Benjamin Morgan2,92710.03

1959 general election

ConstituencyCandidateVotes %Position
Aberavon Iixtyd Lewis3,0666.63
Aberdare Ken Thomas3,3678.23
Anglesey R. Tudur Jones 4,12114.63
Caernarvon Dafydd Orwig Jones7,29321.23
Caerphilly John Howell3,4208.83
Cardiff North Emrys Roberts 2,5535.13
Cardigan Gareth Evans3,88012.83
Carmarthen Hywel Heulyn Roberts2,5455.23
Conway Ioan Bowen Rees 2,8527.64
Denbigh Dafydd Alun Jones3,0777.24
Gower J. Gwyn Griffiths 3,7449.13
Llanelly David Eirwyn Morgan 7,17613.83
Merioneth Gwynfor Evans 5,12722.93
Pembrokeshire Waldo Williams 2,2534.33
Pontypool Benjamin Morgan2,5196.63
Rhondda East Noel Williams2,7768.84
Rhondda West Glyn James4,97817.02
Swansea East Chris Rees 4,65110.53
West Flintshire Nefyl Williams1,5944.14
Wrexham Elystan Morgan 6,57912.23

By-elections 1959–1964

ElectionCandidateVotes %Position
1960 Ebbw Vale by-election Emrys Roberts 2,0917.04
1962 Montgomeryshire by-election Islwyn Ffowc Elis 1,5946.24
1963 Swansea East by-election Chris Rees 1,6205.24

1964 general election

ConstituencyCandidateVotes %Position
Aberavon Glyn John2,1184.63
Aberdare Dewi Thomas2,7237.23
Anglesey R. Tudur Jones 1,8176.54
Brecon and Radnor Trefor Richard Morgan 2,1655.23
Caernarvon Robert E. Jones6,99821.43
Caerphilly Phil Williams 3,95611.03
Cardiff North Emrys Roberts 1,0582.24
Cardigan Gareth Evans3,26210.94
Carmarthen Gwynfor Evans 5,49511.73
Conway Gwilym Hughes3,0588.33
Denbigh Dafydd Alun Jones3,4447.94
Gower J. Gwyn Griffiths 2,5626.53
Llanelly Pennar Davies 3,4697.04
Merioneth Elystan Morgan 3,69716.93
Merthyr Tydfil Ioan Bowen Rees 2,8789.33
Montgomeryshire Islwyn Ffowc Elis 2,1678.54
Ogmore Margaret Tucker2,4705.33
Pembrokeshire Dyfrig Thomas1,7173.44
Pontypool Benjamin Morgan2,5196.63
Rhondda East Glyn James2,3618.24
Rhondda West Henry V. Davies2,66810.23
Swansea East Chris Rees 3,5568.43
West Flintshire Nefyl Williams1,1953.04
Wrexham John R. Thomas4,6738.93

By-elections 1964–1966

ElectionCandidateVotes %Position
1965 Abertillery by-election Edward Merriman1,5516.73

1966 general election

ConstituencyCandidateVotes %Position
Aberdare J. Eaton Williams3,0738.63
Anglesey John Wynn Meredith2,5969.63
Brecon and Radnor Trefor Richard Morgan 2,4106.13
Caernarvon Humphrey Roberts6,83421.73
Caerphilly John D. Howell3,94911.13
Cardiganshire Edward Millward 2,4698.14
Carmarthen Gwynfor Evans 7,41616.13
Conway Robert E. Jones2,5526.73
Denbigh Meredith Edwards 2,6956.14
East Flintshire Gwilym Hughes9021.94
Llanelli Pennar Davies 5,13210.93
Merioneth Ieuan Lewis Jenkins2,49011.43
Merthyr Tydfil Meic Stephens3,36111.53
Montgomeryshire Trefor Edwards1,8417.44
Pembrokeshire Jack Sheppard2,4605.04
Rhondda East Glyn James2,0887.53
Rhondda West Henry Victor Davies2,1728.72
Swansea East Chris Rees 2,7496.83
West Flintshire D. Alun Lloyd1,5853.84
Wrexham John R. Thomas2,2974.54

By-elections 1966–1970

ElectionCandidateVotes %Position
1966 Carmarthen by-election Gwynfor Evans 16,17939.01
1967 Rhondda West by-election Henry V. Davies10,06739.92
1968 Caerphilly by-election Phil Williams 14,27440.42

