Electoral Statistics for the UK - 2011

8/3/2019 Electoral Statistics for the UK - 2011

1/15

Statistical Bulletin

Office for National Statistics | 1

Electoral Statistics for UK - 2011

Coverage: UK

Date: 22 February 2012

Geographical Areas: Local Authority and County, Parliamentary Constituency

Theme: Government

UK Electoral Statistics 2011

The total number of UK parliamentary electors in December 2011 was 46,107,200, an increase

of 0.6 per cent from December 2010

The total number of UK local government electors in December 2011 was 47,383,500, an

increase of 0.9 per cent from December 2010

In the year to December 2011, the highest growth in the number of electors has been in Northern

Ireland and the lowest growth in Scotland

At regional level within England, the highest growth in the number of parliamentary electors inthe year to December 2011 was in the East of England and the lowest in the North West

The highest growth in the number of local government electors in the year to December 2011

was in London and the lowest in the North West

Introduction

Electoral statistics are compiled by the Office for National Statistics (ONS) and published for the

UK and its constituent countries, local government areas and parliamentary constituencies. Theyprovide annual counts of the number of people who are on the electoral registers on 1 December

each year.

Statistics are available for the two main classifications of voters:

Parliamentary Electors those entitled to vote in Westminster Parliamentary elections

Local Government Electors those entitled to vote in local government and European elections

The main differences between who is included in these classifications of voters are related to

residence and citizenship qualifications. Local Government Electors include European Unioncitizens resident in the UK who are not entitled to vote in Westminster Parliamentary elections,


2/15

Electoral Statistics for UK - 2011 | 22 February 2012


whilst Parliamentary Electors include British citizens resident overseas who are not entitled to vote

in local government elections.

There are three key reasons why the registered numbers of electors in an area can change from

year to year:

a change in the size of the population who are eligible to vote; for example, due to international

migration

a change in the proportion of the eligible population who actually register to vote; for example,

more people registering as a result of better canvassing

differences in administative practices; for example, the extent of use of the 'carry forward',

which allows for an elector to be retained on the electoral register for a year when they have not

responded to an annual canvass

This release provides counts of the number of people who were on the electoral registers on 1December 2011.

Methods, Quality and Uses

For England and Wales, electoral statistics are derived from data supplied to ONS by local Electoral

Registration Officers at the end of December each year. Data for Scotland are similarly collected

by council areas and collated by National Records of Scotland (NRS). Data for Northern Ireland are

collected by the Electoral Office for Northern Ireland (EONI). ONS then compile statistics for the UK

using the data supplied by NRS and EONI.

Further information is available from:

www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-

statistics/electoral-statistics.html

Electoral statistics are collated and published by ONS. They are used by government and the

Electoral Commission to inform the development and planning of electoral policies and for statutory

reviews of parliamentary constituency boundaries. The statistics are also of interest to Members of

Parliament and the general public.

Electoral statistics represent the most accurate count possible of the number of electors on 1

December each year. They are subject to comprehensive quality assurance procedures and are

consistent and comparable across the UK constituent countries. Information on the quality of these

statistics is provided in a Quality and Methodology Information paper available from:

www.ons.gov.uk/ons/guide-method/method-quality/quality/quality-information/social-statistics/

index.html
http://www.ons.gov.uk/ons/guide-method/method-quality/quality/quality-information/social-statistics/index.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/quality/quality-information/social-statistics/index.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/quality/quality-information/social-statistics/index.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/quality/quality-information/social-statistics/index.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.html


3/15



Parliamentary Electors

The total number of UK parliamentary electors in December 2011 was 46,107,200, an increase of

0.6 per cent from December 2010.

The total number of parliamentary electors in each of the UK constituent countries and thepercentage changes during the year to December 2011 are:

England 38,654,000, an increase of 0.5 per cent

Wales 2,298,600, an increase of 0.7 per cent

Scotland 3,941,600, an increase of 0.3 per cent

Northern Ireland 1,213,000, an increase of 1.9 per cent

Over the last five years the total number of UK parliamentary electors has increased by an average

of 0.6 per cent annually. However, different patterns of change can be seen at UK constituent

country level. The number of electors in England has increased on average by 0.6 per cent eachyear, however the number of electors in Scotland fell between 2007 and 2009 and in Wales fell

between 2008 and 2009. Northern Ireland has had consistently higher growth in the number of

parliamentary electors, averaging 2.5 per cent across the period 2006 to 2011.

