Question to the HM Treasury:

To ask the Chancellor of the Exchequer, how many (a) basic, (b) higher and (c) additional rate taxpayers there were in each Parliamentary constituency in the latest financial year for which data is available.

HMRC’s Personal income by tax year statistics contains constituency-level breakdown of taxpayer numbers for 2020-2021, the latest available outturn, in Table 3.15. below:

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1140547/Collated_Tables_3_12_to_3_15a_2021.ods

Further breakdowns of this information are not readily available and cannot be provided in the time available.

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1165832/govuk_tables_.xlsx

For projection years, HM Treasury does not publish this information at constituency level.