Official Statistics

Quality report: Measuring tax gaps

Quality report for statistics relating to measuring tax gaps.

• From: HM Revenue & Customs
• Published: 10 October 2013
• Last updated: 23 June 2026
  Show all updates

  1. 23 June 2026

     Published 'Background quality report: Measuring tax gaps 2026' and archived the 2025 edition.

  2. 19 June 2025

     Published 'Background quality report: Measuring tax gaps 2025' and archived the 2024 edition.

  3. 20 June 2024

     Published 'Background quality report: Measuring tax gaps 2024' and archived the 2023 edition.

  4. 22 June 2023

     Published 'Background quality report: Measuring tax gaps 2023' and archived the 2022 edition.

  5. 23 June 2022

     Published 'Background quality report: Measuring tax gaps 2022' and archived 2021 report.

  6. 16 September 2021

     Page updated to publish the 2021 Measuring tax gaps quality report.

  7. 9 July 2020

     Page updated to publish the 2020 Measuring tax gaps quality report.

  8. 13 February 2020

     Added quality report for 2019.

  9. 14 June 2018

     Updated to publish the 2018 quality report.

  10. 26 October 2017

      Updated to publish the 2017 quality report.

  11. 20 October 2016

      Updated to publish the 2016 quality report.

  12. 22 October 2015

      Updated to publish the 2015 quality report.

  13. 16 October 2014

      Updated document

  14. 10 October 2013

      First published.

Documents

Background quality report: Measuring tax gaps 2026

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Details

Quality reports pull together key information showing how the various dimensions of quality have been considered.

Read the full Measuring tax gaps report.

Previous quality reports are available on The National Archives website:

• 2025

• 2024
• 2023
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014