Figure 1: Annual percentage change in parliamentary electors for UK constituent countries

2006/07 to 2010/11

Source: Office for National Statistics, National Records of Scotland, Electoral Office for Northern

Ireland


4/15



Download chart

XLS format

(30.5 Kb)

Across England there was a 0.5 per cent rise in the total number of parliamentary electors between2010 and 2011. However, figure 2 shows that there was considerable variation between different

English regions with the East of England, South East and North East having an increase of

approximately 0.8 per cent compared to an increase of less than 0.1 per cent in the North West.

Figure 2: Percentage change in parliamentary electors for English regions, 2010 to 2011

Source: Office for National Statistics

Download chart

XLS format

(24 Kb)

Parliamentary Constituencies

There are currently 650 Westminster Parliamentary Constituencies in the UK including 533 in

England, 59 in Scotland, 40 in Wales and 18 in Northern Ireland. These are the current boundariesthat came into force at the May 2010 General Election. Electoral statistics provide counts of the total

number of parliamentary electors for all Parliamentary Constituencies in the UK.
http://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/chd--chart-2-percentage-change-in-english-regions-parliamentary-electors.xlshttp://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/chd---chart-1-percentage-change-in-uk-parliamentary-electors.xls


5/15



The average size of constituencies varies between the constituent countries of the UK with a median

total parliamentary electorate across constituencies of approximately 72,600 in England, 67,500 in

Scotland, 66,200 in Northern Ireland and 58,000 in Wales. Within each country, the constituencies

were designed to ensure that the sizes of the electorate in each constituency were as similar as

possible. However, geographical constraints mean that in December 2011, constituencies ranged in

size from 22,000 parliamentary electors in Na h-Eileanan an Iar to 110,900 in Isle of Wight.

The total parliamentary electorate increased in 500 constituencies (77 per cent) between December

2010 and December 2011. In total 17 constituencies had an increase of more than three per cent in

their parliamentary electorate including one which increased by more than five per cent.

Table 1: Westminster Parliamentary Constituencies with greatest percentage increase in

parliamentary electors in the year to December 2011

Total ParliamentaryElectorate (thousands) % Change

Rank Parliamentary

Constituency

County (C) or

Borough (B)

December

2010

December

2011

2010/11

1 Newcastle

upon Tyne

East

B 65.2 68.9 5.7

2 Aberdeen

North

B 64.8 67.5 4.2

3 Nottingham

South

B 69.2 72.0 4.1

4 Ceredigion C 56.0 58.3 4.1

5 Nottingham

East

B 59.5 61.9 4.0

6 Blackley and

Broughton

B 69.0 71.5 3.7

7 Berwick-upon-

Tweed

C 55.8 57.7 3.5

8 Maidstone and

The Weald

C 70.6 73.0 3.4

9 Sutton and

Cheam

B 66.6 68.8 3.3

10 Milton Keynes

North

C 81.2 83.9 3.3

Table notes:

1. Source: Office for National Statistics, National Records of Scotland, Electoral Office for Northern Ireland


6/15



Download table

XLS format

(26.5 Kb)

Eight of the constituencies with the greatest percentage increase in parliamentary electors in the

year to December 2011 are in England. One constituency in Scotland (Aberdeen North) and one

in Wales (Ceredigion) are also in the top ten. The majority of these top ten areas are borough

constituencies, which are defined as predominantly urban areas. County constituencies are partly

or mostly rural areas. The designation of a constituency as either borough or county is made by the

relevant Boundary Commission.

The greatest percentage increase in parliamentary electors in a Northern Ireland constituency was

3.1 per cent in Foyle (ranked 13th).

The total parliamentary electorate decreased in 149 constituencies (23 per cent) between December

2010 and December 2011. However, only nine constituencies had a decrease of more than three

per cent in their parliamentary electorate including one which decreased by more than five per cent.
http://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/prt---table-1.xls


7/15



Table 2: Westminster Parliamentary Constituencies with greatest percentage decrease in

parliamentary electors in the year to December 2011

Total Parliamentary

Electorate (thousands)

% Change

Rank Parliamentary

Constituency

County (C) or

Borough (B)

December

2010

December

2011

2010/11

1 Stretford and

Urmston

B 70.5 66.5 -5.7

2 Leeds North

West

B 65.0 61.8 -5.0

3 Plymouth,

Sutton and

Devonport

B 71.2 67.8 -4.9

4 Stirling C 66.7 64.1 -4.0

5 Angus C 64.2 61.8 -3.7

6 Falkirk C 82.5 79.5 -3.6

7 Ochil and

South

Perthshire

C 75.8 73.2 -3.5

8 Altrincham and

Sale West

B 72.0 69.8 -3.1

9 Bath B 66.7 64.7 -3.0

10 Lancaster and

Fleetwood

C 67.3 65.4 -2.8

Table notes:

