All methodology

406 methodology , sorted by release date

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  • Population statistics and sources guide

    Methodoleg | Released on 17 November 2023

    A comparison of the different types of population estimate that are published on the ONS website or planned for future publication. Includes information about whether these are official estimates of the population or used only for wider research, as well as the sources, coverage and main uses and comparability issues for the estimate.

    Allweddeiriau: census 2021, population statistics transformation

  • Long-term international migration: quality assuring administrative data

    Methodoleg | Released on 16 November 2023

    Administrative data sources and quality assurance in the production of admin-based long-term international migration estimates published in bi-annual releases.

    Allweddeiriau: admin data, quality assure, migrant, overseas, LTIM

  • Sexual orientation and gender identity quality information for Census 2021

    Methodoleg | Released on 1 November 2023

    Known quality information affecting sexual orientation and gender identity data from Census 2021 in England and Wales to help users correctly interpret the statistics.

    Allweddeiriau: sexual orientation, gender identity, quality, census

  • Welsh language quality information for Census 2021

    Methodoleg | Released on 26 October 2023

    Quality information affecting Welsh language data from Census 2021 to help correctly interpret them.

  • Private rental affordability, England, Wales and Northern Ireland QMI

    Methodoleg | Released on 23 October 2023

    Quality and Management Information about the Private rental affordability, England, Wales and Northern Ireland publication

    Allweddeiriau: Affordability, rent, private rental market, housing, expenditure on rent

  • Income estimates for small areas in England and Wales, technical report: financial year ending 2020

    Methodoleg | Released on 11 October 2023

    Methods used to produce small area income estimates for local areas in England and Wales; Middle layer Super Output Areas (MSOAs), covering on the quality of the models and estimates.

    Allweddeiriau: net, model, income, gross, Equivalisation

  • Energy efficiency of housing in England and Wales QMI

    Methodoleg | Released on 9 October 2023

    Quality and Methodology Information for energy efficiency of housing estimates for England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Allweddeiriau: Housing, Energy Efficiency, Environmental Impact, Central heating, EPC

  • International passenger survey methodology

    Methodoleg | Released on 6 October 2023

    International Passenger Survey data are collected via face-to-face interviews with passengers passing through ports and on routes into and out of the UK.

    Allweddeiriau: IPS, tourists, tourism, Travel and Tourism

  • Sexual orientation QMI

    Methodoleg | Released on 27 September 2023

    Quality and methodology information (QMI) report for sexual orientation, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Allweddeiriau: gay, lesbian, bisexual, LGB, heterosexual

  • Student experiences of the increased cost of living QMI

    Methodoleg | Released on 6 September 2023

    Quality and Methodology Information for Student Cost of Living Insights Study (SCoLIS) interviews, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Allweddeiriau: cost of living, university, students, well-being