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We moved them to The National Archives website, to keep this website as responsive as possible.
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How we maximised the quality of Census 2021 population estimates during the processing and quality assurance of the final statistics.
Methodology for the validation of the Census 2021 population estimates for each local authority, as part of the wider quality assurance of the census data.
Developments in producing mid-2021 population estimates rolled forward from Census 2021, by local authority district, age, and sex. Includes method changes needed to roll forward the three months from Census Day to mid-year and discusses our ongoing challenges.
Explains how missing information for identifying someone as not in education, employment or training (NEET) is appropriated based on individual characteristics.
User guidance on continuing to use the 2018-based subnational population projections (SNPPs) in the absence of 2020-based SNPPs. Links to information about the uncertainty of the mid-2020 population estimates and an outline of our plans for the integration of Census 2021 data into future SNPPs.
Methodology focusing on the definitions and data sources used for the Outcomes for disabled people in the UK: 2021 article and datasets.
Quality and methodology information (QMI) for national population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
The data sources and methodology used to produce fertility assumptions in the 2020-based interim national population projections.
The data sources and methodology used to produce mortality assumptions in the 2020-based interim national population projections.
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
