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We moved them to The National Archives website, to keep this website as responsive as possible.
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Dewis pwnc arall neu clirio pob hidlydd.
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.
Quality and methodology information (QMI) for annual mid-year population estimates of the very old, including centenarians. Includes strengths and limitations, methods, and data uses and users.
What the population estimates by marital status and living arrangements cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Quality and methodology information for mid-year population estimates in the UK, detailing the strengths and limitations of the data, methods used, and data uses and users.
A comparison of the different types of population estimates that are published or are planned for future publication.
National and subnational mid-year population estimates for England and Wales, broken down by administrative area, age, sex and components of population change.
This methodology brings together important information about our mid-year admin-based population estimates for England and Wales.
How we produced the statistics, their strengths and limitations and further quality information.
This quality overview provides descriptions of the strengths and limitations of all the individual administrative (admin) data sources used directly in producing the mid-2024 admin-based population estimates (ABPEs) for local authorities (LAs) in England and Wales.
Quality and methodology information for subnational population projections, detailing the strengths and limitations of the data, methods used and data uses and users.