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2011 Area Classifications

Area classifications group together geographic areas according to key characteristics common to the population in that grouping. These groupings are called clusters, and are derived using census data. The Area Classifications are hierarchical classifications, consisting of three tiers of Supergroups, Groups and Subgroups.

The first of the 2011 Area Classifications to be published is the 2011 Area Classification for Output Areas (2011 OAC) which was produced by an external partner, University College London.

A number of different 2011 Area Classifications for the whole of the UK using 2011 Census data are planned for release in late 2014, covering different geographies, as was done following the 2001 Census. These will cover (1) local authorities, (2) health areas, (3) super output areas covering: lower layer super output areas for England and Wales, datazones for Scotland and super output areas for Northern Ireland. Consideration is also to be given to a possible update to the Area Classification for wards.

Consideration will be given to periodically updating the 2011 Census based area classifications in the future using non-census data sources.

  • About the Area Classifications

    Information and frequently asked questions about the 2011 Area Classifications.

  • Datasets

    Access to a downloadable file holding the data forming the 2011 OAC.

  • Maps

    Downloadable maps and links to interactive maps for the output areas covered by the different Supergroups, Groups and Subgroups.

  • Methodology and Variables

    Details of the methodology and 2011 Census variables used for the 2011 OAC.

  • Pen Portraits and Radial Plots

    Pen portraits describe the clusters that make up the 2011 OAC; providing an informal view of the characteristics of each Supergroup, Group and Subgroup.
    Radial plot charts represent for each of the Supergroups, Groups and Subgroups the values for each of the final census variables, using a scale to represent the difference (either positive or negative) from the UK mean and parent Supergroup/Group (if applicable) for that variable.

  • Contact Us

    Contact the Office for National Statistics.

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