1970 general election

ConstituencyCandidateVotes %Position
Aberavon George Farmer3,9128.43
Aberdare Gareth Morgan Jones11,43130.02
Abertillery David B. Harries1,7516.23
Anglesey John Lasarus Williams 7,14022.13
Barry Ogwen Williams4,2007.13
Bedwellty Charles Davey3,78010.03
Brecon and Radnor George Jenkins2,3495.43
Caernarfon Robyn Lewis 11,33133.42
Caerphilly Phil Williams 11,50528.52
Cardiff North Morgan Edwards1,9274.14
Cardiff South East Richard Davies2,5855.13
Cardiff West D. J. Hughes4,37810.13
Cardiganshire Hywel ap Robert6,49819.73
Carmarthen Gwynfor Evans 14,81230.12
Conway Dafydd Elis-Thomas 4,31110.83
Denbigh E. Gwynn Matthews5,25411.04
East Flintshire Gwilym Hughes2,3324.44
Ebbw Vale Derek Baskerville1,8056.04
Gower Clifford Davies5,86914.03
Llanelli Carwyn James 8,38716.82
Merionethshire Dafydd Wigley 5,42524.32
Merthyr Tydfil Chris Rees 3,0769.64
Monmouth Stuart Neale1,5012.54
Montgomeryshire Edward Millward 3,14511.84
Neath Glyn John4,01210.13
Newport Bob Vickery1,9973.73
Ogmore Ted Merriman5,82811.73
Pembrokeshire Wynne Samuel 3,6816.74
Pontypool Harri Webb2,0535.33
Pontypridd E. Jones5,05910.44
Rhondda East Glyn James6,93124.32
Rhondda West Henry Victor Davies3,52814.12
Swansea East Roderick Evans 4,18810.23
Swansea West Guto ap Gwent3,0336.23
West Flintshire Ogwen Jones3,1086.94
Wrexham Cyril Golding2,8945.34

By-elections 1970–1974

ElectionCandidateVotes %Position
1972 Merthyr Tydfil by-election Emrys Roberts 11,85237.02

February 1974 general election

ConstituencyCandidateVotes %Position
Aberavon D. G. Foster5,89812.23
Aberdare Glyn Owen11,97329.92
Abertillery A. Richards3,11910.92
Anglesey Dafydd Iwan 7,61021.73
Barry Valerie Wynne-Williams1,9243.44
Bedwellty A. Moore3,0487.74
Brecon and Radnor Dafydd Noel Gittins2,0994.74
Caernarfon Dafydd Wigley 14,10340.51
Caerphilly Phil Williams 11,95627.52
Cardiff North P. Richards1,5864.64
Cardiff North West Colin Palfrey1,2273.44
Cardiff South East Keith Bush1,2543.05
Cardiff West Dafydd Hughes2,0935.54
Cardiganshire C. Davies4,75413.34
Carmarthen Gwynfor Evans 17,16234.32
Conway M. Farmer4,20310.14
Denbigh E. G. Matthews4,1038.14
East Flintshire Neil Taylor1,1352.04
Ebbw Vale J. D. Rogers1,7675.94
Gower J. N. Harris3,7418.34
Llanelli R. Williams6,02012.04
Merioneth Dafydd Elis-Thomas 7,82334.61
Merthyr Tydfil Emrys Roberts 7,33622.92
Monmouth Ted Spanswick9301.54
Montgomeryshire A. Jones2,2748.34
Neath Huw Evans8,75821.52
Newport P. Cox9361.64
Ogmore Ted Merriman5,1399.64
Pembrokeshire R. V. Davies2,8204.84
Pontypool Roger Tanner1,3083.14
Pontypridd Richard Anthony Kemp4,6128.64
Rhondda Glyn James6,73912.92
Swansea East John Graham Ball5,13511.93
Swansea West Derrick Hearne1,8593.64
West Flintshire Gwilym Hughes2,2964.44
Wrexham H. W. Roberts2,6244.54