1. Source Office for National Statistics, National Records of Scotland, Electoral Office for Northern Ireland

Download table

XLS format(26 Kb)

Six of the constituencies with the greatest percentage decrease in parliamentary electors in the year

to December 2011 are in England and four are in Scotland. All of the constituencies in Scotland in

the top ten are county constituencies, indicating that they are partly or mostly rural areas whereas

the majority of those in England are more urban borough constituencies.

The constituency with the greatest decrease in parliamentary electors in Wales was Swansea West

at -1.7 per cent (ranked 19th). No constituencies in Northern Ireland had a decrease in their number

of parliamentary electors.


8/15



Local Government Electors

The total number of UK local government electors in December 2011 was 47,383,500, an increase

of 0.9 per cent from December 2010.

The total number of local government electors in each of the UK constituent countries and thepercentage changes during the year to December 2011 are:

England 39,825,800, an increase of 0.9 per cent

Wales 2,322,100, an increase of 0.9 per cent

Scotland 4,008,400, an increase of 0.6 per cent

Northern Ireland 1,227,100, an increase of 2.1 per cent

Over the last five years the total number of UK local government electors has increased by an

average of 0.8 per cent annually. However, different patterns of change can be seen at UK

constituent country level. The number of electors in England and Wales has increased each yearhowever the number of electors in Scotland fell between 2008 and 2009. Northern Ireland has

had consistently higher growth in the number of local government electors, averaging 2.7 per cent

across the period 2006 to 2011. The pattern is similar to that seen for the parliamentary electorate.

Figure 3: Annual percentage change in local government electors for UK constituent

countries, 2006/07 to 2010/11

Source: Office for National Statistics, National Records of Scotland, Electoral Office for NorthernIreland


9/15



Download chart

XLS format

(30 Kb)

Across England there was a 0.9 per cent rise in the total number of local government electorsbetween 2010 and 2011. However, there was considerable variation between different regions with

London having an increase of 1.4 per cent compared to an increase of just 0.2 per cent in the North

West of England.

Figure 4: Percentage change in local government electors for English regions 2010 to 2011

Source: Office for National Statistics

Download chart

XLS format

(31 Kb)

Local Government Areas

Local government areas are unitary authorities, London boroughs and district councils in England;

unitary authorities in Wales; and council areas in Scotland and Northern Ireland. There are a total of

406 local government areas in the UK; 326 in England, 32 in Scotland, 26 in Northern Ireland and 22

in Wales.
http://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/chd---chart-4-percentage-change-in-english-regions-local-government-electors.xlshttp://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/chd---chart-3-percentage-change-in-uk-local-government-electors.xls


10/15



In December 2011, the size of local government electorates ranged from 1,700 electors in Isles

of Scilly to 762,600 in Birmingham. The average size of local government electorates also varies

considerably between the constituent countries of the UK with a median across local government

areas of approximately 98,800 in Wales, 97,800 in England, 93,000 in Scotland but only 40,400 in

Northern Ireland.

The total local government electorate increased in 339 local government areas (83 per cent)

between December 2010 and December 2011. However, only 51 areas had an increase of more

than two per cent in their electorate including three which increased by more than four per cent.

Table 3: Local government areas with greatest percentage increase in local government

electors in the year to December 2011

Total Local Government Electorate

(thousands)

% Change

Rank Local

Government

Area

December 2010 December 2011 2010/11

1 Aberdeen City 158.1 165.9 4.9

2 Ceredigion 56.9 59.4 4.2

3 Maidstone 114.1 118.8 4.1

4 Luton UA 133.2 138.4 3.9

5 Crawley 75.4 78.3 3.9

6 Sutton 138.6 143.4 3.5

7 Nottingham UA 200.3 207.3 3.5

8 Aberdeenshire 185.5 191.7 3.4

9 Castle Point 64.7 66.9 3.4

10 Newry and

Mourne

66.0 68.1 3.2

Table notes:1. Source: Office for National Statistics, National Records of Scotland, Electoral Office for Northern Ireland

Download table

XLS format

(25.5 Kb)

Six of the local government areas with the greatest percentage increase in local government

electors in the year to December 2011 are in England. Two areas in Scotland (Aberdeen City and

Aberdeenshire), one in Wales (Ceredigion) and one in Northern Ireland (Newry and Mourne) are

also in the top ten.


