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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.
A guide to the data sources, method and analyses used in the related living longer article, including a discussion on limitations of the data.
The data sources and methodology used to produce fertility assumptions in the 2018-based national population projections.
The data sources and methodology used to produce mortality assumptions in the 2018-based national population projections.
The data sources and methodology used to produce migration assumptions in the 2018-based national population projections.
The variant projections, a range of scenarios with alternative demographic assumptions, used in the 2018-based national population projections.
General background information on the methods used to produce the 2018-based national population projections.
A summary of how we set the demographic assumptions for the 2018-based national population projections.
Comparison of methods used to produce population estimates for people aged 90 years and over by the Office for National Statistics, the National Records of Scotland and the Northern Ireland Statistics and Research Agency.
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.
