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Rhyddhawyd ar: 30 July 2025
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Methodoleg
National and subnational mid-year population estimates for England and Wales, broken down by administrative area, age, sex and components of population change.
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Rhyddhawyd ar: 29 July 2026
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Methodoleg
Description of the methodology used to produce our subnational long-term international migration estimates, using administrative data broken down by age, sex and local authority.
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Rhyddhawyd ar: 25 November 2024
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Methodoleg
Methodology for national population estimates broken down into small geographical areas – Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks.
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Rhyddhawyd ar: 9 September 2020
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Methodoleg
Methodology for national population estimates broken down into small geographical areas – Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks.
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Topic
Employment rates show the number of people in paid work as a proportion of the population, broken down by age and sex. Includes information on the number of people in employment and vacancies.
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Rhyddhawyd ar: 2 July 2020
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Methodoleg
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.
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Rhyddhawyd ar: 21 December 2022
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Methodoleg
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.
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Rhyddhawyd ar: 25 June 2021
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Methodoleg
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.
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Topic
Use of the internet and social media broken down by characteristics such as age and sex, including number of people who have used the internet, those who use the internet frequently and those who have never used the internet.
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Rhyddhawyd ar: 7 November 2025
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Methodoleg
Quality and methodology information for national population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks) in England and Wales. Details the strengths and limitations of the data, methods used, and data uses and users.