National level population estimates by year, age and UK country


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Metadata
- Summary information
- High level information
- Statistical quality information
- Weblinks
- Keywords
- Open Data
General description
This dataset provides population estimates for the local authorities in Wales, the English regions and the UK countries for the period from 1991 onwards by sex and single year of age, together with some aggregated age groups.The mid-2020 population estimates are the first population estimates to show some of the impacts of the coronavirus (COVID-19) pandemic. However, these estimates refer to the population as at 30 June 2020, meaning that they only account for the first three months of the pandemic.
Future releases of the population estimates will provide information on the impact from mid-2020 onwards.
It should be noted that for mid-2020 there are some definitional changes (particularly affecting the migration components) compared with mid-2019 populations estimates data and it is advised users read the Quality and Methodology Information section on the Office for National Statistics website.
This material is Crown Copyright and may be re-used (not including logos) free of charge in any format or medium, under the terms of the Open Government Licence.
Data collection and calculation
See weblinksFrequency of publication
AnnualData reference periods
Data are produced and reported annually and relate to the 30 June of each year from 1991 onwards.Users, uses and context
The data presented here are used by central government departments and local authorities for a range of purposes including planning and monitoring of services and as denominators for the calculation of various rates and indicators.Rounding applied
Data are provided on an unrounded basis although the Office for National Statistics advises that any results presented from these data are rounded to the nearest 100 where practical.Revisions information
The data presented here reflect changes made to population estimates from 2001 to 2010 in re-basing the data to be consistent with the results of the 2011 Census (see weblinks).The data for Scotland from 2001 to 2010 was revised on 18 March 2022 to correct an error in the age distribution over this period (see weblinks).
This data set was revised for 2012 to 2014 on 3 May 2016 to correct an error of the age distribution in the council areas of Scotland.
Mid-2012 to mid-2016 subnational population estimates for England and Wales were revised on the 22 March 2018, following methodological improvements (see weblinks).
Title
Mid-year population estimates (1991 onwards), by Welsh local authorities, English regions and UK countries, by single year of age and sexLast update
June 2021Next update
September 2022 (provisional)Publishing organisation
Welsh GovernmentSource 1
Mid-year population estimates, Office for National StatisticsContact email
stats.popcensus@gov.walesDesignation
National StatisticsLowest level of geographical disaggregation
Local authoritiesGeographical coverage
United KingdomLanguages covered
English and WelshData licensing
You may use and re-use this data free of charge in any format or medium, under the terms of the Open Government License - see http://www.nationalarchives.gov.uk/doc/open-government-licenceStatistical quality
See weblinks.Weblinks
https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/bulletins/annualmidyearpopulationestimates/latesthttps://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/methodologies/midyearpopulationestimatesqmi
https://www.nrscotland.gov.uk/statistics-and-data/statistics/about-our-statistics/revisions-and-corrections