All methodology

  • Veterans’ Survey methodology

    Methodoleg | Released on 15 December 2023

    An overview of the background, methodology, data collection, processing and weighting of the UK Veterans’ Survey 2022.

    Allweddeiriau: sample, question development, data collection, processing, weighting

  • Disclosure control proposal for Future Population and Migration Statistics

    Methodoleg | Released on 7 December 2023

    Proposed methods to protect against disclosure in future population and migration outputs, and factors which led to this decision.

    Allweddeiriau: Confidentiality, data protection, administrative data, disclosure risk

  • Small Area Population Estimates in the transformed population estimation system: methods development

    Methodoleg | Released on 7 December 2023

    A working paper that explores different methodological options for Small Area Population Estimates in the transformed population estimation system

    Allweddeiriau: SAPE, ratio change, benchmarking, transformed system, geospatial modelling

  • User guide to Census 2021 Origin-destination data, England and Wales

    Methodoleg | Released on 1 December 2023

    Supporting information for origin-destination data from Census 2021 in England and Wales, including how to access and use public, safeguarded and secure datasets.

    Allweddeiriau: origin-destination, flow data, migration, commuting

  • Unexplained deaths in infancy: England and Wales QMI

    Methodoleg | Released on 29 November 2023

    Quality and Methodology Information for Unexplained deaths in infancy: England and Wales, detailing the strengths and limitations of the data, methods used and data uses and users.

    Allweddeiriau: cot death, unascertained deaths, sudden infant deaths, , SUDI, SIDS

  • Domestic abuse QMI

    Methodoleg | Released on 24 November 2023

    Quality and Methodology Information for domestic abuse detailing the strengths and limitations of the data, methods used and data uses and users.

    Allweddeiriau: data, comparisons, information, characteristics, accuracy

  • Understanding international migration statistics

    Methodoleg | Released on 23 November 2023

    This article brings together important information to inform users and explain any misunderstandings around our migration statistics.

    Allweddeiriau: immigration, nationality, reasons for migration, data sources, estimates

  • Quality and methodology information (QMI) for Census 2021

    Methodoleg | Released on 23 November 2023

    Details the strengths, limitations, uses, users and methods used for Census 2021, England and Wales.

    Allweddeiriau: population, data collection, , data collection, response rate, quality assurance, accuracy

  • Population estimates for England and Wales, mid-2022: methods guide

    Methodoleg | Released on 23 November 2023

    Methodology guidance on national and subnational mid-year population estimates for England and Wales, which are broken down by administrative area, age, sex and components of population change.

    Allweddeiriau: Methodology, population estimates, England, Wales

  • Methods to produce provisional long-term international migration estimates

    Methodoleg | Released on 23 November 2023

    An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.

    Allweddeiriau: methods, experimental, provisional, international, migration