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  • National Population Projections: 2014-based projections

    Released on: 29 October 2015 | Compendium

    National population projections provide an indication of the future size and age structure of the UK and its constituent countries based on a set of assumptions of future fertility, mortality and migration, including a number of variant projections based on alternative scenarios.

  • National population projections: 2016-based projections, methodology

    Released on: 26 October 2017 | Compendium

    National population projections provide an indication of the future size and age structure of the UK and its constituent countries based on a set of assumptions of future fertility, mortality and migration, including a number of variant projections based on alternative scenarios.

  • National Population Projections: 2014-based reference volume, series PP2

    Released on: 30 March 2016 | Compendium

    National population projections provide an indication of the future size and age structure of the UK and its constituent countries based on a set of assumptions of future fertility, mortality and migration, including a number of variant projections based on alternative scenarios.

  • Z2 - Zipped population projections data files - extra variants, Great Britain

    Released on: 28 November 2017 | Dataset

    Open data for Great Britain extra variant projections. Single year of age and sex with underlying data.

  • Household language: 2021

    Released on: 28 March 2023 | Dataset

    This dataset provides Census 2021 estimates that classify households in England and Wales by the combination of adults and children within a household that have English (English or Welsh in Wales) as a main language. The estimates are as at Census Day, 21 March 2021.

  • National Population Projections: 2014-based extra variants report

    Released on: 26 November 2015 | Article

    Population projections are uncertain and become increasingly so the further they are carried forward in time. In addition to the principal (main or central) projection, variant projections are therefore produced based on alternative assumptions of future fertility, mortality and net migration. In order to publish the principal and main variants as early as possible, publication is separated into 2 releases.

  • Z6 - Zipped population projections data files - extra variants, Northern Ireland

    Released on: 28 November 2017 | Dataset

    Open data for Northern Ireland extra variant projections. Single year of age and sex with underlying data.

  • Household composition by ethnic group of Household Reference Person: 2021

    Released on: 15 January 2024 | Dataset

    This dataset provides Census 2021 estimates that classify Household Reference Persons in England and Wales by household composition and by ethnic group. The estimates are as at Census Day, 21 March 2021.

  • Household composition: 2021

    Released on: 16 November 2023 | Dataset

    This dataset provides Census 2021 estimates that classify households in England and Wales by the relationships between household members (household composition). The estimates are as at Census Day, 21 March 2021.

  • International migration estimates and assumptions for national population projections: 2021-based interim

    Released on: 30 January 2024 | Dataset

    Estimated total international migration for the UK, for years ending mid-2014 to mid-2023 used in assumption setting for national population projections: 2021-based interim. Short- and long-term UK-level international migration assumptions used in national population projections: 2021-based interim.