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2021 Census: Safeguarded Individual Microdata Sample at Region Level (England and Wales)

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Summary information

Study title

2021 Census: Safeguarded Household Microdata Sample (England and Wales)

Creator

Office for National Statistics

Study number / PID

9156 (UKDA)

10.5255/UKDA-SN-9156-1 (DOI)

Data access

Restricted

Series

Not available

Abstract

Abstract copyright UK Data Service and data collection copyright owner.The 2021 UK Census was the 23rd official census of the United Kingdom. The UK Census is generally conducted once every 10 years, and the 2021 censuses of England, Wales, and Northern Ireland took place on 21 March 2021. In Scotland, the decision was made to move the census to March 2022 because of the impact of the coronavirus pandemic. The censuses were administered by the Office for National Statistics (ONS), the Northern Ireland Statistics and Research Agency (NISRA) and National Records of Scotland (NRS), respectively. In England and Wales, Census 2021 was the first census with a digital-first design, encouraging participants to respond online rather than on a paper questionnaire.Topics covered in the 2021 UK Census included:demography and migrationethnic group, national identity, language and religionlabour market and travel to workhousingeducationhealth, disability, and unpaid careWelsh and other languagesUK armed forces veteranssexual orientation and gender identity.The 2021 Census: Safeguarded Household Microdata Sample dataset consists of a random sample of 1% of households from the 2021 Census and contains records for all individuals within these sampled households. It includes records for 263,729 households and 606,210 persons. These data cover England and Wales only. This sample allows linkage between individuals in the same household.  The lowest level of geography is Wales and regions within England. It contains 56 variables and a low level of detail. This is a new ONS product following user feedback from the 2011 Census.Census MicrodataMicrodata are small samples of individual records from a single census from which identifying information have been removed. They contain a range of individual and household characteristics and can be used to carry out analysis not possible from standard census outputs, such...
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Topics

CensusesSocial stratification and groupingsSociety and culture

Keywords

SEX (ELSST)EDUCATIONAL BACKGROUND (ELSST)MOTOR VEHICLES (ELSST)INFORMAL CARE (ELSST)HEALTH (ELSST)ECONOMIC ACTIVITY (ELSST)MARITAL STATUS (ELSST)ROOMSPLACE OF BIRTH (ELSST)INTERNAL MIGRATION (ELSST)NATIONAL IDENTITY (ELSST)OCCUPATIONS (ELSST)
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Methodology

Data collection period

Not available

Country

England and Wales

Time dimension

Repeated cross-sectional study

Analysis unit

Families/households
Individuals
National

Universe

The safeguarded household microdata sample consists of a random sample of 1% of households and contains records for all individuals within these sampled households. By design, all of the safeguarded samples include a different set of people. The sample contains 263,729 households, 606,210 persons. For households containing no enumerated persons, records in the sample will only include household-level data. The Census 2021 microdata samples include data from the total England and Wales population, which includes: 'usual' residents, non-UK born short-term residents staying 3 to 12 months, and students living at an alternative address during term-time

Sampling procedure

Multi-stage stratified random sample

Kind of data

Numeric

Data collection mode

Compilation/Synthesis
Web-based interview
Self-administered questionnaire

Access

Publisher

UK Data Service

Publication year

2023

Terms of data access

The Data Collection is available to UK Data Service registered users subject to the End User Licence Agreement.

Data storage and access are limited to the UK and countries that the UK deemed to have an adequate level of data protection as follows: European Economic Area countries, Andorra, Argentina, Faroe Islands, Gibraltar, Guernsey, Israel, Isle of Man, Jersey, New Zealand, Republic of Korea, Switzerland and Uruguay.

Access requests from users not in the above categories and commercial use of data require approval from the data depositor or their nominee. Commitments have been made to those who have provided data in response to the Census, in order to ensure those commitments are kept we may not be able to provide access to safeguarded Census data from some locations.

Related publications

Not available