All methodology

  • Quality and methodology information (QMI) for Census 2021

    Methodology | Released on 26 January 2023

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

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

  • Coronavirus (COVID-19) Infection Survey: quality and methodology information (QMI)

    Methodology | Released on 20 January 2023

    Quality and Methodology Information (QMI) for the Coronavirus (COVID-19) Infection Survey (CIS), detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: positive tests, antibodies, variants, covid vaccines, vaccinations

  • Births QMI

    Methodology | Released on 19 January 2023

    Quality and Methodology Information for live births occurring and registered in England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: childbirth, stillbirth, maternity, fertility, country of birth

  • Winter mortality in England and Wales QMI

    Methodology | Released on 19 January 2023

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

    Keywords: ewm, seasonal mortality, excess winter deaths, increased winter mortality, increased winter deaths, winter deaths, increased deaths

  • Vacancy Survey QMI

    Methodology | Released on 17 January 2023

    Quality and methodology information for vacancies, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: job vacancies, jobs available, labour market, data quality

  • Mid-year population estimates QMI

    Methodology | Released on 21 December 2022

    Quality and methodology information for mid-year population estimates in England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: local authority, migrants, resident population, population forecasts, population predictions, deaths, births, migration, census

  • Coronavirus (COVID-19) Infection Survey quality report: December 2022

    Methodology | Released on 21 December 2022

    Information on the Coronavirus (COVID-19) Infection Survey data collection method change from study worker home visit to remote data collection.

    Keywords: quality, accuracy, positive tests, antibodies, QMI

  • Admin-based income statistics QMI

    Methodology | Released on 20 December 2022

    Quality and Methodology Information (QMI) for admin-based income statistics in England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: Administrative data, quality, methodology, individual income, occupied address income

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

    Methodology | Released on 19 December 2022

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

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

  • Civil partnerships in England and Wales QMI

    Methodology | Released on 9 December 2022

    Quality and Methodology Information for civil partnership formation and dissolution statistics, detailing the strengths and limitations of the data, methods used and data uses and users.

    Keywords: same sex, civil partnerships, formations, dissolutions