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
Dewis pwnc arall neu clirio pob hidlydd.
User guidance on continuing to use the 2018-based subnational population projections (SNPPs) in the absence of 2020-based SNPPs. Links to information about the uncertainty of the mid-2020 population estimates and an outline of our plans for the integration of Census 2021 data into future SNPPs.
Information on the data, methods and assumption setting process used to produce the 2020-based interim national population projections.
The data sources and methodology used to produce mortality assumptions in the 2020-based interim national population projections.
The data sources and methodology used to produce fertility assumptions in the 2020-based interim national population projections.
Quality and methodology information (QMI) for national population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
The aims of this user guide are to provide guidance and examples for those wishing to understand and use variant projections in policy and planning.
Guidance for users about the coherence and comparability of household projections for England, Wales, Scotland and Northern Ireland.
User guidance, uses, assumptions and methodology for the subnational population projections for each constituent country of the UK.
User guidance about uses, methodology, assumptions and input data for household projections for England.
