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We moved them to The National Archives website, to keep this website as responsive as possible.
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The model selection process and chosen models for coverage estimation of Census 2021 in England and Wales.
The methods for resolving item non-response and item inconsistencies in Census 2021 data, including deterministic editing, nearest neighbour donor imputation, and manual imputation.
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.
Methodology for the validation of Census 2021 population estimates for England and Wales, including the assurance of processes, assessment of estimates, and involvement of local authorities.
The administrative data sources that were used in the statistical design for Census 2021, with information on their coverage, accuracy, and timeliness.
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.
Interactive tool to help local authorities compare age-sex estimates and comparator data from Census 2021 to other areas within England and Wales.
Methods used to produce the population estimates of the very old (aged 90 years and over) by single year of age and sex, UK, England, and Wales.
Quality and methodology information for national population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks) in England and Wales. Details the strengths and limitations of the data, methods used, and data uses and users.
Methodology for national population estimates broken down into small geographical areas – Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks.
