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Rhyddhawyd ar: 18 May 2026
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Methodoleg
Guidance about the background and methodology of the Labour Force Survey (LFS).
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Rhyddhawyd ar: 16 December 2016
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Gwybodaeth gorfforaethol
Background information about our Administrative Data Research Outputs on the size of the population.
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Rhyddhawyd ar: 16 December 2016
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Gwybodaeth gorfforaethol
Background information about our Administrative Data Census Research Outputs on income.
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Rhyddhawyd ar: 6 June 2024
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Methodoleg
Background information to the Annual Business Survey (ABS), formerly known as the Annual Business Inquiry (ABI).
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Rhyddhawyd ar: 15 December 2023
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Methodoleg
An overview of the background, methodology, data collection, processing and weighting of the UK Veterans’ Survey 2022.
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Rhyddhawyd ar: 25 July 2025
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Methodoleg
A comprehensive overview of the background and methodology of the Pay As You Earn (PAYE) Real Time Information (RTI) statistics.
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Rhyddhawyd ar: 24 March 2017
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Methodoleg
The International Passenger Survey background notes outline dataset definitions, sample methodology, geography and purpose groupings.
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Rhyddhawyd ar: 27 February 2017
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Gwybodaeth gorfforaethol
Background information about our Administrative Data Census Research Outputs on Occupied Address (Household) Estimates.
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Rhyddhawyd ar: 24 February 2017
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Methodoleg
A background paper for those wanting to understand the concepts and methodology underlying the UK Natural Capital accounts being developed by ONS and Defra.
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Rhyddhawyd ar: 10 December 2025
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Methodoleg
Background information and methodology for income estimates for small areas, England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.
