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2011 Census release timetable

The Office for National Statistics (ONS) published the first results from the 2011 Census on 16 July 2012. Further details on the content and timetable for each of the census output releases has been made available through a census outputs prospectus originally launched by ONS in March 2012.

The prospectus aims to keep users up-to-date with plans for the release of 2011 Census data. It describes the census statistics that will be released, and lays out when ONS intends to publish them. Due to the vast scale of data collected, the 2011 Census statistics are being released in stages. The overall release schedule is summarised below.

First release: July 2012 - November 2012

The first release tables published on 16 July included the following elements:

  • usually resident census population estimates (rounded) at local authority and regional level within England and Wales, in five year age bands and by sex 
  • estimates of occupied households (rounded) at country, region and local authority level within England and Wales 
  • a range of additional information used by ONS to quality assure the 2011 Census results for local authorities, including the different components of the estimation process.

Within this release phase, ONS has since published further information from the 2011 Census:

  • 24 September 2012: Unrounded Census population estimates by single year of age and sex 
  • 22 October 2012: Number of people with second addresses in local authorities in England and Wales - by age, sex, and type of second address 
  • 23 November 2012: Population and Household Estimates for Wards and Output Areas - including population by five year age bands and sex; population in households/communal establishments; area/population density; occupied households/average household size.

The initial 2011 Census results for Swansea are included in a series of briefing notes available here.

Second release: December 2012 - March 2013

Data in this phase was published by ONS at different stages according to geography:

  • Release 2.1, 11 December 2012: 'Key' and selected 'Quick' Statistics for local authorities ('univariate' data) 
  • Release 2.2, 30 January 2013: Key and Quick Statistics for the output area (OA) hierarchy, including Lower and Middle Super Output Areas (LSOAs/MSOAs), together with wards, parishes/communities and parliamentary constituencies 
  • Release 2.3, 19 February 2013: Key and Quick Statistics for other geographies, including Welsh Government devolved constituencies, National Parks, postcode sectors and health areas 
  • Release 2.4, 26 March 2013: information on non-UK short-term residents and further selected Quick Statistics (local authority level).

A selection of tables released in this phase (local authority level data for Swansea) are available here.

Third release: May 2013 - March 2014

'Detailed characteristics' statistics, the first census data to be released on a 'multivariate' basis, are available for higher level geographies. The statistics will initially be released at a local authority level, followed by outputs at MSOA and ward levels. However, these statistics will not be produced for LSOAs or OAs. The tables contain two or more variables.

  • Release 3.1, 16 May 2013: Detailed Characteristics for Local Authorities (topics: migration, ethnicity, identity, language, religion and health) 
  • Release 3.2a, 28 June 2013: Postcode estimates (headcounts and households), key statistics for built-up areas, and detailed characteristics on housing for local authorities 
  • Release 3.2b, 12 July 2013: MSOA and ward statistics for the Detailed Characteristics tables released on 16 May 
  • Release 3.3, 30 August 2013: Detailed Characteristics for demography and families for MSOAs and wards 
  • Release 3.4, 26 September 2013: Detailed Characteristics for communal establishments for MSOAs and wards 
  • Release 3.5a,,29 November 2013: Detailed Characteristics on labour market for MSOAs and merged wards 
  • Release 3.5b, 19 December 2013: Detailed Characteristics for labour market and qualifications for MSOAs and wards 
  • Release 3.5c, 26 March 2014: Detailed Characteristics for Approximated Social Grade for MSOAs and merged wards 
  • Release 3.6, 26 March 2014: Detailed Characteristics for travel to work and car or van availability for local authorities
  • Release 6.1a, 23 May 2014: Migration Statistics for Wales
  • 23 May 2014: Supplementary Detailed Characteristics tables on health and ethnic group.

Fourth release: July 2013 - September 2014

'Local characteristics' tables (local multivariate statistics) are cross tabulations of two or more census topics that provide the greatest level of detail possible for local areas, and are again being released in phases:

  • Release 4.1, 31 July 2013: Local Characteristics on Ethnicity, Identity, Language and Religion for Output Areas 
  • Release 4.2, 30 August 2013: Local Characteristics on Health and Unpaid Care for Output Areas 
  • Release 4.3, 26 September 2013: Local Characteristics on migration 
  • Release 4.4a, 23 January 2014: Local Characteristics on demography and families for Output Areas 
  • Release 4.4b, 23 January 2014: Local Characteristics on housing for Output Areas 
  • Release 4.5a, 26 February 2014: Local Characteristics on labour market for Output Areas 
  • Release 4.5b, 26 February 2014: Local Characteristics on qualifications for Output Areas 
  • Release 4.6, 26 March 2014: Local Characteristics on travel to work and car or van availability for Output Areas
  • 9 April 2014: Supplementary Local Characteristics tables on residence type, ethnic group, national identity, proficiency in English, long-term health problem or disability, and highest level of qualification
  • 23 May 2014: Supplementary Local Characteristics tables on health, approximated social grade, religion and ethnic group
  • Release 4.7, 9 September 2014: Additional Detailed and Local Characteristics tables and Quick Statistics table including health and housing, method of travel to work and workplace population.

Fifth release (alternative population bases): October 2013 onwards

  • Release 5.1a, 31 October 2013: Short-term Resident Population Statistics for Local Authorities 
  • Release 5.1b, 31 October 2013: Workday Population Statistics for Output Areas (Part 1) 
  • Release 5.2a, 23 May 2014: Workplace Population Statistics for Workplace Zones
  • Release 5.2b, 23 May 2014: Workday Population Statistics for MSOAs and Output Areas (Part 2) 
  • Release 5.3, 24 September 2014: Out-of-term Population Statistics.

Subsequent releases and specialist products 

A series of further releases, in addition to the main releases of 2011 Census statistics, have been developed. These statistics include flow tables (migration, travel-to-work), workplace tables, detail on small population groups, microdata and further statistics relating to alternative population bases.

The following tables are not included within the main 2011 Census release phases (1 to 5):

  • Release 6.2, 23 May 2014: Armed Forces Statistics for Local Authorities
  • 25 July 2014: Origin-destination statistics on migration, workplace and students for local authorities
  • 25 July 2014: Origin-destination statistics on second residences and workplace for merged local authorities and MSOAs
  • 25 November 2014: Origin-destination Statistics on Migration for Local Authorities in the UK
  • 18 December 2014: Small Population Tables for England and Wales - key characteristics of people in specific small population groups for selected Local Authorities.

More detailed information about the Census prospectus is available from the ONS websiteOpens new window. The prospectus is part of the process of developing and releasing the 2011 Census statistics and amendments to the prospectus are published by ONS as and when changes are made.

Statistics for the whole of the UK

UK statistics are being released in stages, in line with the later release of Census data in Scotland. The first UK statistics were released in December 2012, with further releases following during 2013 and 2014.

2011 Census Geography Prospectus

The 2011 Census Geography prospectus was initially published by ONS on 31 May 2012. It sets out the release plans for the 2011 Census geography reference data, including digital boundaries for the modified set of Output Areas, Super Output Areas, the new Workplace Zones, and a number of supporting look-up files to enable linkage between the 2001 and 2011 areas. The first release of geography reference data, along with metadata and user guidance, was released in October 2012, with further releases of census geography products during 2013.

If you have any further enquiries regarding the 2011 Census in Swansea and the availability of data, please contact us.

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