Constituencies of the Parliament of the United Kingdom

The Parliament of the United Kingdom currently has 650 parliamentary constituencies across the constituent countries (England, Scotland, Wales and Northern Ireland), each electing a single member of parliament (MP) to the House of Commons by the plurality (first past the post) voting system, ordinarily every five years. Voting last took place in all 650 of those constituencies at the United Kingdom general election on 12 December 2019.

United Kingdom parliamentary constituencies
Map of current UK Parliament constituencies
CategoryElectoral district
LocationUnited Kingdom
Number650 (as of 2023)
Populations20,887 (Na h-Eileanan an Iar) - 113,021 (Isle of Wight)

The number of seats rose from 646 to 650 at the 2010 general election after proposals made by the boundary commissions for England, Wales and Northern Ireland (the Fifth Periodic Review of Westminster constituencies) were adopted through statutory instruments.[1][2][3][4] Constituencies in Scotland remained unchanged, as the Boundary Commission for Scotland had completed a review just before the 2005 general election, which had resulted in a reduction of 13 seats.

Primary legislation provides for the independence of the boundary commissions for each of the four parts of the UK; the number of seats for each of the countries; permissible factors to use in departing from any old boundaries; and a strong duty to consult. The Fifth Review was governed by the Parliamentary Constituencies Act 1986. Under the Parliamentary Voting System and Constituencies Act 2011, as amended by the Parliamentary Constituencies Act 2020, the number of MPs is now fixed at 650. The Sainte-Laguë formula method is used to form groups of seats split between the four parts of the United Kingdom and the English regions (as defined by the NUTS 1 statistical regions of England).[5]


The table below gives the number of eligible voters broken down by constituent country, including the average constituency size in each country.

Year2000201020152017[6] 2019[7]
Numbers%Numbers%Numbers%Numbers% Numbers %
Total electorate for each constituent country
  England36,994,68183.47%38,432,80283.81%38,736,14683.57%38,693,90083.85% 39,901,035 83.88%
  Scotland3,995,4899.02%3,929,9568.57%4,099,5328.84%3,950,6008.56% 4,053,056 8.52%
  Wales2,225,6895.02%2,302,3005.02%2,281,7544.92%2,261,2004.90% 2,319,690 4.88%
  Northern Ireland1,103,6702.49%1,190,6352.60%1,236,7652.67%1,242,3002.69% 1,293,971 2.72%
UK total44,319,52945,855,69346,354,19746,148,000 47,567,752
Average electorate per constituency for each constituent country
  England69,408101.80%72,107102.21%72,676101.91%72,596102.25% 74,861 102.30%
  Scotland67,72099.32%66,60994.42%69,48497.43%66,95994.31% 68,696 93.87%
  Wales55,64281.61%57,55881.59%57,04479.99%56,53079.62% 57,992 79.24%
  Northern Ireland61,31589.93%66,14693.76%68,70996.35%69,01797.21% 71,887 98.23%
Overall UK average68,18470,54771,31470,997 73,181

Geographical size of constituencies

As the number of electors in each constituency is similar, the constituencies themselves vary considerably in area, ranging from Ross, Skye and Lochaber, which occupies a sixth of Scotland, to the densely-populated London constituency of Islington North.

Largest and smallest constituencies by UK nation[8]
Largest Smallest
England Penrith and The Border 3,135 square kilometres (1,210 sq mi)Islington North 7.38 square kilometres (2.85 sq mi)
Scotland Ross, Skye and Lochaber 12,768 square kilometres (4,930 sq mi) Glasgow North 16.86 square kilometres (6.51 sq mi)
Wales Brecon and Radnorshire 3,015 square kilometres (1,164 sq mi) Cardiff Central 16.83 square kilometres (6.50 sq mi)
Northern Ireland Fermanagh and South Tyrone 2,512 square kilometres (970 sq mi) Belfast North 50.34 square kilometres (19.44 sq mi)

Parliamentary constituencies in the United Kingdom

Size of electorate in each constituency

The "Region" of the table refers to the NUTS 1 statistical region of England, which coincides with the former European Parliament constituency in which the constituency was included until 31 January 2020.

As of the 2019 election there are 533 constituencies in England, 40 in Wales, 59 in Scotland and 18 in Northern Ireland.