October 1974 general election

ConstituencyCandidateVotes %Position
Aberavon G. Thomas4,0328.54
Aberdare Glyn Owen8,13321.32
Abertillery W. A. Richards2,4809.02
Anglesey Dafydd Iwan 6,41019.13
Barry Valerie Wynne-Williams1,7933.34
Bedwellty David Mogford3,0868.04
Brecon and Radnor Dafydd Noel Gittins2,3005.24
Caernarfon Dafydd Wigley 14,62442.61
Caerphilly Phil Williams 10,45224.52
Cardiff North P. Richards1,4644.64
Cardiff North West Colin Palfrey1,2783.74
Cardiff South East Keith Bush9832.44
Cardiff West Dafydd Hughes2,0085.54
Cardiganshire C. Davies4,58313.24
Carmarthen Gwynfor Evans 23,32545.11
Conway M. Farmer4,66811.84
Denbigh Ieuan Wyn Jones 5,75411.94
East Flintshire F. Evans1,7793.24
Ebbw Vale G. Robert2,1017.34
Gower M. Powell4,36910.04
Llanelli R. Williams6,79713.73
Merioneth Dafydd Elis-Thomas 9,54342.51
Merthyr Tydfil Emrys Roberts 4,45514.82
Monmouth T. Brimmacombe8391.44
Montgomeryshire A. P. Jones2,4409.34
Neath Huw Evans7,30517.92
Newport G. Lee1,2162.14
Ogmore D. I. Jones4,2908.44
Pembrokeshire R. V. Davies2,5804.54
Pontypool Roger Tanner2,2235.64
Pontypridd Richard Anthony Kemp3,9177.64
Rhondda D. Morgan4,1738.32
Swansea East John Graham Ball3,9789.54
Swansea West Guto ap Gwent1,7783.64
West Flintshire Neil Taylor2,3064.84
Wrexham H. W. Roberts2,8595.14

1979 general election

ConstituencyCandidateVotes %Position
Aberavon G. Thomas1,9543.84
Aberdare Phil Richards3,6529.83
Abertillery David Harries2,2487.93
Anglesey John Lasarus Williams 7,86320.33
Barry John Dixon 1,2812.14
Bedwellty T. Richards2,6486.63
Brecon and Radnor J. Power1,0312.24
Caernarfon Dafydd Wigley 17,42049.71
Caerphilly Phil Williams 6,93114.93
Cardiff North Owen John Thomas 1,0813.04
Cardiff North West Colin Palfrey7432.14
Cardiff South East Eric Roberts6281.63
Cardiff West A. Ogwen3,27210.42
Cardiganshire Dafydd Hughes5,38214.54
Carmarthen Gwynfor Evans 16,68932.02
Conway Emyr Price3,4978.64
Denbigh Ieuan Wyn Jones 4,9159.34
East Flintshire John Rogers1,1982.04
Ebbw Vale G. ap Roberts1,8846.54
Gower Eifion Thomas3,3577.24
Llanelli Hywel Roberts3,7937.44
Merioneth Dafydd Elis-Thomas 9,27540.81
Merthyr Tydfil Eurfyl ap Gwilym 2,9629.43
Monmouth G. Williams6411.04
Montgomeryshire Carl Iwan Clowes2,4409.34
Neath Aled Gwyn6,43015.33
Newport Bob Vickery4730.84
Ogmore D. I. Jones2,4504.44
Pembrokeshire Ron Dawe1,5732.54
Pontypool Bill Hyde1,1692.64
Pontypridd Elfed Roberts2,2003.84
Rhondda Glyn James4,2268.43
Swansea East John Graham Ball2,7326.04
Swansea West Guto ap Gwent1,0121.94
West Flintshire B. M. Edwards1,7203.24
Wrexham H. W. Roberts1,7402.84

By-elections 1979–1983

ElectionCandidateVotes %Position
1982 Gower by-election Ieuan Owen3,4318.74

1983 general election

ConstituencyCandidateVotes %Position
Aberavon Glenn Phillips1,8594.64
Alyn and Deeside Alan Shore4130.94
Blaenau Gwent Stephen Morgan1,6243.84
Brecon and Radnor Sian Rosmari Meredudd6401.74
Bridgend Keith Bush1,3123.24
Caernarfon Dafydd Wigley 18,30852.71
Caerphilly Lindsay Whittle 6,41413.64
Cardiff Central Andrew Paul Morgan7041.84
Cardiff North Dafydd Huws9742.44
Cardiff South and Penarth Sian Anghared Edwards6731.64
Cardiff West Meurig Parri8482.14
Carmarthen Gwynfor Evans 14,09927.13
Ceredigion and Pembroke North Cynog Dafis 6,07212.94
Clwyd North West Manon Rhys1,6693.74
Clwyd South West Toni Schiavone3,6848.64
Conwy Dafydd Iwan 4,10510.44
Cynon Valley Pauline Jarman 3,4219.34
Delyn Haydn Huws1,5583.24
Gower N. Williams1,4443.24
Islwyn Aneurin Richards1,5744.04
Llanelli Hywel Teifi Edwards 5,88012.24
Meirionnydd Nant Conwy Dafydd Elis-Thomas 9,70939.21
Merthyr Tydfil and Rhymney Gerald Howells2,0585.84
Monmouth Gwynddri Williams4931.14
Montgomeryshire Carl Iwan Clowes1,5855.34
Neath Ieuan Owen3,0467.24
Newport East David Thomas6971.74
Newport West Denis Watkins4771.14
Ogmore Ted Merriman3,1247.94
Pembrokeshire Osi Rhys Osmond 1,0732.04
Pontypridd Janet Marion Davies 2,0654.74
Rhondda Geraint Rhys Davies 4,84510.23
Swansea East C. Reid1,5313.74
Swansea West Meirion Pennar 7951.94
Torfaen Phyllis Cox8962.14
Vale of Glamorgan Andrew John Dixon 1,0682.34
Wrexham John Richard Thomas1,2392.64
Ynys Môn Ieuan Wyn Jones 13,33333.32

