Open SeneddCymraeg

Casnewydd Islwyn

One of Wales's 16 Senedd constituencies. It is made up of 132 neighbourhoods of about 1,600 people each, and six Members represent it in the Senedd.

Who represents it

Town and country

Of its 132 neighbourhoods, 117 are in towns and cities, 10 are small towns or on the edge of towns, and 5 are villages or open countryside.

Across Wales, 16% of neighbourhoods are villages or countryside.

Abercarn 1: Town or cityAbercarn 2: Town or cityAbercarn 3: Town or cityArgoed (Caerphilly) 1: Small town or edge of townArgoed (Caerphilly) 2: Village or countrysideBlackwood 1: Town or cityBlackwood 2: Town or cityBlackwood 3: Town or cityBlackwood 4: Town or cityBlackwood 5: Town or cityCefn Fforest 1: Town or cityCefn Fforest 2: Town or cityCrosskeys 1: Town or cityCrosskeys 2: Town or cityCrumlin 1: Town or cityCrumlin 2: Town or cityCrumlin 3: Small town or edge of townCrumlin 4: Town or cityNewbridge 1: Town or cityNewbridge 2: Town or cityNewbridge 3: Town or cityNewbridge 4: Town or cityPenmaen 1: Town or cityPenmaen 2: Town or cityPenmaen 3: Town or cityRisca East 1: Town or cityRisca East 2: Town or cityRisca East 3: Town or cityRisca East 4: Town or cityRisca West 1: Town or cityRisca West 2: Town or cityRisca West 3: Town or cityAllt-yr-yn 1: Town or cityAllt-yr-yn 2: Town or cityAllt-yr-yn 3: Town or cityAllt-yr-yn 4: Town or cityAllt-yr-yn 5: Town or cityAllt-yr-yn 6: Town or cityAlway 1: Town or cityAlway 2: Town or cityAlway 3: Town or cityAlway 4: Town or cityAlway 5: Town or cityAlway 6: Town or cityBeechwood 1: Town or cityBeechwood 2: Town or cityBeechwood 3: Town or cityBeechwood 4: Town or cityBeechwood 5: Town or cityBettws (Newport) 1: Town or cityBettws (Newport) 2: Town or cityBettws (Newport) 3: Town or cityBettws (Newport) 4: Town or cityBettws (Newport) 5: Town or cityBettws (Newport) 6: Town or cityCaerleon 1: Small town or edge of townCaerleon 2: Small town or edge of townCaerleon 3: Small town or edge of townCaerleon 4: Small town or edge of townCaerleon 5: Small town or edge of townCaerleon 6: Small town or edge of townGaer 1: Town or cityGaer 2: Town or cityGaer 3: Town or cityGaer 4: Town or cityGaer 5: Town or cityGaer 6: Town or cityGraig 1: Town or cityGraig 2: Town or cityGraig 3: Town or cityGraig 4: Town or cityLangstone 1: Town or cityLangstone 2: Village or countrysideLangstone 3: Town or cityLiswerry 1: Town or cityLiswerry 2: Town or cityLiswerry 4: Town or cityLiswerry 5: Town or cityLiswerry 7: Town or cityLlanwern 2: Small town or edge of townMalpas 1: Town or cityMalpas 2: Town or cityMalpas 3: Town or cityMalpas 4: Town or cityMalpas 5: Town or cityMarshfield 2: Village or countrysideMarshfield 3: Small town or edge of townPillgwenlly 1: Town or cityPillgwenlly 2: Town or cityPillgwenlly 3: Town or cityPillgwenlly 4: Town or cityRingland 1: Town or cityRingland 2: Town or cityRingland 3: Town or cityRingland 4: Town or cityRingland 5: Town or cityRingland 6: Town or cityRogerstone 1: Town or cityRogerstone 2: Town or cityRogerstone 3: Town or cityRogerstone 5: Town or cityRogerstone 6: Town or citySt Julians 1: Town or citySt Julians 2: Town or citySt Julians 3: Town or citySt Julians 4: Town or citySt Julians 5: Town or citySt Julians 6: Town or cityShaftesbury 1: Town or cityShaftesbury 2: Town or cityShaftesbury 3: Town or cityShaftesbury 4: Town or cityStow Hill 1: Town or cityStow Hill 2: Town or cityStow Hill 3: Town or cityTredegar Park 2: Town or cityVictoria 1: Town or cityVictoria 2: Town or cityVictoria 3: Town or cityVictoria 4: Town or cityMarshfield 4: Village or countrysideMarshfield 5: Town or cityLlanwern 3: Town or cityLlanwern 4: Village or countrysideRogerstone 7: Town or cityRogerstone 8: Town or cityLiswerry 8: Town or cityLiswerry 9: Town or cityLiswerry 10: Town or cityLlanwern 5: Town or cityTredegar Park 3: Town or cityTredegar Park 4: Town or city
Town and country
  • Town or city
  • Small town or edge of town
  • Village or countryside