Ceremonial countyRegion
Aldershot72,617HampshireSouth East
Aldridge-Brownhills60,138West MidlandsWest Midlands
Altrincham and Sale West73,107Greater ManchesterNorth West
Amber Valley69,976DerbyshireEast Midlands
Arundel and South Downs81,726West SussexSouth East
Ashfield78,204NottinghamshireEast Midlands
Ashford89,553KentSouth East
Ashton-under-Lyne67,978Greater ManchesterNorth West
Aylesbury86,665BuckinghamshireSouth East
Banbury90,116OxfordshireSouth East
Barking77,953London (Barking and Dagenham)London
Barnsley Central65,277South YorkshireYorkshire & the Humber
Barnsley East69,504South YorkshireYorkshire & the Humber
Barrow and Furness70,158CumbriaNorth West
Basildon and Billericay69,906EssexEastern
Basingstoke82,928HampshireSouth East
Bassetlaw80,024NottinghamshireEast Midlands
Bath67,805Somerset (prev. Avon)South West
Batley and Spen79,558West YorkshireYorkshire & the Humber
Battersea79,350London (Wandsworth)London
Beaconsfield77,720BuckinghamshireSouth East
Beckenham68,662London (Bromley)London
Bermondsey and Old Southwark93,248London (Southwark)London
Berwick-upon-Tweed59,939NorthumberlandNorth East
Bethnal Green and Bow88,262London (Tower Hamlets)London
Beverley and Holderness79,696East Riding of Yorkshire (prev. Humberside)Yorkshire & the Humber
Bexhill and Battle81,963East SussexSouth East
Bexleyheath and Crayford65,466London (Bexley)London
Birkenhead63,762MerseysideNorth West
Birmingham, Edgbaston68,828West MidlandsWest Midlands
Birmingham, Erdington66,148West MidlandsWest Midlands
Birmingham, Hall Green80,283West MidlandsWest Midlands
Birmingham, Hodge Hill78,295West MidlandsWest Midlands
Birmingham, Ladywood74,912West MidlandsWest Midlands
Birmingham, Northfield73,694West MidlandsWest Midlands
Birmingham, Perry Barr72,006West MidlandsWest Midlands
Birmingham, Selly Oak82,665West MidlandsWest Midlands
Birmingham, Yardley74,704West MidlandsWest Midlands
Bishop Auckland68,170County DurhamNorth East
Blackburn71,234LancashireNorth West
Blackley and Broughton73,372Greater ManchesterNorth West
Blackpool North and Cleveleys63,692LancashireNorth West
Blackpool South57,690LancashireNorth West
Blaydon67,853Tyne and WearNorth East
Blyth Valley64,429NorthumberlandNorth East
Bognor Regis and Littlehampton77,446West SussexSouth East
Bolsover75,161DerbyshireEast Midlands
Bolton North East67,564Greater ManchesterNorth West
Bolton South East69,163Greater ManchesterNorth West
Bolton West73,191Greater ManchesterNorth West
Bootle74,832MerseysideNorth West
Boston and Skegness69,381LincolnshireEast Midlands
Bosworth81,542LeicestershireEast Midlands
Bournemouth East74,125DorsetSouth West
Bournemouth West74,205DorsetSouth West
Bracknell78,978BerkshireSouth East
Bradford East73,206West YorkshireYorkshire & the Humber
Bradford South69,046West YorkshireYorkshire & the Humber
Bradford West70,694West YorkshireYorkshire & the Humber
Brent Central84,032London (Brent)London
Brent North83,788London (Brent)London
Brentford and Isleworth85,775London (Hounslow)London
Brentwood and Ongar75,255EssexEastern
Bridgwater and West Somerset85,327SomersetSouth West
Brigg and Goole65,939East Riding of Yorkshire and Lincolnshire (prev. Humberside) Yorkshire & the Humber
Brighton, Kemptown69,833East SussexSouth East
Brighton, Pavilion79,057East SussexSouth East
Bristol East73,867Bristol (prev. Avon)South West
Bristol North West76,273Bristol (prev. Avon)South West
Bristol South84,079Bristol (prev. Avon)South West
Bristol West99,253Bristol (prev. Avon)South West
Bromley and Chislehurst66,697London (Bromley)London
Bromsgrove75,078WorcestershireWest Midlands
Broxtowe73,052NottinghamshireEast Midlands
Buckingham83,146BuckinghamshireSouth East
Burnley64,345LancashireNorth West
Burton75,036StaffordshireWest Midlands
Bury North68,802Greater ManchesterNorth West
Bury South75,152Greater ManchesterNorth West
Bury St Edmunds89,644SuffolkEastern
Calder Valley79,287West YorkshireYorkshire & the Humber
Camberwell and Peckham88,971London (Southwark)London
Camborne and Redruth70,250CornwallSouth West
Cannock Chase74,813StaffordshireWest Midlands
Canterbury80,203KentSouth East
Carlisle65,105CumbriaNorth West
Carshalton and Wallington72,941London (Sutton)London
Castle Point69,608EssexEastern
Central Devon74,926DevonSouth West
Central Suffolk and North Ipswich80,037SuffolkEastern
Charnwood79,534LeicestershireEast Midlands
Chatham and Aylesford71,642KentSouth East
Cheadle74,577Greater ManchesterNorth West
Chelsea and Fulham67,110London (Hammersmith and Fulham and Kensington and Chelsea) London
Cheltenham81,044GloucestershireSouth West
Chesham and Amersham72,542BuckinghamshireSouth East
Chesterfield71,034DerbyshireEast Midlands
Chichester85,499West SussexSouth East
Chingford and Woodford Green65,393London (Redbridge and Waltham Forest)London
Chippenham77,221WiltshireSouth West
Chipping Barnet79,960London (Barnet)London
Chorley78,177LancashireNorth West
Christchurch71,520DorsetSouth West
Cities of London and Westminster63,700London (City and Westminster)London
City of Chester76,057CheshireNorth West
City of Durham71,271County DurhamNorth East
Cleethorpes73,689Lincolnshire (prev. Humberside)Yorkshire & the Humber
Colne Valley84,174West YorkshireYorkshire & the Humber
Congleton80,930CheshireNorth West
Copeland61,693CumbriaNorth West
Corby86,153NorthamptonshireEast Midlands
Coventry North East76,006West MidlandsWest Midlands
Coventry North West75,247West MidlandsWest Midlands
Coventry South70,979West MidlandsWest Midlands
Crawley74,207West SussexSouth East
Crewe and Nantwich80,321CheshireNorth West
Croydon Central81,407London (Croydon)London
Croydon North88,468London (Croydon)London
Croydon South83,982London (Croydon)London
Dagenham and Rainham71,045London (Barking and Dagenham and Havering)London
Darlington66,397County DurhamNorth East
Dartford82,209KentSouth East
Daventry77,423NorthamptonshireEast Midlands
Denton and Reddish66,234Greater ManchesterNorth West
Derby North73,199DerbyshireEast Midlands
Derby South73,062DerbyshireEast Midlands
Derbyshire Dales65,080DerbyshireEast Midlands