By-elections 1983–1987

ElectionCandidateVotes %Position
1984 Cynon Valley by-election Clayton Jones3,61911.03
1985 Brecon and Radnor by-election Janet Marion Davies 4351.14

1987 general election

ConstituencyCandidateVotes %Position
Aberavon Anne Louisa Howells1,1242.84
Alyn and Deeside John Dudley Rogers4781.04
Blaenau Gwent Stephen Morgan1,6213.84
Brecon and Radnor John Hamilton Davies5351.34
Bridgend Laura McAllister 1,0652.34
Caernarfon Dafydd Wigley 20,33857.11
Caerphilly Lindsay Whittle 3,9558.14
Cardiff Central Siân Mair Caiach5351.34
Cardiff North Eluned Mary Bush6921.64
Cardiff South and Penarth Sian Anghared Edwards5991.34
Cardiff West Peter John Keelan7361.74
Carmarthen Hywel Teifi Edwards 12,45723.03
Ceredigion and Pembroke North Cynog Dafis 7,84816.34
Clwyd North West Robert Karl Davies1,9664.04
Clwyd South West Eifion Lloyd Jones3,9878.44
Conwy Rhodri Davies3,1777.84
Cynon Valley Dorothy Louise Richards2,5496.74
Delyn David John Owen1,3292.54
Gower Jonathan Gwyn Mendus Edwards1,3412.84
Islwyn Aneurin Richards1,9324.84
Llanelli Adam Price 5,08810.24
Meirionnydd Nant Conwy Dafydd Elis-Thomas 10,39240.01
Merthyr Tydfil and Rhymney Janet Marion Davies 2,0854.74
Monmouth Sian Rosmari Meredudd3630.84
Montgomeryshire Carl Iwan Clowes1,4124.54
Neath Huw John2,7926.44
Newport East Gareth Butler4581.14
Newport West Digby John Bevan3770.84
Ogmore John Griffiths Jones1,7914.44
Pembrokeshire Osi Rhys Osmond 1,1192.04
Pontypridd Delme Bowen 2,4985.34
Rhondda Geraint Rhys Davies 4,2618.92
Swansea East C. Reid1,1452.74
Swansea West Nigel Williams9022.04
Torfaen Jill Evans 5771.34
Vale of Glamorgan Penri Gwyn Williams9461.84
Wrexham Dennis Ronald Watkins5391.14
Ynys Môn Ieuan Wyn Jones 18,58043.21

By-elections 1987–1992

ElectionCandidateVotes %Position
1989 Pontypridd by-election Syd Morgan 9,77525.32
1989 Vale of Glamorgan by-election Andrew John Dixon 1,6723.54
1991 Neath by-election Dewi Evans8,13223.32
1991 Monmouth by-election Melvin John Witherden2770.65

Witherden was a joint candidate with the Green Party of England and Wales.

