All methodology

  • Marriages in England and Wales QMI

    Methodology | Released on 11 May 2023

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

    Keywords: marriages, same-sex, opposite-sex, marital status, ceremony type

  • International passenger survey QMI

    Methodology | Released on 10 May 2023

    Quality and Methodology Information for the International Passenger Survey detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: Travel, Tourism, Overseas, IPS, Visits

  • Construction output price indices (OPIs) QMI

    Methodology | Released on 10 May 2023

    Quality and methodology information for Construction Output Price Indices, detailing the strengths and limitations of the data, methods used and data uses and users.

    Keywords: construction industry, building, data quality, repair and maintenance, costs

  • Mergers and acquisitions involving UK companies (M&A) QMI

    Methodology | Released on 5 May 2023

    Quality and methodology information for the Mergers and acquisitions statistical bulletin, detailing the strengths and limitations of the data, methods used and data uses and users.

    Keywords: M&A, disposals, transactions, shares, business practices

  • Electoral statistics, UK QMI

    Methodology | Released on 20 April 2023

    Quality and Methodology Information for the Electoral statistics release detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: local government, Parliamentary constituencies, electors, voters

  • Conception statistics QMI

    Methodology | Released on 30 March 2023

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

    Keywords: maternity, pregnancy, teenage

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

    Methodology | Released on 30 March 2023

    Information on the Coronavirus (COVID-19) Infection Survey data collection method change from study worker home visit to remote data collection. This survey is being delivered in partnership with University of Oxford, University of Manchester, UK Health Security Agency (UKHSA) and Wellcome Trust, working with the University of Oxford and partner laboratories to collect and test samples.

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

  • Child and infant mortality statistics QMI

    Methodology | Released on 1 March 2023

    Quality and Methodology Information for child and infant mortality statistics, detailing the strengths and limitations of the data, methods used and data uses and users.

    Keywords: deaths, infant deaths, stillbirths, live births, childhood deaths

  • International trade in services QMI

    Methodology | Released on 9 February 2023

    Quality and methodology information for the International Trade in Services (ITIS) survey data detailing the strengths and limitations of the data, methods used, and data uses and users.

    Keywords: ITIS, transactions, businesses, imports, exports, GDP

  • Gross domestic product (GDP), UK regions and countries QMI

    Methodology | Released on 3 February 2023

    Quality and Methodology Information (QMI) for quarterly regional and countries gross domestic product (GDP). Includes strengths and limitations, methods and uses.

    Keywords: methodology, advantages and disadvantages, users, collection, datasets