Devizes73,372WiltshireSouth West
Dewsbury81,253West YorkshireYorkshire & the Humber
Don Valley75,356South YorkshireYorkshire & the Humber
Doncaster Central71,389South YorkshireYorkshire & the Humber
Doncaster North72,362South YorkshireYorkshire & the Humber
Dover76,355KentSouth East
Dudley North61,936West MidlandsWest Midlands
Dudley South60,731West MidlandsWest Midlands
Dulwich and West Norwood80,331London (Lambeth and Southwark)London
Ealing Central and Acton75,510London (Ealing)London
Ealing North74,473London (Ealing)London
Ealing, Southall64,581London (Ealing)London
Easington61,182County DurhamNorth East
East Devon87,168DevonSouth West
East Ham88,319London (Newham)London
East Hampshire76,478HampshireSouth East
East Surrey83,148SurreySouth East
East Worthing and Shoreham75,194West SussexSouth East
East Yorkshire80,923East Riding of Yorkshire (prev. Humberside)Yorkshire & the Humber
Eastbourne79,307East SussexSouth East
Eastleigh83,880HampshireSouth East
Eddisbury73,700CheshireNorth West
Edmonton65,747London (Enfield)London
Ellesmere Port and Neston70,327CheshireNorth West
Elmet and Rothwell80,957West YorkshireYorkshire & the Humber
Eltham64,086London (Greenwich)London
Enfield North68,301London (Enfield)London
Enfield, Southgate65,525London (Enfield)London
Epping Forest74,304EssexEastern
Epsom and Ewell81,138SurreySouth East
Erewash72,523DerbyshireEast Midlands
Erith and Thamesmead65,399London (Bexley and Greenwich)London
Esher and Walton81,184SurreySouth East
Exeter82,054DevonSouth West
Fareham78,337HampshireSouth East
Faversham and Mid Kent73,403KentSouth East
Feltham and Heston80,934London (Hounslow)London
Filton and Bradley Stoke74,016Gloucestershire (prev. Avon)South West
Finchley and Golders Green77,573London (Barnet)London
Folkestone and Hythe88,272KentSouth East
Forest of Dean71,438GloucestershireSouth West
Fylde66,847LancashireNorth West
Gainsborough76,343LincolnshireEast Midlands
Garston and Halewood76,116MerseysideNorth West
Gateshead64,449Tyne and WearNorth East
Gedling71,366NottinghamshireEast Midlands
Gillingham and Rainham73,549KentSouth East
Gloucester81,319GloucestershireSouth West
Gosport73,541HampshireSouth East
Grantham and Stamford81,502LincolnshireEast Midlands
Gravesham73,242KentSouth East
Great Grimsby61,409Lincolnshire (prev. Humberside) Yorkshire & the Humber
Great Yarmouth71,957NorfolkEastern
Greenwich and Woolwich79,997London (Greenwich)London
Guildford77,729SurreySouth East
Hackney North and Stoke Newington92,462London (Hackney)London
Hackney South and Shoreditch89,387London (Hackney)London
Halesowen and Rowley Regis68,300West MidlandsWest Midlands
Halifax71,887West YorkshireYorkshire & the Humber
Haltemprice and Howden71,083East Riding of Yorkshire (prev. Humberside) Yorkshire & the Humber
Halton71,930CheshireNorth West
Hammersmith74,759London (Hammersmith and Fulham)London
Hampstead and Kilburn86,571London (Brent and Camden)London
Harborough80,151LeicestershireEast Midlands
Harrogate and Knaresborough77,941North YorkshireYorkshire & the Humber
Harrow East72,106London (Harrow)London
Harrow West72,464London (Harrow)London
Hartlepool70,855County Durham (prev. Cleveland)North East
Harwich and North Essex74,153EssexEastern
Hastings and Rye80,524East SussexSouth East
Havant72,103HampshireSouth East
Hayes and Harlington72,357London (Hillingdon)London
Hazel Grove63,346Greater ManchesterNorth West
Hemel Hempstead74,035HertfordshireEastern
Hemsworth73,726West YorkshireYorkshire & the Humber
Hendon82,661London (Barnet)London
Henley76,646OxfordshireSouth East
Hereford and South Herefordshire72,085HerefordshireWest Midlands
Hertford and Stortford81,765HertfordshireEastern
Hexham61,324NorthumberlandNorth East
Heywood and Middleton80,162Greater ManchesterNorth West
High Peak74,265DerbyshireEast Midlands
Hitchin and Harpenden76,323HertfordshireEastern
Holborn and St Pancras86,061London (Camden)London
Hornchurch and Upminster80,765London (Havering)London
Hornsey and Wood Green81,814London (Haringey)London
Horsham86,730West SussexSouth East
Houghton and Sunderland South68,835Tyne and WearNorth East
Hove74,313East SussexSouth East
Huddersfield65,525West YorkshireYorkshire & the Humber
Hyndburn70,842LancashireNorth West
Ilford North72,973London (Redbridge)London
Ilford South84,972London (Redbridge)London
Isle of Wight113,021Isle of WightSouth East
Islington North75,162London (Islington)London
Islington South and Finsbury70,489London (Islington)London
Jarrow65,103Tyne and WearNorth East
Keighley72,778West YorkshireYorkshire & the Humber
Kenilworth and Southam68,154WarwickshireWest Midlands
Kensington64,609London (Kensington and Chelsea)London
Kettering73,164NorthamptonshireEast Midlands
Kingston and Surbiton81,975London (Kingston upon Thames)London
Kingston upon Hull East65,745East Riding of Yorkshire (prev. Humberside)Yorkshire & the Humber
Kingston upon Hull North65,515East Riding of Yorkshire (prev. Humberside) Yorkshire & the Humber
Kingston upon Hull West and Hessle60,192East Riding of Yorkshire (prev. Humberside)Yorkshire & the Humber
Kingswood68,972Gloucestershire (prev. Avon)South West
Knowsley84,082MerseysideNorth West
Lancaster and Fleetwood70,059LancashireNorth West
Leeds Central90,971West YorkshireYorkshire & the Humber
Leeds East67,286West YorkshireYorkshire & the Humber
Leeds North East70,580West YorkshireYorkshire & the Humber
Leeds North West67,741West Yorkshire Yorkshire & the Humber
Leeds West67,727West Yorkshire Yorkshire & the Humber
Leicester East78,433LeicestershireEast Midlands
Leicester South77,708LeicestershireEast Midlands
Leicester West64,940LeicestershireEast Midlands
Leigh77,417Greater ManchesterNorth West
Lewes71,503East SussexSouth East
Lewisham, Deptford80,631London (Lewisham)London
Lewisham East67,857London (Lewisham)London
Lewisham West and Penge74,617London (Bromley and Lewisham)London
Leyton and Wanstead64,852London (Redbridge and Waltham Forest)London
Lichfield76,616StaffordshireWest Midlands
Lincoln74,942LincolnshireEast Midlands
Liverpool, Riverside80,310MerseysideNorth West