1992 general election

ConstituencyCandidateVotes %Position
Aberavon David Saunders1,9194.84
Alyn and Deeside John D. Rogers5511.14
Blaenau Gwent Alun Davies 2,0994.84
Brecon and Radnor Sian Meredudd4180.94
Bridgend Alun Lloyd Jones1,3012.84
Caernarfon Dafydd Wigley 21,43959.01
Caerphilly Lindsay Whittle 4,8219.73
Cardiff Central Huw Marshall7481.74
Cardiff North Eluned Mary Bush9161.94
Cardiff South and Penarth Barbara Anglezarke7761.64
Cardiff West Penni Bestic1,1772.64
Carmarthen Rhodri Glyn Thomas 17,95731.52
Ceredigion and Pembroke North Cynog Dafis 16,02031.31
Clwyd North West Neil H. Taylor1,8883.64
Clwyd South West Eifion Lloyd Jones4,8359.84
Conwy Rhodri Davies3,1087.44
Cynon Valley Geraint Benney4,18611.03
Delyn Ashley J. Drake1,4142.64
Gower Adam Price 1,6582.84
Islwyn Helen Mary Jones 1,6363.94
Llanelli Marc Phillips 7,87815.63
Meirionnydd Nant Conwy Elfyn Llwyd 11,60844.01
Merthyr Tydfil and Rhymney Alun Cox2,7046.14
Monmouth Melvin Witherden4310.94
Montgomeryshire Hugh Parsons1,5814.84
Neath Dewi Evans5,14511.33
Newport East Stephen Ainley7161.74
Newport West Peter John Keelan6531.44
Ogmore Laura McAllister 2,6676.34
Pembrokeshire Conrad Bryant1,6272.74
Pontypridd Delme Bowen 4,4489.13
Rhondda Geraint Rhys Davies 5,42711.82
Swansea East Eleanor Bonner-Evans1,6073.64
Swansea West David Lloyd 1,6683.84
Torfaen John Cox1,2102.64
Vale of Glamorgan David Haswell1,1602.14
Wrexham Gareth Wheatley1,4152.84
Ynys Môn Ieuan Wyn Jones 15,98437.11

By-elections 1992–1997

ElectionCandidateVotes %Position
1995 Islwyn by-election Jocelyn Davies 2,93312.72

1997 general election

ConstituencyCandidateVotes %Position
Aberavon Philip Cockwell2,0885.84
Alyn and Deeside Siw Hills7381.85
Blaenau Gwent Jim Criddle2,0725.24
Brecon and Radnorshire Steven Cornelius6221.55
Bridgend Dennis Watkins1,6493.85
Caerphilly Lindsay Whittle 4,3839.73
Caernarfon Dafydd Wigley 17,61651.01
Cardiff Central Wayne Vernon1,5043.65
Cardiff North Colin Palfrey1,2012.54
Cardiff South and Penarth David Haswell1,3563.25
Cardiff West Gwenllian Carr1,9494.84
Carmarthen East and Dinefwr Rhodri Glyn Thomas 14,45734.62
Carmarthen West and South Pembrokeshire Roy Llewellyn5,40212.73
Ceredigion Cynog Dafis 16,72841.61
Clwyd South Gareth Williams2,5006.34
Clwyd West Eryl Williams5,42113.53
Conwy Rhodri Vaughan Davies2,8446.84
Cynon Valley Alun Davies 3,55210.62
Delyn Ashley J. Drake1,5583.84
Gower D. Elwyn Williams2,2265.14
Islwyn Darren Jones2,2726.24
Llanelli Marc Phillips 7,81219.02
Meirionnydd Nant Conwy Elfyn Llwyd 12,46550.71
Merthyr Tydfil Alun G. Cox2,3446.04
Monmouth Alan Cotton5161.15
Montgomeryshire Helen Mary Jones 1,6085.04
Neath Trefor Jones3,3448.13
Newport East Christopher Holland7211.96
Newport West Huw Jackson6481.65
Ogmore John Rogers2,6797.04
Pontypridd Owain Llewelyn2,9776.54
Preseli Pembrokeshire Alun Lloyd Jones2,6836.34
Rhondda Leanne Wood 5,45013.42
Swansea East Michelle Pooley1,3083.44
Swansea West Dai Lloyd2,6756.64
Torfaen Robert W. Gough1,0422.45
Vale of Clwyd Gwyneth Kensler2,3015.94
Vale of Glamorgan Melanie Corp1,3932.64
Wrexham Kevin Plant1,1703.25
Ynys Môn Ieuan Wyn Jones 15,75639.51

By-elections 1997–2001

ElectionCandidateVotes %Position
2000 Ceredigion by-election Simon George Thomas 10,71642.81

