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We moved them to The National Archives website, to keep this website as responsive as possible.
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Measures and interactive tools showing the quality and quality assurance of Census 2021 data in England and Wales.
How and why the Office for National Statistics (ONS) carried out statistical disclosure control on Census 2021 data.
Quality information on respondent error in Census 2021 in England and Wales to help users correctly interpret the census results.
Summary of the work conducted to build the Census 2021 address frame and an evaluation of the frame's quality.
Methodology and results of the small and large communal establishment (CE) estimation processes for Census 2021.
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.
How we checked and adjusted the estimates of the population for Census 2021 to improve their plausibility and consistency with other sources.
Methodology for the coverage adjustment of Census 2021 in England and Wales.
Matching Census 2021 to the Census Coverage Survey (CCS) using deterministic, probabilistic, associative, machine learning and clerical methods.
Methodology for the alternative household estimate and how we used it to validate final dual system estimation (DSE) estimates.
