UK Data Service data catalogue record for:

1991 Census: Aggregate Data; Great Britain

Title details

SN: 22001
Title: 1991 Census: Aggregate Data; Great Britain
Depositor: Office of Population Censuses and Surveys. Census Division
Depositor: General Register Office (Scotland). Census Branch
Principal investigator(s): Office of Population Censuses and Surveys. Census Division
General Register Office (Scotland). Census Branch

Subject Categories

Population censuses - Population, vital statistics and censuses


Abstract copyright UK Data Service and data collection copyright owner.

The aggregate data produced as outputs from censuses in Great Britain provide information on a wide range of demographic and socio-economic characteristics. They are predominantly a collection of aggregated or summary counts of the numbers of people or households resident in specific geographical areas possessing particular characteristics.

The topics covered by the 1991 Census were virtually the same as those in the 1981 Census. However, new questions were introduced on limiting long-term illness, ethnic group, central heating and term-time address of students. Also a question on weekly hours worked was re-introduced.

The 100% Sample files include information about total population; population in private households and communal establishments; sex; age; marital status; country of birth; ethnicity; migration; employment status; economic activity; household composition; dependent children; dependant adults; long-term illness; household car availability; housing; housing tenure; housing amenities; central heating; linguistic ability (Welsh/Gaelic in Wales and Scotland respectively).

The 10% Sample files contain information about socio-economic composition; employment status; occupations; industry of occupation; hours of work; commuting; qualifications, family type; household composition; age; sex; marital status; ethnicity; housing tenure; social class.

Local Base Statistics (LBS)
The 1991 Census Local Base Statistics (LBS) have around 20,000 statistical counts (cells) contained in 99 tables and cover the complete range of topics in the 1991 Census. They form the basis of the tables to be reproduced for each county (in England and Wales) and region (in Scotland) and for each local authority district. The LBS are available down to ward level in England and Wales and postcode sector level in Scotland.

Small Area Statistics (SAS)
The 1991 Census Small Area Statistics (SAS) tables are an abbreviated version of the Local Base Statistics. They comprise around 10,000 counts for each area and are available as an abstract of some 86 tables for geographic areas down to Enumeration District level in England and Wales and Output Area level in Scotland.

Data can be accessed through Casweb.

Citation: Office of Population Censuses and Surveys ; General Register Office for Scotland ; Registrar General for Northern Ireland (1997): 1991 Census aggregate data (Edition: 1997). UK Data Service. DOI:

Coverage, universe, methodology

Dates of fieldwork: 1991
Country: England | Scotland | Wales
Spatial units: Postcode (Sector)
Wards (Electoral)
Observation units: Individuals
Administrative units (geographical/political)
Universe: National
Census data
Households in England, Scotland and Wales
Time dimensions: Cross-sectional (one-time) study
Sampling procedures: No sampling (total universe)
Method of data collection: Self-completion
Weighting: No information recorded

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Administrative and access information

Date of release:
First edition: 03 January 2001
Copyright: This information is licensed under the terms of the Open Government Licence.
Access conditions: Data may be accessed via Casweb. This data is freely available to all and is licensed under the terms of the Open Government Licence.
Availability: UK Data Service Census support - aggregate data
Contact: Get in touch


View publications... Hide publications...

By principal investigator(s):
OPCS and GRO(S), 1991 Census : general report, Great Britain (London: HMSO, 1995).

Dale, A., and Marsh, C., (eds.) The 1991 Census user's guide (London: HMSO, 1993).

Resulting from secondary analysis:
Rolfe, S., Mackintosh, S., and Leather, P. (1993) Age file '93, Oxford: Anchor Housing Trust. ISBN 0-906178-17-7.

Siora, G. and Pitcher, J. (1994) The nature, extent and demand for management skills in the East Midlands: final report, Institute for Employment Research, University of Warwick, October.

Astin, M., Corden, A., and Slack, R. (1995) 'Estimating the need for care at home: a tool for local authorities?', Research, Policy and Planning 13(1/2), pp. 25-28.

Simpson, S. and Close, K. (1996) Ethnicity and household headship rates from the 1991 Census : availability of national and local data, CCSR Occasional Paper 11, Cathie Marsh Centre for Census and Survey Research.

Million Women Study Collaborators (2003) 'Breast cancer and hormone replacement therapy in the Million Women Study', Lancet, 362, pp.419-427.

Banks E. et al. for the Million Women Study Collaborators (2004) 'Fracture incidence in relation to the pattern of use of hormone therapy in postmenopausal women', Journal of the American Medical Association, 291, pp.2212-2220.

Million Women Collaborators (2005) 'Endometrial cancer and hormone-replacement therapy in the Million Women Study', Lancet, 365, pp.1543-1551.


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