2001 general election

ConstituencyCandidateVotes %Position
Aberavon Lisa Turnbull2,9559.82
Alyn and Deeside Richard Coombs1,1823.34
Blaenau Gwent Adam John Rykala3,54211.22
Brecon and Radnorshire Brynach Parri1,3013.54
Bridgend Monica Emma Mahoney2,6537.24
Caerphilly Lindsay Whittle 8,17221.02
Caernarfon Hywel Williams 12,89444.41
Cardiff Central Richard Rhys Grigg1,6804.84
Cardiff North Sion Tomos Jobbins2,4715.74
Cardiff South and Penarth Lila Eilis Maire Haines1,9835.54
Cardiff West Delme Bowen 3,2969.74
Carmarthen East and Dinefwr Adam Robert Price 16,13042.41
Carmarthen West and South Pembrokeshire Llyr Huws Gruffydd 6,89318.73
Ceredigion Simon Thomas 13,24138.31
Clwyd South Dyfed Wyn Edwards3,98211.93
Clwyd West Huw Elfed Williams4,45312.93
Conwy Ann Owen5,66516.54
Cynon Valley Steven J. Cornelius4,68717.42
Delyn Paul John Rowlinson2,2626.54
Gower Siân Mair Caiach3,86510.34
Islwyn Leigh Thomas3,76711.93
Llanelli Dyfan Rhys Jones11,18330.92
Meirionnydd Nant Conwy Elfyn Llwyd 10,45949.61
Merthyr Tydfil Robert Hughes4,65114.72
Monmouth Marc Hubbard1,0682.44
Montgomeryshire David Senior1,9696.84
Neath Alun Llewelyn6,43718.42
Newport East Madoc Batcup1,5194.94
Newport West Anthony Salkeld2,5107.24
Ogmore Angela Pulman4,25914.02
Pontypridd Bleddyn Hancock5,27913.82
Preseli Pembrokeshire Rhys Sinnett4,65812.73
Rhondda Leanne Wood 7,18321.12
Swansea East John Ball3,46411.54
Swansea West Ian Titherington3,40410.64
Torfaen Stephen Paul Smith2,7207.74
Vale of Clwyd John Williams2,3007.14
Vale of Glamorgan Chris Franks 2,8676.34
Wrexham Malcolm William Evans1,7835.94
Ynys Môn Eilian Williams11,10632.62

By-elections 2001–2005

ElectionCandidateVotes %Position
2002 Ogmore by-election Bleddyn Hancock3,82720.82

2005 general election

ConstituencyCandidateVotes %Position
Aberavon Philip Evans3,54511.83
Alyn and Deeside Richard Coombs1,3203.74
Blaenau Gwent John Price8432.44
Brecon and Radnorshire Mabon ap Gwynfor1,4043.74
Bridgend Gareth Clubb2,5276.74
Caerphilly Lindsay Whittle 6,83117.42
Caernarfon Hywel Williams 12,74745.51
Cardiff Central Richard Rhys Grigg1,2713.54
Cardiff North John Rowlands1,9364.34
Cardiff South and Penarth Jason Toby2,0235.54
Cardiff West Neil McEvoy4,31612.54
Carmarthen East and Dinefwr Adam Robert Price 17,56145.91
Carmarthen West and South Pembrokeshire John Dixon5,58214.73
Ceredigion Simon Thomas 12,91135.92
Clwyd South Mark Strong3,1119.44
Clwyd West Eilian Williams3,87410.94
Conwy Paul Rowlinson3,73011.14
Cynon Valley Geraint Benney3,81514.32
Delyn Phil Thomas2,5247.44
Gower Siân Mair Caiach3,0897.84
Islwyn Jim Criddle3,94712.82
Llanelli Neil Baker9,35826.52
Meirionnydd Nant Conwy Elfyn Llwyd 10,59751.31
Merthyr Tydfil Noel Turner2,9729.94
Monmouth Jonathan Clark9932.24
Montgomeryshire Ellen ap Gwynn2,0786.94
Neath Geraint Owen 6,12517.12
Newport East Mohammad Asghar 1,2213.84
Newport West Anthony Salkeld1,2783.64
Ogmore John Williams3,14810.44
Pontypridd Julie Richards4,42011.24
Preseli Pembrokeshire Matt Mathias4,75212.34
Rhondda Percy Jones4,95615.92
Swansea East Carolyn Shan Couch2,1296.94
Swansea West Harri Roberts2,1506.54
Torfaen Aneurin Preece2,2426.24
Vale of Clwyd Mark Jones2,3097.14
Vale of Glamorgan Barry Shaw2,4235.14
Wrexham Sion Owen1,7445.74
Ynys Môn Eurig Wyn 11,03631.12

By-elections 2005–2010

ElectionCandidateVotes %Position
2006 Blaenau Gwent by-election Steffan Lewis1,7556.53

