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Tax structure and parameters statistics

Historic Income tax and National Insurance rates and allowances.

From:
HM Revenue & Customs
Published:
28 March 2014
Last updated:
15 July 2026 — See all updates

Main features of Income Tax (1948 to present) and National Insurance contributions (1975 to present).

You can find all tables for previous years on the National Archives website.

Statistics

Historical Tables

Updates to this page

Last updated:
15 July 2026
Show all updates

  1. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data up to the 2026 to 2027 tax year.

  2. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data up to the 2025 to 2026 tax year.

  3. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data up to the 2024 to 2025 tax year.

  4. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data for the 2022 to 2023 tax year.

  5. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data for the 2021 to 2022 tax year.

  6. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data for the 2020 to 2021 tax year.

  7. The publications 'Income Tax personal allowances and reliefs', 'Rates of Income Tax' and 'National Insurance contributions' have been updated with data for the 2019 to 2020 tax year.

  8. Updated tables

  9. Updated tables

  10. Tables updated for 2016-17.

  11. Tables updated for 2015-16

  12. Various tables updated to March 28th 2014.

  13. First published.

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