Liverpool, Walton62,628MerseysideNorth West
Liverpool, Wavertree63,458MerseysideNorth West
Liverpool, West Derby65,640MerseysideNorth West
Loughborough79,764LeicestershireEast Midlands
Louth and Horncastle79,634LincolnshireEast Midlands
Ludlow69,444ShropshireWest Midlands
Luton North68,185BedfordshireEastern
Luton South69,338BedfordshireEastern
Macclesfield76,216CheshireNorth West
Maidenhead76,668BerkshireSouth East
Maidstone and The Weald76,109KentSouth East
Makerfield74,190Greater ManchesterNorth West
Manchester Central92,247Greater ManchesterNorth West
Manchester, Gorton76,419Greater ManchesterNorth West
Manchester, Withington76,530Greater ManchesterNorth West
Mansfield77,131NottinghamshireEast Midlands
Meon Valley75,737HampshireSouth East
Meriden85,368West MidlandsWest Midlands
Mid Bedfordshire87,795BedfordshireEastern
Mid Derbyshire67,442DerbyshireEast Midlands
Mid Dorset and North Poole65,427DorsetSouth West
Mid Norfolk82,203NorfolkEastern
Mid Sussex85,146West SussexSouth East
Mid Worcestershire78,220WorcestershireWest Midlands
Middlesbrough60,764North Yorkshire (prev. Cleveland) North East
Middlesbrough South and East Cleveland72,348North Yorkshire (prev. Cleveland) North East
Milton Keynes North91,545BuckinghamshireSouth East
Milton Keynes South96,363BuckinghamshireSouth East
Mitcham and Morden70,021London (Merton)London
Mole Valley74,665SurreySouth East
Morecambe and Lunesdale67,397LancashireNorth West
Morley and Outwood78,803West YorkshireYorkshire & the Humber
New Forest East73,549HampshireSouth East
New Forest West70,869HampshireSouth East
Newark75,850NottinghamshireEast Midlands
Newbury83,414BerkshireSouth East
Newcastle upon Tyne Central63,796Tyne and WearNorth East
Newcastle upon Tyne East68,486Tyne and WearNorth East
Newcastle upon Tyne North68,211Tyne and WearNorth East
Newcastle-under-Lyme57,845StaffordshireWest Midlands
Newton Abbot72,529DevonSouth West
Normanton, Pontefract and Castleford84,527West YorkshireYorkshire & the Humber
North Cornwall69,935CornwallSouth West
North Devon75,859DevonSouth West
North Dorset76,765DorsetSouth West
North Durham66,796County DurhamNorth East
North East Bedfordshire90,678BedfordshireEastern
North East Cambridgeshire83,699CambridgeshireEastern
North East Derbyshire72,345DerbyshireEast Midlands
North East Hampshire78,954HampshireSouth East
North East Hertfordshire76,123HertfordshireEastern
North East Somerset73,692Somerset (prev. Avon)South West
North Herefordshire70,252HerefordshireWest Midlands
North Norfolk70,729NorfolkEastern
North Shropshire83,258ShropshireWest Midlands
North Somerset80,194Somerset (prev. Avon)South West
North Swindon82,441WiltshireSouth West
North Thanet72,756KentSouth East
North Tyneside78,902Tyne and WearNorth East
North Warwickshire70,271WarwickshireWest Midlands
North West Cambridgeshire94,909CambridgeshireEastern
North West Durham72,166County DurhamNorth East
North West Hampshire83,083HampshireSouth East
North West Leicestershire78,935LeicestershireEast Midlands
North West Norfolk72,080NorfolkEastern
North Wiltshire73,280WiltshireSouth West
Northampton North58,768NorthamptonshireEast Midlands
Northampton South62,163NorthamptonshireEast Midlands
Norwich North67,172NorfolkEastern
Norwich South77,845NorfolkEastern
Nottingham East66,262NottinghamshireEast Midlands
Nottingham North66,495NottinghamshireEast Midlands
Nottingham South79,485NottinghamshireEast Midlands
Nuneaton70,226WarwickshireWest Midlands
Old Bexley and Sidcup66,104London (Bexley)London
Oldham East and Saddleworth72,120Greater ManchesterNorth West
Oldham West and Royton72,999Greater ManchesterNorth West
Orpington68,877London (Bromley)London
Oxford East78,303OxfordshireSouth East
Oxford West and Abingdon76,951OxfordshireSouth East
Pendle65,292LancashireNorth West
Penistone and Stocksbridge70,925South YorkshireYorkshire & the Humber
Penrith and The Border67,555CumbriaNorth West
Plymouth, Moor View69,430DevonSouth West
Plymouth, Sutton and Devonport77,852DevonSouth West
Poole73,989DorsetSouth West
Poplar and Limehouse91,836London (Tower Hamlets)London
Portsmouth North71,299HampshireSouth East
Portsmouth South74,186HampshireSouth East
Preston59,672LancashireNorth West
Pudsey73,212West YorkshireYorkshire & the Humber
Putney65,556London (Wandsworth)London
Rayleigh and Wickford78,930EssexEastern
Reading East77,152BerkshireSouth East
Reading West74,137BerkshireSouth East
Redcar65,864North Yorkshire (prev. Cleveland)North East
Redditch65,391WorcestershireWest Midlands
Reigate74,242SurreySouth East
Ribble Valley79,247LancashireNorth West
Richmond (Yorks)82,569North YorkshireYorkshire & the Humber
Richmond Park82,699London (Kingston upon Thames and Richmond upon Thames) London
Rochdale78,909Greater ManchesterNorth West
Rochester and Strood82,056KentSouth East
Rochford and Southend East75,624EssexEastern
Romford72,350London (Havering)London
Romsey and Southampton North68,228HampshireSouth East
Rossendale and Darwen72,770LancashireNorth West
Rother Valley74,804South YorkshireYorkshire & the Humber
Rotherham61,688South YorkshireYorkshire & the Humber
Rugby72,292WarwickshireWest Midlands
Ruislip, Northwood and Pinner72,816London (Harrow and Hillingdon)London
Runnymede and Weybridge77,196SurreySouth East
Rushcliffe77,047NottinghamshireEast Midlands
Rutland and Melton82,705Leicestershire and RutlandEast Midlands
Saffron Walden87,017EssexEastern
Salford and Eccles82,202Greater ManchesterNorth West
Salisbury74,556WiltshireSouth West
Scarborough and Whitby74,404North YorkshireYorkshire & the Humber
Scunthorpe61,955Lincolnshire (prev. Humberside)Yorkshire & the Humber
Sedgefield64,325County DurhamNorth East
Sefton Central69,760MerseysideNorth West
Selby and Ainsty78,398North YorkshireYorkshire & the Humber
Sevenoaks71,757KentSouth East
Sheffield, Brightside and Hillsborough69,333South YorkshireYorkshire & the Humber
Sheffield Central89,849South YorkshireYorkshire & the Humber
Sheffield, Hallam72,763South YorkshireYorkshire & the Humber
Sheffield, Heeley66,940 South YorkshireYorkshire & the Humber