Welsh speakers

In the 2021 census, about 8% of people here aged three or over said they could speak Welsh. Across Wales it was about 18%.

In none of its neighbourhoods do 40% or more speak Welsh.

The highest share is in Argoed (Caerphilly) 2, at 12.3%.

Abercarn 1: 11.9% speak WelshAbercarn 2: 11.5% speak WelshAbercarn 3: 9.6% speak WelshArgoed (Caerphilly) 1: 8.1% speak WelshArgoed (Caerphilly) 2: 12.3% speak WelshBlackwood 1: 8.3% speak WelshBlackwood 2: 6.8% speak WelshBlackwood 3: 11.8% speak WelshBlackwood 4: 8.4% speak WelshBlackwood 5: 6.9% speak WelshCefn Fforest 1: 6.2% speak WelshCefn Fforest 2: 6.0% speak WelshCrosskeys 1: 8.9% speak WelshCrosskeys 2: 7.7% speak WelshCrumlin 1: 6.9% speak WelshCrumlin 2: 8.8% speak WelshCrumlin 3: 8.5% speak WelshCrumlin 4: 7.9% speak WelshNewbridge 1: 8.0% speak WelshNewbridge 2: 7.3% speak WelshNewbridge 3: 8.2% speak WelshNewbridge 4: 10.1% speak WelshPenmaen 1: 10.5% speak WelshPenmaen 2: 8.6% speak WelshPenmaen 3: 8.3% speak WelshRisca East 1: 7.1% speak WelshRisca East 2: 5.7% speak WelshRisca East 3: 7.2% speak WelshRisca East 4: 8.3% speak WelshRisca West 1: 7.8% speak WelshRisca West 2: 7.2% speak WelshRisca West 3: 7.6% speak WelshAllt-yr-yn 1: 9.2% speak WelshAllt-yr-yn 2: 8.5% speak WelshAllt-yr-yn 3: 9.9% speak WelshAllt-yr-yn 4: 10.3% speak WelshAllt-yr-yn 5: 8.7% speak WelshAllt-yr-yn 6: 8.8% speak WelshAlway 1: 10.0% speak WelshAlway 2: 7.1% speak WelshAlway 3: 7.9% speak WelshAlway 4: 7.0% speak WelshAlway 5: 7.9% speak WelshAlway 6: 5.9% speak WelshBeechwood 1: 5.9% speak WelshBeechwood 2: 8.7% speak WelshBeechwood 3: 6.8% speak WelshBeechwood 4: 6.9% speak WelshBeechwood 5: 8.5% speak WelshBettws (Newport) 1: 6.5% speak WelshBettws (Newport) 2: 6.0% speak WelshBettws (Newport) 3: 6.0% speak WelshBettws (Newport) 4: 8.0% speak WelshBettws (Newport) 5: 6.5% speak WelshBettws (Newport) 6: 6.2% speak WelshCaerleon 1: 8.2% speak WelshCaerleon 2: 7.7% speak WelshCaerleon 3: 7.7% speak WelshCaerleon 4: 9.4% speak WelshCaerleon 5: 9.1% speak WelshCaerleon 6: 5.9% speak WelshGaer 1: 5.9% speak WelshGaer 