UK Data Service data catalogue record for:

2011 Census: Flow Data

Title details

SN: 7713
Title: 2011 Census: Flow Data
Alternative title: 2011 Census
Depositor: Office for National Statistics
Principal investigator(s): Office for National Statistics
Sponsor(s): Office for National Statistics

Subject Categories

Population censuses - Population, vital statistics and censuses


Abstract copyright UK Data Service and data collection copyright owner.

Census flow data involve flows of individuals in the UK between origins and destinations. These flows are either the residential migrations of individuals from one place of usual residence to another, or of commuters making journeys from home to workplace or place of study.

These data are derived from the questions on the census form relating to usual place of residence one year ago, and the place of work for the respondent's main job. Flow data are currently available at a range of different spatial scales ranging from Output Areas to Local Authority Districts.

Main Topics:
The Census Support: Flow Data website facilitates access to the interaction data for members of UK higher and further education institutions. Access is provided through the Web-based Interface to Census Interaction Data (WICID).

The 2011 sets currently held include:
  • Census migration datasets: Special Migration Statistics. Migration data at Local Authority District, Ward, and Output Area level.
  • Special Student Statistics: Migration data at Local Authority District, Ward, and Output Area level.
  • Census commuting datasets: Special Workplace Statistics: Commuting data at Local Authority District, Middle-layer Super Output Area, Intermediate Zone (for Scotland), Workplace Zone (for England and Wales), and Output Area level.
  • Census second residence datasets: Special Residence Statistics. Commuting data at Local Authority District, Ward, and Output Area level.
Explicit registration is not required for the 2011 Census products that have been released under the Open Government Licence. However, outputs from the 2011 Census classified as 'safeguarded' require users to agree on additional terms and conditions. Access to these datasets is only permitted via Federated Access.

The Flow Data website provides two basic routes to the data.
  • WICID is the main route to the flow data. It provides a flexible service to download extracts of data in a variety of forms;
  • the Downloads page allows users to download the original tables as released by ONS.
Access data through the WICID Flow Data website.

View the Census flow data guide.

Coverage, universe, methodology

Time period: 27 March 2011
Country: United Kingdom
Spatial units: Wards (Electoral)
Universe: National
Respondents to the 2001 Census involved in residential migrations and commuting
Time dimensions: Cross-sectional (one-time) study
Sampling procedures: No sampling (total universe)
Method of data collection: Self-completion
Weighting: No weighting used

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Administrative and access information

Date of release:
First edition: 27 April 2015
Copyright: Crown copyright material is reproduced with the permission of the Controller of HMSO and the Queen's Printer for Scotland
Access conditions: Data may be accessed via the WICID Flow Data website. Parts of these data are freely available to all and are licenced under the terms of the Open Government Licence. Other parts require a Special Licence Agreement and require users to be students or staff at UK universities, UK government staff, NHS staff or Research Council staff. These users need to register with UK Data Service first and access the safeguarded data via Federated Access.
Availability: UK Data Service
Contact: Get in touch


Title File Name Size (KB)
Study information and citation UKDA_Study_7713_Information.htm 6


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