Sheffield South East67,832 South YorkshireYorkshire & the Humber
Sherwood77,888NottinghamshireEast Midlands
Shipley74,029West YorkshireYorkshire & the Humber
Shrewsbury and Atcham82,238ShropshireWest Midlands
Sittingbourne and Sheppey83,917KentSouth East
Skipton and Ripon78,673North YorkshireYorkshire & the Humber
Sleaford and North Hykeham94,761LincolnshireEast Midlands
Slough86,818BerkshireSouth East
Solihull78,760West MidlandsWest Midlands
Somerton and Frome85,866SomersetSouth West
South Basildon and East Thurrock74,441EssexEastern
South Cambridgeshire87,288CambridgeshireEastern
South Derbyshire79,331DerbyshireEast Midlands
South Dorset73,809DorsetSouth West
South East Cambridgeshire86,769CambridgeshireEastern
South East Cornwall71,825CornwallSouth West
South Holland and The Deepings75,975LincolnshireEast Midlands
South Leicestershire80,520LeicestershireEast Midlands
South Norfolk86,214NorfolkEastern
South Northamptonshire90,842NorthamptonshireEast Midlands
South Ribble75,351LancashireNorth West
South Shields62,793Tyne and WearNorth East
South Staffordshire73,668StaffordshireWest Midlands
South Suffolk76,201SuffolkEastern
South Swindon73,118WiltshireSouth West
South Thanet73,223KentSouth East
South West Bedfordshire79,926BedfordshireEastern
South West Devon72,535DevonSouth West
South West Hertfordshire80,499HertfordshireEastern
South West Norfolk78,455NorfolkEastern
South West Surrey79,096SurreySouth East
South West Wiltshire77,969WiltshireSouth West
Southampton, Itchen72,299HampshireSouth East
Southampton, Test70,116HampshireSouth East
Southend West69,043EssexEastern
Southport70,837MerseysideNorth West
Spelthorne70,929SurreySouth East
St Albans73,727HertfordshireEastern
St Austell and Newquay79,930CornwallSouth West
St Helens North75,593MerseysideNorth West
St Helens South and Whiston79,061MerseysideNorth West
St Ives68,795CornwallSouth West
Stafford72,572StaffordshireWest Midlands
Staffordshire Moorlands65,485StaffordshireWest Midlands
Stalybridge and Hyde73,064Greater ManchesterNorth West
Stockport65,391Greater ManchesterNorth West
Stockton North66,649County Durham (prev. Cleveland)North East
Stockton South76,870County Durham and North Yorkshire (prev. Cleveland) North East
Stoke-on-Trent Central55,419StaffordshireWest Midlands
Stoke-on-Trent North68,298StaffordshireWest Midlands
Stoke-on-Trent South64,491StaffordshireWest Midlands
Stone69,378StaffordshireWest Midlands
Stourbridge69,891West MidlandsWest Midlands
Stratford-on-Avon74,037WarwickshireWest Midlands
Streatham84,783London (Lambeth)London
Stretford and Urmston72,372Greater ManchesterNorth West
Stroud84,537GloucestershireSouth West
Suffolk Coastal81,910SuffolkEastern
Sunderland Central72,680Tyne and WearNorth East
Surrey Heath81,349SurreySouth East
Sutton and Cheam71,779London (Sutton)London
Sutton Coldfield75,638West MidlandsWest Midlands
Tamworth71,572StaffordshireWest Midlands
Tatton69,018CheshireNorth West
Taunton Deane88,676SomersetSouth West
Telford68,921ShropshireWest Midlands
Tewkesbury83,958GloucestershireSouth West
The Cotswolds81,939GloucestershireSouth West
The Wrekin70,693ShropshireWest Midlands
Thirsk and Malton80,991North YorkshireYorkshire & the Humber
Thornbury and Yate69,492Gloucestershire (prev. Avon)South West
Tiverton and Honiton82,953DevonSouth West
Tonbridge and Malling79,278KentSouth East
Tooting76,954London (Wandsworth)London
Torbay75,054DevonSouth West
Torridge and West Devon80,403DevonSouth West
Totnes69,863DevonSouth West
Tottenham75,740London (Haringey)London
Truro and Falmouth76,719CornwallSouth West
Tunbridge Wells74,823KentSouth East
Twickenham84,906London (Richmond upon Thames)London
Tynemouth77,261Tyne and WearNorth East
Uxbridge and South Ruislip70,365London (Hillingdon)London
Vauxhall88,659London (Lambeth)London
Wakefield70,192West YorkshireYorkshire & the Humber
Wallasey66,310MerseysideNorth West
Walsall North67,177West MidlandsWest Midlands
Walsall South68,024West MidlandsWest Midlands
Walthamstow70,267London (Waltham Forest)London
Wansbeck63,339NorthumberlandNorth East
Wantage90,867OxfordshireSouth East
Warley62,357West MidlandsWest Midlands
Warrington North72,235CheshireNorth West
Warrington South86,015CheshireNorth West
Warwick and Leamington76,362WarwickshireWest Midlands
Washington and Sunderland West66,278Tyne and WearNorth East
Wealden82,998East SussexSouth East
Weaver Vale70,551CheshireNorth West
Wellingborough80,765NorthamptonshireEast Midlands
Wells84,124SomersetSouth West
Welwyn Hatfield74,892HertfordshireEastern
Wentworth and Dearne74,536South YorkshireYorkshire & the Humber
West Bromwich East62,046West MidlandsWest Midlands
West Bromwich West64,517West MidlandsWest Midlands
West Dorset81,897DorsetSouth West
West Ham97,947London (Newham)London
West Lancashire73,347LancashireNorth West
West Suffolk80,193SuffolkEastern
West Worcestershire76,241WorcestershireWest Midlands
Westminster North65,519London (Westminster)London
Westmorland and Lonsdale67,789CumbriaNorth West
Weston-Super-Mare82,526Somerset (prev. Avon)South West
Wigan75,680Greater ManchesterNorth West
Wimbledon68,240London (Merton)London
Winchester75,582HampshireSouth East
Windsor75,038BerkshireSouth East
Wirral South57,280MerseysideNorth West
Wirral West55,550MerseysideNorth West
Witney83,845OxfordshireSouth East
Woking75,424SurreySouth East
Wokingham83,953BerkshireSouth East
Wolverhampton North East61,660West MidlandsWest Midlands
Wolverhampton South East62,883West MidlandsWest Midlands
Wolverhampton South West60,534West MidlandsWest Midlands
Worcester73,485WorcestershireWest Midlands
Workington61,370CumbriaNorth West
Worsley and Eccles South75,219Greater ManchesterNorth West
Worthing West78,585West SussexSouth East
Wycombe78,093BuckinghamshireSouth East
Wyre and Preston North74,775LancashireNorth West
Wyre Forest78,077WorcestershireWest Midlands
Wythenshawe and Sale East76,313Greater ManchesterNorth West
Yeovil82,468SomersetSouth West
York Central74,899North YorkshireYorkshire & the Humber
York Outer74,673North YorkshireYorkshire & the Humber