2010 general election

ConstituencyCandidateVotes %Position
Aberavon Paul Nicholls-Jones2,1987.14
Aberconwy Phil Edwards5,34117.84
Alyn and Deeside Maurice Jones1,5493.94
Arfon Hywel Williams 9,38336.01
Blaenau Gwent Rhodri Davies1,3334.15
Brecon and Radnorshire Janet Davies9892.54
Bridgend Nicholas Thomas2,2695.94
Caerphilly Lindsay Whittle 6,46016.73
Cardiff Central Chris Williams1,2463.44
Cardiff North Llewelyn Rhys1,5883.34
Cardiff South and Penarth Farida Aslam1,8514.24
Cardiff West Mohammad Sarul Islam2,8687.04
Carmarthen East and Dinefwr Jonathan Edwards 13,54635.61
Carmarthen West and South Pembrokeshire John Dixon4,23210.44
Ceredigion Penri James10,81528.32
Clwyd South Janet Ryder3,0098.74
Clwyd West Llyr Huws Gruffydd 5,86415.43
Cynon Valley Dafydd Trystan Davies 6,06420.32
Delyn Peter Ryder1,8445.04
Dwyfor Meirionydd Elfyn Llwyd 12,81444.31
Gower Darren Price2,7606.64
Islwyn Steffan Lewis4,51813.03
Llanelli Myfanwy Davies11,21529.92
Merthyr Tydfil Glyndwr Jones 1,6215.15
Monmouth Jonathan Clark1,2732.74
Montgomeryshire Heledd Fychan2,8028.33
Neath Alun Llewelyn7,39719.92
Newport East Fiona Cross7242.15
Newport West Jeff Rees1,1222.86
Ogmore Danny Clark3,3269.64
Pontypridd Ioan Bellin2,6737.34
Preseli Pembrokeshire Henry Jones-Davies3,6549.24
Rhondda Geraint Davies 5,63018.12
Swansea East Dic Jones2,1816.74
Swansea West Harri Roberts1,4374.04
Torfaen Rhys ab Elis2,0055.34
Vale of Clwyd Caryl Wyn-Jones2,0685.84
Vale of Glamorgan Ian James Johnson2,6675.54
Wrexham Arfon Jones2,0296.24
Ynys Môn Dylan Rees9,02926.22

By-elections 2010–2015

ElectionCandidateVotes %Position
2012 Cardiff South and Penarth by-election Luke Nicholas1,8549.54

2015 general election

ConstituencyCandidateVotes %Position
Aberavon Duncan Higgitt3,66311.64
Aberconwy Dafydd Meurig3,53611.73
Alyn and Deeside Jacqueline Ann Hurst1,6083.95
Arfon Hywel Williams 11,79043.91
Blaenau Gwent Steffan Lewis 2,8499.04
Brecon and Radnorshire Freddy Greaves1,7674.45
Bridgend James Christopher Radcliffe2,7847.14
Caerphilly Beci Newton5,89514.64
Cardiff Central Martin Pollard1,9255.06
Cardiff North Elin Walker Jones2,3014.54
Cardiff South and Penarth Ben Foday3,4337.44
Cardiff West Neil McEvoy 6,09613.93
Carmarthen East and Dinefwr Jonathan Edwards 15,14038.41
Carmarthen West and South Pembrokeshire Elwyn Williams4,20110.44
Ceredigion Mike Parker 10,34727.72
Clwyd South Mabon ap Gwynfor3,62010.34
Clwyd West Marc Jones4,65112.24
Cynon Valley Cerith Griffiths5,12616.82
Delyn Paul Rowlinson1,8034.84
Dwyfor Meirionydd Liz Saville-Roberts 11,81140.91
Gower Darren Thomas3,0517.14
Islwyn Lyn Ackerman3,79410.74
Llanelli Vaughan Williams8,85323.02
Merthyr Tydfil Rhayna Pritchard3,0999.54
Monmouth Jonathan Clark1,8753.95
Montgomeryshire Ann Griffith1,7455.25
Neath Daniel Thomas6,72218.12
Newport East Tony Salkeld1,2313.55
Newport West Simon Coopey1,6044.04
Ogmore Tim Thomas3,55610.14
Pontypridd Osian Lewis4,34811.55
Preseli Pembrokeshire John Osmond2,5186.25
Rhondda Shelley Rees-Owen8,52127.02
Swansea East Dic Jones3,49810.44
Swansea West Harri Roberts2,2666.45
Torfaen Boydd Hackley-Green2,1695.74
Vale of Clwyd Mair Rowlands2,4867.14
Vale of Glamorgan Ian James Johnson2,8695.64
Wrexham Carrie Harper2,5017.64
Ynys Môn John Rowlands10,64230.52

