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We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.
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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.
Quality and methodology Information for Long-Term International Migration estimates, detailing the strengths and limitations of the data, methods used and data users and uses.
A quality report looking at the use and suitability of the University of Warwick halls of residence data in population estimates.
The quality assurance undertaken on administrative data for prisoner data used within Population Statistics Division (PSD) publications.
Methods used in the revised mid-2012 to mid-2016 usual resident population estimates of England and Wales.
Population estimates for local authorities in England and Wales: changes to methods planned for 2018.
A summary of the internal migration for Scotland quality assurance of administrative data report for use within Population Statistics Division (PSD) and Migration Statistics Division (MSD) publications.