Council area
Aberdeen North62,489Aberdeen City
Aberdeen South65,719Aberdeen City
Airdrie and Shotts64,011North Lanarkshire
Argyll and Bute66,525Argyll and Bute
Ayr, Carrick and Cumnock71,970East Ayrshire and South Ayrshire
Banff and Buchan66,655Aberdeenshire
Berwickshire, Roxburgh and Selkirk74,518Scottish Borders
Caithness, Sutherland and Easter Ross46,930Highland
Central Ayrshire69,742North Ayrshire and South Ayrshire
Coatbridge, Chryston and Bellshill72,943North Lanarkshire
Cumbernauld, Kilsyth and Kirkintilloch East66,079East Dunbartonshire and North Lanarkshire
Dumfries and Galloway74,580Dumfries and Galloway
Dumfriesshire, Clydesdale and Tweeddale68,330Dumfries and Galloway, Scottish Borders and South Lanarkshire
Dundee East66,210Angus and Dundee City
Dundee West64,431Angus and Dundee City
Dunfermline and West Fife76,652Fife
East Dunbartonshire66,075East Dunbartonshire
East Kilbride, Strathaven and Lesmahagow81,224South Lanarkshire
East Lothian81,600East Lothian
East Renfrewshire72,232East Renfrewshire
Edinburgh East69,424City of Edinburgh
Edinburgh North and Leith81,336City of Edinburgh
Edinburgh South66,188City of Edinburgh
Edinburgh South West73,501City of Edinburgh
Edinburgh West72,507City of Edinburgh
Glasgow Central69,230Glasgow City
Glasgow East67,381Glasgow City
Glasgow North57,130Glasgow City
Glasgow North East61,075Glasgow City
Glasgow North West63,402Glasgow City
Glasgow South70,891Glasgow City
Glasgow South West64,575Glasgow City
Inverness, Nairn, Badenoch and Strathspey78,059Highland
Kilmarnock and Loudoun74,517East Ayrshire
Kirkcaldy and Cowdenbeath72,853Fife
Lanark and Hamilton East77,659South Lanarkshire
Linlithgow and East Falkirk87,044West Lothian and Falkirk
Livingston82,285West Lothian
Motherwell and Wishaw68,856North Lanarkshire
Na h-Eileanan an Iar21,106Outer Hebrides
North Ayrshire and Arran73,534North Ayrshire
North East Fife60,905Fife
Ochil and South Perthshire78,776Clackmannanshire and Perth and Kinross
Orkney and Shetland34,211Orkney Islands and Shetland Islands
Paisley and Renfrewshire North72,007Renfrewshire
Paisley and Renfrewshire South64,385Renfrewshire
Perth and North Perthshire72,600Perth and Kinross
Ross, Skye and Lochaber54,230Highland
Rutherglen and Hamilton West80,918South Lanarkshire
West Aberdeenshire and Kincardine72,640Aberdeenshire
West Dunbartonshire66,517West Dunbartonshire