By-elections 2015–2017

ElectionCandidateVotes %Position
2016 Ogmore by-election Abi Thomas3,68315.73

2017 general election

ConstituencyCandidateVotes %Position
Aberavon Andrew Bennison2,7618.33
Aberconwy Wyn Elis Jones3,1709.93
Alyn and Deeside Jacqueline Ann Hurst1,1712.63
Arfon Hywel Williams 11,51940.81
Blaenau Gwent Nigel Copner6,88021.22
Brecon and Radnorshire Kate Heneghan1,2993.14
Bridgend Rhys Watkins1,7834.13
Caerphilly Lindsay Whittle 5,96214.43
Cardiff Central Mark Hooper9992.54
Cardiff North Steffan Webb1,7383.33
Cardiff South and Penarth Ian Titherington2,1624.33
Cardiff West Michael Deem4,4189.53
Carmarthen East and Dinefwr Jonathan Edwards 16,12739.31
Carmarthen West and South Pembrokeshire Abi Thomas3,9339.33
Ceredigion Ben Lake 11,62329.21
Clwyd South Christopher Allen2,2926.13
Clwyd West Dilwyn Roberts3,9189.63
Cynon Valley Liz Walters4,37613.83
Delyn Paul Rowlinson1,4813.83
Dwyfor Meirionydd Liz Saville-Roberts 13,68745.11
Gower Harri Roberts1,6693.73
Islwyn Darren Jones2,7397.63
Llanelli Mari Arthur7,35118.23
Merthyr Tydfil and Rhymney Amy Kitcher2,7408.23
Monmouth Carole Damon1,3382.74
Montgomeryshire Aled Hughes1,9605.64
Neath Daniel Williams5,33913.93
Newport East Cameron Wixcey8812.45
Newport West Morgan Bowler-Brown1,0772.54
Ogmore Huw Marshall2,7967.53
Pontypridd Fflur Elin4,10210.33
Preseli Pembrokeshire Owain Llŷr Williams2,7116.43
Rhondda Branwen Cennard7,35022.32
Swansea East Steffan Phillips1,6894.83
Swansea West Rhydian Fitter1,5294.13
Torfaen Jeff Rees2,0595.43
Vale of Clwyd David Wyatt1,5514.03
Vale of Glamorgan Ian Johnson2,2954.33
Wrexham Carrie Harper1,7535.03
Ynys Môn Ieuan Wyn Jones 10,23727.43

By-elections 2017–2019

ElectionCandidateVotes %Position
2019 Newport West by-election Jonathan Clarke1,1855.04

2019 general election

ConstituencyCandidateVotes %Position
Aberavon Nigel Hunt2,7118.64
Aberconwy Lisa Goodier2,7048.53
Alyn and Deeside Susan Hills1,4533.45
Arfon Hywel Williams 13,13445.21
Blaenau Gwent Peredur Owen Griffiths1,7225.74
Bridgend Leanne Lewis2,0134.84
Caerphilly Lindsay Whittle 6,42416.03
Cardiff North Rhys Taylor3,5806.83
Cardiff South and Penarth Nasir Adam2,3864.74
Cardiff West Boyd Clack 3,8648.43
Carmarthen East and Dinefwr Jonathan Edwards 15,93938.91
Carmarthen West and South Pembrokeshire Rhys Thomas3,6338.63
Ceredigion Ben Lake 15,20837.91
Clwyd South Christopher Allen2,1375.93
Clwyd West Elfed Williams3,9079.73
Cynon Valley Geraint Benney2,5628.54
Delyn Paul Rowlinson1,4063.75
Dwyfor Meirionydd Liz Saville-Roberts 14,44748.31
Gower John Davies2,2885.13
Islwyn Zoe Hammond2,2876.74
Llanelli Mari Arthur7,04818.43
Merthyr Tydfil and Rhymney Mark Evans2,4497.64
Monmouth Hugh Kocan1,1822.45
Neath Daniel Williams4,49512.23
Newport East Cameron Wixcey8722.45
Newport West Morgan Bowler-Brown1,1872.75
Ogmore Luke Fletcher2,9198.34
Pontypridd Fflur Elin4,99012.83
Preseli Pembrokeshire Cris Tomos2,7766.53
Rhondda Branwen Cennard4,06913.73
Swansea East Geraint Havard1,9075.74
Swansea West Gwyn Williams1,9845.54
Torfaen Morgan Bowler-Brown1,4413.94
Vale of Clwyd Glenn Swingler1,5524.23
Wrexham Carrie Harper2,1516.43
Ynys Môn Aled ap Dafydd10,41828.53

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References

  1. Craig, F. W. S. (1968). British Parliamentary Election Statistics 1918-1968 . Glasgow: Political Reference Publications. p.  46. ISBN   0900178000.