2: 5.3% speak WelshGaer 3: 5.7% speak WelshGaer 4: 5.7% speak WelshGaer 5: 6.5% speak WelshGaer 6: 8.3% speak WelshGraig 1: 7.3% speak WelshGraig 2: 9.8% speak WelshGraig 3: 8.1% speak WelshGraig 4: 9.6% speak WelshLangstone 1: 9.1% speak WelshLangstone 2: 6.6% speak WelshLangstone 3: 8.8% speak WelshLiswerry 1: 6.5% speak WelshLiswerry 2: 7.0% speak WelshLiswerry 4: 6.4% speak WelshLiswerry 5: 10.1% speak WelshLiswerry 7: 5.9% speak WelshLlanwern 2: 6.9% speak WelshMalpas 1: 6.8% speak WelshMalpas 2: 4.3% speak WelshMalpas 3: 6.6% speak WelshMalpas 4: 6.8% speak WelshMalpas 5: 6.9% speak WelshMarshfield 2: 8.6% speak WelshMarshfield 3: 9.4% speak WelshPillgwenlly 1: 4.6% speak WelshPillgwenlly 2: 8.0% speak WelshPillgwenlly 3: 6.2% speak WelshPillgwenlly 4: 8.7% speak WelshRingland 1: 5.6% speak WelshRingland 2: 5.8% speak WelshRingland 3: 7.0% speak WelshRingland 4: 7.4% speak WelshRingland 5: 5.3% speak WelshRingland 6: 7.4% speak WelshRogerstone 1: 7.8% speak WelshRogerstone 2: 10.1% speak WelshRogerstone 3: 7.4% speak WelshRogerstone 5: 7.0% speak WelshRogerstone 6: 7.5% speak WelshSt Julians 1: 7.0% speak WelshSt Julians 2: 8.5% speak WelshSt Julians 3: 6.1% speak WelshSt Julians 4: 7.6% speak WelshSt Julians 5: 11.3% speak WelshSt Julians 6: 10.3% speak WelshShaftesbury 1: 8.1% speak WelshShaftesbury 2: 5.8% speak WelshShaftesbury 3: 8.3% speak WelshShaftesbury 4: 9.7% speak WelshStow Hill 1: 7.1% speak WelshStow Hill 2: 8.9% speak WelshStow Hill 3: 4.6% speak WelshTredegar Park 2: 10.7% speak WelshVictoria 1: 7.4% speak WelshVictoria 2: 4.6% speak WelshVictoria 3: 6.3% speak WelshVictoria 4: 4.6% speak WelshMarshfield 4: 6.7% speak WelshMarshfield 5: 10.2% speak WelshLlanwern 3: 8.3% speak WelshLlanwern 4: 6.6% speak WelshRogerstone 7: 7.7% speak WelshRogerstone 8: 9.8% speak WelshLiswerry 8: 6.3% speak WelshLiswerry 9: 8.4% speak WelshLiswerry 10: 6.4% speak WelshLlanwern 5: 7.7% speak WelshTredegar Park 3: 8.8% speak WelshTredegar Park 4: 10.0% speak Welsh
Share who can speak Welsh
  • Under 10%
  • 10 to 20%
  • 20 to 40%
  • 40 to 60%
  • 60% or more