Council area
Aberavon50,750Neath Port Talbot
Alyn and Deeside62,789Flintshire; Wrexham
Blaenau Gwent50,739Blaenau Gwent
Brecon and Radnorshire55,490Powys
Caerphilly63,166Caerphilly; Newport
Cardiff Central64,037Cardiff
Cardiff North68,438Cardiff
Cardiff South and Penarth78,837Cardiff
Cardiff West68,508Cardiff
Carmarthen East and Dinefwr57,419Carmarthenshire
Carmarthen West and South Pembrokeshire59,158Carmarthenshire; Pembrokeshire
Clwyd South53,919Denbighshire; Wrexham
Clwyd West57,714Conwy; Denbighshire
Cynon Valley51,134Rhondda Cynon Taf
Delyn54,560Conwy; Flintshire
Dwyfor Meirionnydd44,362Gwynedd
Llanelli60,518Carmarthenshire; Swansea
Merthyr Tydfil and Rhymney56,322Caerphilly; Merthyr Tydfil
Neath56,419Neath Port Talbot
Newport East58,554Newport
Newport West66,657Newport
Ogmore57,581Bridgend; Rhondda Cynon Taf
Pontypridd60,327Rhondda Cynon Taf
Preseli Pembrokeshire59,606Pembrokeshire
Rhondda50,262Rhondda Cynon Taf
Swansea East58,450Swansea
Swansea West57,078Swansea
Vale of Clwyd56,649Denbighshire
Vale of Glamorgan76,508Vale of Glamorgan
Ynys Môn51,925Isle of Anglesey

