Notional results for a UK general election on 12 December 2019 Wales - by turnout

Parties Constituencies Majorities Vote shares of winning candidates Turnouts

A notional general election to the 58th Parliament of the United Kingdom with an electorate of 47,558,398, having 32,014,119 valid votes.

Ranking Constituency Winning party Valid vote count Electorate Turnout (valid vote count / electorate)
1 Cardiff North Lab 54,709 71,143 76.9%
2 Caerfyrddin Con 53,342 72,683 73.4%
3 Monmouthshire Con 52,872 72,681 72.7%
4 Brecon, Radnor and Cwm Tawe Con 52,276 72,113 72.5%
5 Mid and South Pembrokeshire Con 54,971 76,820 71.6%
6 Vale of Glamorgan Con 49,993 70,426 71.0%
7 Gower Lab 54,231 76,801 70.6%
8 Cardiff West Lab 51,941 73,947 70.2%
9 Ceredigion Preseli PC 51,667 74,063 69.8%
10 Ynys Môn Con 36,552 52,415 69.7%
11 Cardiff South and Penarth Lab 50,370 72,269 69.7%
12 Dwyfor Meirionnydd PC 50,518 72,533 69.6%
13 Alyn and Deeside Lab 52,350 75,695 69.2%
14 Clwyd East Con 52,820 76,395 69.1%
15 Montgomeryshire and Glyndŵr Con 51,208 74,223 69.0%
16 Bangor Aberconwy Con 48,407 70,468 68.7%
17 Clwyd North Con 51,289 76,150 67.4%
18 Wrexham Con 47,123 70,964 66.4%
19 Bridgend Con 46,708 70,770 66.0%
20 Cardiff East Lab 46,781 72,463 64.6%
21 Newport West and Islwyn Lab 48,537 76,234 63.7%
22 Aberafan Maesteg Lab 44,423 69,817 63.6%
23 Llanelli Lab 43,892 69,895 62.8%
24 Caerphilly Lab 45,069 72,458 62.2%
25 Pontypridd Lab 45,579 73,743 61.8%
26 Torfaen Lab 43,553 70,591 61.7%
27 Newport East Lab 46,405 76,159 60.9%
28 Neath and Swansea East Lab 44,824 74,705 60.0%
29 Swansea West Lab 44,199 74,612 59.2%
30 Blaenau Gwent and Rhymney Lab 42,094 71,079 59.2%
31 Rhondda and Ogmore Lab 42,549 73,557 57.8%
32 Merthyr Tydfil and Aberdare Lab 43,106 74,805 57.6%

Estimates of the 2019 general election result in new constituencies

BBC News, ITV News, Sky News and the Press Association have together produced estimates of the 2019 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Scotland, Wales and Northern Ireland had then been in existence.

Rallings & Thrasher, Professor David Denver (Scotland), Nicholas Whyte (NI) for Sky News, PA, BBC News and ITV News.

An explanation of the methods used and the electoral impact of the changes can be found in the linked document.