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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.
Methodology guidance on national and subnational mid-year population estimates for the UK and its constituent countries, which are broken down by administrative area, age, sex and components of population change.
A summary of the current methods in using the administrative data source the Registration and Population Interaction Database (RAPID) from the Department for Work and Pensions in estimating international migration.
User guidance, uses, assumptions and methodology for the subnational population projections for each constituent country of the UK.
Guidance for users about the coherence and comparability of household projections for England, Wales, Scotland and Northern Ireland.
Methodology for national population estimates broken down into small geographical areas – Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks.
Simulations-based methods for producing more granular measures of statistical uncertainty for mid-year population estimates, by local authority, sex and single year of age.
Simulations-based methods for producing indicative measures of statistical uncertainty for the admin-based population estimates for local authorities, by sex and single year of age.