Deprivation

The Welsh Government ranks every neighbourhood in Wales, from the most deprived (1) to the least deprived (1,917). It looks at income, jobs, health, education, housing, access to services, safety and the local environment. It describes places, not people: not everyone in a deprived area is poor, and many people on low incomes live elsewhere.

20 of the neighbourhoods here are among the 10% most deprived in Wales, and 12 are among the 10% least deprived. If deprivation were spread evenly, you would expect about 13 of each.

The most deprived is Pillgwenlly 1, ranked 37 of 1,917. The least deprived is Graig 4, ranked 1,891.

Better or worse than the middle of Wales

The rank of the middle neighbourhood here on each measure. Dots to the left of the line are more deprived than the middle of Wales; dots to the right are less deprived.

← More deprivedLess deprived →
  • Income
  • Jobs
  • Health
  • Education
  • Access to services
  • Housing
  • Community safety
  • Local environment

Compared with the rest of Wales, it does worst on the local environment and best on access to services.

Abercarn 1: deprivation rank 1,284 of 1,917Abercarn 2: deprivation rank 925 of 1,917Abercarn 3: deprivation rank 697 of 1,917Argoed (Caerphilly) 1: deprivation rank 276 of 1,917Argoed (Caerphilly) 2: deprivation rank 907 of 1,917Blackwood 1: deprivation rank 975 of 1,917Blackwood 2: deprivation rank 332 of 1,917Blackwood 3: deprivation rank 1,678 of 1,917Blackwood 4: deprivation rank 987 of 1,917Blackwood 5: deprivation rank 1,608 of 1,917Cefn Fforest 1: deprivation rank 296 of 1,917Cefn Fforest 2: deprivation rank 376 of 1,917Crosskeys 1: deprivation rank 1,140 of 1,917Crosskeys 2: deprivation rank 591 of 1,917Crumlin 1: deprivation rank 1,601 of 1,917Crumlin 2: deprivation rank 1,400 of 1,917Crumlin 3: deprivation rank 177 of 1,917Crumlin 4: deprivation rank 901 of 1,917Newbridge 1: deprivation rank 1,217 of 1,917Newbridge 2: deprivation rank 162 of 1,917Newbridge 3: deprivation rank 1,019 of 1,917Newbridge 4: deprivation rank 658 of 1,917Penmaen 1: deprivation rank 1,748 of 1,917Penmaen 2: deprivation rank 1,029 of 1,917Penmaen 3: deprivation rank 1,569 of 1,917Risca East 1: deprivation rank 1,117 of 1,917Risca East 2: deprivation rank 389 of 1,917Risca East 3: deprivation rank 1,263 of 1,917Risca East 4: deprivation rank 550 of 1,917Risca West 1: deprivation rank 832 of 1,917Risca West 2: deprivation rank 781 of 1,917Risca West 3: deprivation rank 630 of 1,917Allt-yr-yn 1: deprivation rank 1,850 of 1,917Allt-yr-yn 2: deprivation rank 233 of 1,917Allt-yr-yn 3: deprivation rank 1,836 of 1,917Allt-yr-yn 4: deprivation rank 1,248 of 1,917Allt-yr-yn 5: deprivation rank 1,651 of 1,917Allt-yr-yn 6: deprivation rank 919 of 1,917Alway 1: deprivation rank 1,495 of 1,917Alway 2: deprivation rank 72 of 1,917Alway 3: deprivation rank 1,470 of 1,917Alway 4: deprivation rank 113 of 1,917Alway 5: deprivation rank 337 of 1,917Alway 6: deprivation rank 836 of 1,917Beechwood 1: deprivation rank 770 of 1,917Beechwood 2: deprivation rank 1,067 of 1,917Beechwood 3: deprivation rank 227 of 1,917Beechwood 4: deprivation rank 1,009 of 1,917Beechwood 5: deprivation rank 1,521 of 1,917Bettws (Newport) 1: deprivation rank 82 of 1,917Bettws (Newport) 2: deprivation rank 133 of 1,917Bettws (Newport) 3: deprivation rank 97 of 1,917Bettws (Newport) 4: deprivation rank 401 of 1,917Bettws (Newport) 5: deprivation