11/15



The total local government electorate decreased in 67 local government areas (17 per cent)

between December 2010 and December 2011. However, only 10 areas had a decrease of more

than two per cent in their local government electorate including three which decreased by more than

four per cent.

Five of the local government areas in the top ten for the greatest percentage decrease in localgovernment electors are in Scotland, including Clackmannanshire which has the largest percentage

decrease at -4.6 per cent. The remaining five are all in England.

The local government area with the greatest decrease in local government electors in Wales was

Gwynedd at -1.4 per cent (ranked 14th). No areas in Northern Ireland had a decrease in their

number of local government electors.

Table 4: Local government areas with greatest percentage decrease in local government

electors in the year to December 2011

Total Local Government Electorate

(thousands)

% Change

Rank Local

Government

Area

December 2010 December 2011 2010/11

1 Clackmannanshire 39.0 37.2 -4.6

2 Trafford 168.1 160.9 -4.3

3 Stirling 67.8 65.1 -4.0

4 Falkirk 118.3 113.9 -3.7

5 Angus 88.1 85.5 -3.0

6 Isles of Scilly UA 1.8 1.7 -2.5

7 Perth and Kinross 112.5 109.9 -2.3

8 Plymouth UA 185.0 180.9 -2.2

9 Solihull 161.7 158.2 -2.2

10 Lancaster 111.3 108.9 -2.1

Table notes:

1. Source: Office for National Statistics, National Records of Scotland, Electoral Office for Northern Ireland

Download table

XLS format

(25.5 Kb)
http://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/prt---table-4.xlshttp://www.ons.gov.uk/ons/rel/pop-estimate/electoral-statistics-for-uk/2011/prt---table-4.xls


12/15



Related Information

2013 Westminster Parliamentary Constituency Boundary Review

Westminster Parliamentary Constituency boundaries are reviewed every five years by the Boundary

Commissions for England, Scotland, Wales and Northern Ireland. The current review is the first thatis being carried out under new rules laid out in the Parliamentary Voting System and Constituencies

Act, 2011.

The review will reduce the number of Westminster Parliamentary Constituencies in the UK from 650

to 600 and each new constituency will contain between 72,810 and 80,473 electors. This quota

of the electorate allocated to each constituency was determined using the electoral statistics for 1

December 2010 and will not be updated using the 2011 statistics published in this release.

Individual Electoral Registration

The current electoral registration in Great Britain is at household level, with the head of household

returning a registration form on behalf of all eligible voters resident at that address. The Government

published a White Paper in June 2011 setting out proposals for a new Individual Electoral

Registration (IER) system to be introduced from 2014. Under these proposals voters would be

asked to register individually and provide identifying information which would be verified before they

were added to the electoral register. The changes are designed to modernise the electoral system

and tackle fraud.

ONS will work closely with the relevant government organisations to ensure that future Electoral

Statistics fully reflect user requirements following the introduction of IER.

Further information on IER is available from the Cabinet Office website: www.cabinetoffice.gov.uk/

resource-library/individual-electoral-registration-draft-bill

Other Electoral Statistics

Other electoral statistics produced for areas within the UK include:

England

Statistics for parliamentary electors for electoral wards in England for 1 December 2010 have been

published by the Boundary Commission for England. These statistics are produced from data

collected from Electoral Registration Officers by ONS and are those used for the 2013 boundary

review process.

The data can be accessed individually for each English region from:

www.consultation.boundarycommissionforengland.independent.gov.uk/electoral-data/

Wales
http://www.cabinetoffice.gov.uk/resource-library/individual-electoral-registration-draft-billhttp://www.consultation.boundarycommissionforengland.independent.gov.uk/electoral-data/http://www.cabinetoffice.gov.uk/resource-library/individual-electoral-registration-draft-billhttp://www.cabinetoffice.gov.uk/resource-library/individual-electoral-registration-draft-bill


13/15



Statistics for National Assembly for Wales electors by Assembly Constituencies are published by

Welsh Government. Those electors who are eligible to vote in local government elections in Wales

are eligible to vote in National Assembly for Wales elections. These statistics are produced from

data collected from Electoral Registration Officers by ONS.

