All methodology

  • Mortality statistics in England and Wales QMI

    Methodology | Released on 29 December 2023

    Quality and methodology information for mortality statistics in England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: mortality, rates, age-standardised, Series DR, death registrations

  • User guide to mortality statistics

    Methodology | Released on 29 December 2023

    Supporting information for mortality statistics, which present figures on deaths registered in England and Wales in a specific week, month, quarter or year.

    Keywords: guidance, cause of death, mortality, ICD-10, methods, registration

  • Population and migration statistics transformation in England and Wales, a quality strategy

    Methodology | Released on 21 December 2023

    This report provides information about the quality strategy underpinning the future population and migration statistics system in England and Wales.

    Keywords: quality, strategy, transformation

  • User guide to Census 2021 microdata samples, England and Wales

    Methodology | Released on 21 December 2023

    Supporting information for microdata samples from Census 2021 in England and Wales, including how to access and use public, safeguarded, Integrated Public Use Microdata Series (IPUMS) and secure microdata samples.

    Keywords: microdata, user guide

  • Veterans’ Survey 2022 to Census 2021 linkage report

    Methodology | Released on 15 December 2023

    Methods used to link the Veterans' Survey 2022 to Census 2021 deterministically.

    Keywords: linkage, census, veterans, survey, forces

  • Veterans’ Survey methodology

    Methodology | Released on 15 December 2023

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

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

  • Disclosure control proposal for Future Population and Migration Statistics

    Methodology | Released on 7 December 2023

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

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

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

    Methodology | Released on 7 December 2023

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

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

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

    Methodology | 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.

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

  • Unexplained deaths in infancy: England and Wales QMI

    Methodology | 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.

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