rank 193 of 1,917Bettws (Newport) 6: deprivation rank 568 of 1,917Caerleon 1: deprivation rank 1,587 of 1,917Caerleon 2: deprivation rank 1,754 of 1,917Caerleon 3: deprivation rank 1,523 of 1,917Caerleon 4: deprivation rank 1,593 of 1,917Caerleon 5: deprivation rank 1,819 of 1,917Caerleon 6: deprivation rank 431 of 1,917Gaer 1: deprivation rank 1,283 of 1,917Gaer 2: deprivation rank 377 of 1,917Gaer 3: deprivation rank 1,496 of 1,917Gaer 4: deprivation rank 651 of 1,917Gaer 5: deprivation rank 157 of 1,917Gaer 6: deprivation rank 532 of 1,917Graig 1: deprivation rank 1,663 of 1,917Graig 2: deprivation rank 1,774 of 1,917Graig 3: deprivation rank 1,542 of 1,917Graig 4: deprivation rank 1,891 of 1,917Langstone 1: deprivation rank 1,621 of 1,917Langstone 2: deprivation rank 1,647 of 1,917Langstone 3: deprivation rank 1,644 of 1,917Liswerry 1: deprivation rank 375 of 1,917Liswerry 2: deprivation rank 323 of 1,917Liswerry 4: deprivation rank 552 of 1,917Liswerry 5: deprivation rank 119 of 1,917Liswerry 7: deprivation rank 807 of 1,917Llanwern 2: deprivation rank 710 of 1,917Malpas 1: deprivation rank 1,733 of 1,917Malpas 2: deprivation rank 46 of 1,917Malpas 3: deprivation rank 1,567 of 1,917Malpas 4: deprivation rank 1,520 of 1,917Malpas 5: deprivation rank 1,658 of 1,917Marshfield 2: deprivation rank 1,578 of 1,917Marshfield 3: deprivation rank 1,636 of 1,917Pillgwenlly 1: deprivation rank 37 of 1,917Pillgwenlly 2: deprivation rank 700 of 1,917Pillgwenlly 3: deprivation rank 174 of 1,917Pillgwenlly 4: deprivation rank 49 of 1,917Ringland 1: deprivation rank 315 of 1,917Ringland 2: deprivation rank 152 of 1,917Ringland 3: deprivation rank 647 of 1,917Ringland 4: deprivation rank 109 of 1,917Ringland 5: deprivation rank 73 of 1,917Ringland 6: deprivation rank 181 of 1,917Rogerstone 1: deprivation rank 1,885 of 1,917Rogerstone 2: deprivation rank 1,767 of 1,917Rogerstone 3: deprivation rank 1,049 of 1,917Rogerstone 5: deprivation rank 1,744 of 1,917Rogerstone 6: deprivation rank 1,220 of 1,917St Julians 1: deprivation rank 628 of 1,917St Julians 2: deprivation rank 446 of 1,917St Julians 3: deprivation rank 1,360 of 1,917St Julians 4: deprivation rank 415 of 1,917St Julians 5: deprivation rank 1,574 of 1,917St Julians 6: deprivation rank 1,093 of 1,917Shaftesbury 1: deprivation rank 149 of 1,917Shaftesbury 2: deprivation rank 424 of 1,917Shaftesbury 3: deprivation rank 1,032 of 1,917Shaftesbury 4: deprivation rank 857 of 1,917Stow Hill 1: deprivation rank 328 of 1,917Stow Hill 2: deprivation rank 1,107 of 1,917Stow Hill 3: deprivation rank 131 of 1,917Tredegar Park 2: deprivation rank 77 of 1,917Victoria 1: deprivation rank 310 of 1,917Victoria 2: deprivation rank 331 of 1,917Victoria 3: deprivation rank 273 of 1,917Victoria 4: deprivation rank 351 of 1,917Marshfield 4: deprivation rank 1,242 of 1,917Marshfield 5: deprivation rank 1,497 of 1,917Llanwern 3: deprivation rank 1,469 of 1,917Llanwern 4: deprivation rank 960 of 1,917Rogerstone 7: deprivation rank 1,465 of 1,917Rogerstone 8: deprivation rank 1,815 of 1,917Liswerry 8: deprivation rank 561 of 1,917Liswerry 9: deprivation rank 1,264 of 1,917Liswerry 10: deprivation rank 984 of 1,917Llanwern 5: deprivation rank 1,054 of 1,917Tredegar Park 3: deprivation rank 1,571 of 1,917Tredegar Park 4: deprivation rank 330 of 1,917
Deprivation rank
  • 10% most deprived
  • 10 to 20%
  • 20 to 30%
  • 30 to 50%
  • Less deprived half

