Featured data items
IFS revenue composition spreadsheet
A spreadsheet with total UK government revenues since 1946 and a breakdown of revenues since 1978.
IFS spending composition sheet
A spreadsheet with a breakdown of UK government spending over time.
IFS Fiscal Facts
Spreadsheets with information on the main parameters – i.e. the tax rates and thresholds – of the different UK taxes.
All data items
Corporation tax revenue as a share of GDP over time
Revenue from North Sea oil and gas as a share of GDP over time
Offshore corporation tax rates, 2021–22
Bank levy rates over time
Corporation tax schedule, 2023–24
Main corporation tax rates over time
The annual investment allowance over time
Corporation tax rates over time
The distributional impact of National Insurance contributions (2024–25)
Forecast revenue from National Insurance contributions in Great Britain by source, 2023–24
Combined marginal rates of income tax and National Insurance contributions, 2024–25