The data are available from:

www.statswales.wales.gov.uk/ReportFolders/reportfolders.aspx?IF_ActivePath=P,345,3472

The Boundary Commission for Wales also publish statistics for the parliamentary electorate by

Electoral Divisions. The data are available from:

www.bcomm-wales.gov.uk/publications_e.htm

Scotland

Electoral statistics for Scotland are produced and published by National Records of Scotland

(NRS). Additional statistics not included in the overall UK publication cover Scottish Parliament

Constituencies, Scottish regions and electoral wards.

The data are available from:

www.gro-scotland.gov.uk/statistics/theme/electoral-stats/index.html

Northern Ireland

Electoral statistics for Northern Ireland are produced and published by the Electoral Office for

Northern Ireland (EONI). Monthly electoral statistics for both the parliamentary and local government

electorate are available at electoral ward level from:

www.eoni.org.uk/index/statistics/electorate-statistics.htm

Background notes

1. National Statistics are produced to high professional standards set out in the Code of Practice

for Official Statistics. They undergo regular quality assurance reviews to ensure that they meet

customer needs. They are produced free from any political interference.

2. Electoral statistics for 1 December 2011 can be found at: www.ons.gov.uk/ons/taxonomy/

index.html?nscl=Elections+%28Local%2C+National+and+European%29

3. Published tables include counts of local government electors and attainers by local government

areas and parliamentary electors and attainers by parliamentary constituency. An attainer is a

person who attains the age of 18 during the currency of the register, and is entitled to vote at an

election on or after his or her eighteenth birthday.
http://www.ons.gov.uk/ons/taxonomy/index.html?nscl=Elections+%28Local%2C+National+and+European%29http://www.bcomm-wales.gov.uk/publications_e.htmhttp://www.statswales.wales.gov.uk/ReportFolders/reportfolders.aspx?IF_ActivePath=P,345,3472http://www.ons.gov.uk/ons/taxonomy/index.html?nscl=Elections+%28Local%2C+National+and+European%29http://www.ons.gov.uk/ons/taxonomy/index.html?nscl=Elections+%28Local%2C+National+and+European%29http://www.eoni.org.uk/index/statistics/electorate-statistics.htmhttp://www.gro-scotland.gov.uk/statistics/theme/electoral-stats/index.htmlhttp://www.bcomm-wales.gov.uk/publications_e.htmhttp://www.statswales.wales.gov.uk/ReportFolders/reportfolders.aspx?IF_ActivePath=P,345,3472


14/15



4. A report describing the methodology used to create the electoral statistics estimates can be

found at: www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/

uk-electoral-statistics/electoral-statistics.html

5. Information on previous elections held in the UK or its constituent countries and a list of

upcoming elections and referendums is available from the Electoral Commission and can befound at: http://www.electoralcommission.org.uk/elections

6. This is the first release of 1 December 2011 UK electoral statistics. No revisions of this dataset

have been made.

7. Next publication:

February 2013

Issued by:

Office for National Statistics, Government Buildings, Cardiff Road, Newport NP10 8XG

Media contact:

Tel: Media Relations Office 0845 6041858

Emergency on-call 07867 906553

Email: [email protected]

Statistical contact:

Tel: Alison Whitworth 01329 444661


8. Details of the policy governing the release of new data are available from the Media RelationsOffice.

Crown copyright 2012.

You may re-use this information (not including logos) free of charge in any format or medium,

under the terms of the Open Government Licence.

To view this license, go to:

www.nationalarchives.gov.uk/doc/open-government-licence/ or write to the Information Policy

Team, The National Archives, Kew, London TW9 4DU
http://www.nationalarchives.gov.uk/doc/open-government-licence/http://www.nationalarchives.gov.uk/doc/open-government-licence/http://www.electoralcommission.org.uk/electionshttp://www.electoralcommission.org.uk/electionshttp://www.nationalarchives.gov.uk/doc/open-government-licence/mailto:[email protected]:[email protected]://www.electoralcommission.org.uk/electionshttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.htmlhttp://www.ons.gov.uk/ons/guide-method/method-quality/specific/population-and-migration/uk-electoral-statistics/electoral-statistics.html


15/15



9. Produced in partnership with National Records of Scotland (NRS) and Electoral Office for

Northern Ireland (EONI)

Issuing Body:Office for National Statistics

Media Contact Details:Telephone: 0845 604 1858(8.30am-5:30pm Weekdays)

Emergency out of hours (limited service): 07867 906553

Email:[email protected]
mailto:[email protected]:[email protected]

Documents

Electoral Statistics for the UK - 2011