Second homes

In March 2023, in the typical area here, about 0 in every 1,000 homes on the council tax list were second homes. Across Wales the typical figure was 6.

None of its areas had 50 or more in every 1,000.

These figures are for wider areas of about 7,000 people, so neighbouring neighbourhoods share a colour.

Abercarn 1: 4Abercarn 2: 4Abercarn 3: 4Argoed (Caerphilly) 1: 3Argoed (Caerphilly) 2: 3Blackwood 1: 3Blackwood 2: 3Blackwood 3: 3Blackwood 4: 3Blackwood 5: 3Cefn Fforest 1: 2Cefn Fforest 2: 2Crosskeys 1: 4Crosskeys 2: 4Crumlin 1: 3Crumlin 2: 3Crumlin 3: 3Crumlin 4: 3Newbridge 1: 5Newbridge 2: 5Newbridge 3: 5Newbridge 4: 5Penmaen 1: 3Penmaen 2: 3Penmaen 3: 3Risca East 1: Fewer than 10Risca East 2: Fewer than 10Risca East 3: Fewer than 10Risca East 4: Fewer than 10Risca West 1: 6Risca West 2: 6Risca West 3: 6Allt-yr-yn 1: Fewer than 10Allt-yr-yn 2: Fewer than 10Allt-yr-yn 3: Fewer than 10Allt-yr-yn 4: Fewer than 10Allt-yr-yn 5: Fewer than 10Allt-yr-yn 6: Fewer than 10Alway 1: Fewer than 10Alway 2: Fewer than 10Alway 3: Fewer than 10Alway 4: Fewer than 10Alway 5: Fewer than 10Alway 6: Fewer than 10Beechwood 1: Fewer than 10Beechwood 2: Fewer than 10Beechwood 3: Fewer than 10Beechwood 4: Fewer than 10Beechwood 5: Fewer than 10Bettws (Newport) 1: Fewer than 10Bettws (Newport) 2: Fewer than 10Bettws (Newport) 3: Fewer than 10Bettws (Newport) 4: Fewer than 10Bettws (Newport) 5: Fewer than 10Bettws (Newport) 6: Fewer than 10Caerleon 1: Fewer than 10Caerleon 2: Fewer than 10Caerleon 3: Fewer than 10Caerleon 4: Fewer than 10Caerleon 5: Fewer than 10Caerleon 6: Fewer than 10Gaer 1: Fewer than 10Gaer 2: Fewer than 10Gaer 3: Fewer than 10Gaer 4: Fewer than 10Gaer 5: Fewer than 10Gaer 6: Fewer than 10Graig 1: Fewer than 10Graig 2: Fewer than 10Graig 3: Fewer than 10Graig 4: Fewer than 10Langstone 1: Fewer than 10Langstone 2: Fewer than 10Langstone 3: Fewer than 10Liswerry 1: Fewer than 10Liswerry 2: Fewer than 10Liswerry 4: Fewer than 10Liswerry 5: Fewer than 10Liswerry 7: Fewer than 10Llanwern 2: Fewer than 10Malpas 1: Fewer than 10Malpas 2: Fewer than 10Malpas 3: Fewer than 10Malpas 4: Fewer than 10Malpas 5: Fewer than 10Marshfield 2: Fewer than 10Marshfield 3: Fewer than 10Pillgwenlly 1: Fewer than 10Pillgwenlly 2: Fewer than 10Pillgwenlly 3: Fewer than 10Pillgwenlly 4: Fewer than 10Ringland 1: Fewer than 10Ringland 2: Fewer than 10Ringland 3: Fewer than 10Ringland 4: Fewer than 10Ringland 5: Fewer than 10Ringland 6: Fewer than 10Rogerstone 1: Fewer than 10Rogerstone 2: Fewer than 10Rogerstone 3: Fewer than 10Rogerstone 5: Fewer than 10Rogerstone 6: Fewer than 10St Julians 1: Fewer than 10St Julians 2: Fewer than 10St Julians 3: Fewer than 10St Julians 4: Fewer than 10St Julians 5: Fewer than 10St Julians 6: Fewer than 10Shaftesbury 1: Fewer than 10Shaftesbury 2: Fewer than 10Shaftesbury 3: Fewer than 10Shaftesbury 4: Fewer than 10Stow Hill 1: Fewer than 10Stow Hill 2: Fewer than 10Stow Hill 3: Fewer than 10Tredegar Park 2: Fewer than 10Victoria 1: Fewer than 10Victoria 2: Fewer than 10Victoria 3: Fewer than 10Victoria 4: Fewer than 10Marshfield 4: Fewer than 10Marshfield 5: Fewer than 10Llanwern 3: Fewer than 10Llanwern 4: Fewer than 10Rogerstone 7: Fewer than 10Rogerstone 8: Fewer than 10Liswerry 8: Fewer than 10Liswerry 9: Fewer than 10Liswerry 10: Fewer than 10Llanwern 5: Fewer than 10Tredegar Park 3: Fewer than 10Tredegar Park 4: Fewer than 10
Second homes per 1,000 homes
  • Fewer than 10
  • 10 to 25
  • 25 to 50
  • 50 to 100
  • 100 or more

What its Members talk about

The subjects its six Members have raised most in debates, questions and committees this Senedd term.

  1. The NHS86 contributions
  2. The constitution65 contributions
  3. Public finances56 contributions
  4. Transport36 contributions
  5. The economy and jobs33 contributions
  6. Social care31 contributions

About these figures

Each neighbourhood (a Lower layer Super Output Area, the smallest area most official statistics are published for) is placed in the constituency that contains its centre. A constituency's figure for Welsh speakers is the average of its neighbourhoods, which have similar numbers of people.

The maps are read from DataMapWales, the Welsh Government's map service, and checked once a month for updates. Last read 26 October 2026.

All constituencies