Northern Ireland

Council area
Belfast East66,245Belfast; Lisburn and Castlereagh
Belfast North72,225Belfast; Antrim and Newtownabbey
Belfast South69,984Belfast; Lisburn and Castlereagh
Belfast West65,644Belfast; Lisburn and Castlereagh
East Antrim64,830Antrim and Newtownabbey; Causeway Coast and Glens; Mid and East Antrim
East Londonderry69,246Causeway Coast and Glens; Derry City and Strabane
Fermanagh and South Tyrone72,848Armagh City, Banbridge and Craigavon; Fermanagh and Omagh; Mid Ulster
Foyle74,346Derry City and Strabane
Lagan Valley75,735Armagh City, Banbridge and Craigavon; Lisburn and Castlereagh; Newry, Mourne and Down
Mid Ulster70,449Mid Ulster
Newry and Armagh81,226Armagh City, Banbridge and Craigavon; Newry, Mourne and Down
North Antrim77,134Causeway Coast and Glens; Mid and East Antrim
North Down67,099Ards and North Down
South Antrim71,711Antrim and Newtownabbey; Lisburn and Castlereagh
South Down79,175Armagh City, Banbridge and Craigavon; Newry, Mourne and Down
Strangford66,928Ards and North Down; Lisburn and Castlereagh; Newry, Mourne and Down
Upper Bann82,887Armagh City, Banbridge and Craigavon
West Tyrone66,259Derry City and Strabane; Fermanagh and Omagh

Summary of main boundary changes for the 2010 general election

Current boundary reviews

Following the abandonment of the Sixth Periodic Review (the 2018 review), the Boundary Commission for England formally launched the 2023 Review on 5 January 2021. It is due to be completed by July 2023.[9]

See 2023 Periodic Review of Westminster constituencies for further details.

See also

  • List of former United Kingdom Parliament constituencies
  • Member of Parliament
  • Lists of electoral districts by nation
  • United Kingdom general elections overview


  1. "The Parliamentary Constituencies and Assembly Electoral Regions (Wales) Order 2006".
  2. "The Parliamentary Constituencies (England) Order 2007".
  3. "The Parliamentary Constituencies (England) (Amendment) Order 2009".
  4. "The Parliamentary Constituencies (Northern Ireland) Order 2008".
  5. "A Guide to the 2013 Review" The Boundary Commission for England — retrieved 2012-12-19 Archived 29 October 2012 at the Wayback Machine.
  6. "Electoral statistics, UK: 2017". ONS. Retrieved 7 August 2018.
  7. Baker, Carl; Uberoi, Elise; Cracknell, Richard (28 January 2020). "General Election 2019: full results and analysis". Archived from the original on 19 November 2020. Retrieved 29 April 2020. {{cite journal}}: Cite journal requires |journal= (help)
  8. "Standard Area Measurements (2019) for Electoral Areas in the United Kingdom". Retrieved 22 July 2022.
  9. "2023 Review | Boundary Commission for England". Retrieved 1 April 2021.


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