We would like to use cookies to collect information about how you use ons.gov.uk.
We use this information to make the website work as well as possible and improve our services.
You’ve accepted all cookies. You can change your cookie settings at any time. Hide
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.
Loading search results
Select another topic or clear all filters.
How we maximised the quality of Census 2021 population estimates during the processing and quality assurance of the final statistics.
Methodology for the alternative household estimate and how we used it to validate final dual system estimation (DSE) estimates.
Known quality information affecting travel to work data from Census 2021 in England and Wales to help users correctly interpret the statistics.
The methods the Office for National Statistics (ONS) will use to assess the benefits of Census 2021 data for users, including central and local government, private and voluntary sectors.
Quality information affecting ethnic group, national identity, language and religion data from Census 2021 in England and Wales to help users correctly interpret them.
Quality information about the UK armed forces veterans data from Census 2021 in England and Wales to help users correctly interpret them.
Methodology for coverage estimation of Census 2021 in England and Wales.
The model selection process and chosen models for coverage estimation of Census 2021 in England and Wales.
The methods for resolving item non-response and item inconsistencies in Census 2021 data, including deterministic editing, nearest neighbour donor imputation, and manual imputation.
Methodology for the validation of Census 2021 population estimates for England and Wales, including the assurance of processes, assessment of estimates, and involvement of local authorities.
