Census ac uk Census Area Statistics and Casweb

Census. ac. uk Census Area Statistics and Casweb David Rawnsley Census Dissemination Unit (CDU) Mimas University of Manchester

Census. ac. uk Overview • • UK Censuses Aggregate Statistics Census Geography Casweb

Census. ac. uk UK Census Background • • Comprehensive population surveys Every ten years Standard topics Single points in time Expensive and complex Inform policy decisions 200 year history from 1801 to 2001

Census. ac. uk The UK 2001 Census • • • UK Census bicentennial Data collection Census outputs Aggregate statistics outputs Census geographies

Census. ac. uk Data Collection • • 29 th April, 2001 Enumeration Confidentiality Social and economic data Individual and household levels Geographical markers Census questionnaire form

Census. ac. uk 2001 Census Outputs • • • Aggregate Statistics Samples of Anonymised Records (SARs) Interaction Statistics Longitudinal Surveys Digital Boundary Data Metadata

Census. ac. uk Aggregate Statistics • Spatially aggregated counts of individuals and households with various combinations of demographic and socio-economic characteristics – For topics see http: //www. statistics. gov. uk/census 2001/topics. asp – Nesting geographical hierarchies down to Output Area – Unique zone codes – Some national differences in information and geographies • Selective release of variables – Confidentiality key to understanding data structures – Pre-defined cross-tabulations – Several component datasets

Census. ac. uk Spatial Aggregation

Census. ac. uk Univariate/Multivariate

Census. ac. uk 2001 Census Geographies Government Office Regions (GORs) Source: 2001 Census. © Crown Copyright.

Census. ac. uk 2001 Census Geographies Counties and Unitary Authorities Source: 2001 Census. © Crown Copyright.

Census. ac. uk 2001 Census Geographies Local Authority Districts Source: 2001 Census. © Crown Copyright.

Census. ac. uk 2001 Census Geographies Wards Source: 2001 Census. © Crown Copyright.

Census. ac. uk 2001 Census Geographies Output Areas Source: 2001 Census. © Crown Copyright.

Census. ac. uk 2001 Census National Geographical Hierarchies

Census. ac. uk 2001 Census Geographies Example Code England & Wales England Wales Min Resid ents Min Househ olds Status Government Office Region (GOR) D 9 9 Administrative County 36 42 42 Administrative Unitary Authority (UA) 00 FB 68 46 Administrative Local Authority District (LAD) 36 UD 308 Administrative 22 ST Ward 36 UDGN 8, 800 7, 932 868 1, 000 400 Administrative/Census CAS Ward 36 UDGN 8, 850 7, 969 881 100 40 Administrative/Census 175, 434 165, 665 9, 769 100 40 Census Output Area 36 UDGN 0006

Census. ac. uk Casweb • • • Census Area Statistics on the Web http: //casweb. mimas. ac. uk Online access to aggregate statistics Developed at CDU Features – Intuitive web interface – Data driven – Designed for Academics