GDP deflators at market prices, and money GDP November 2020 (Spending Review)
This document contains the latest gross domestic product (GDP) deflators. The GDP deflator can be viewed as a measure of general inflation in the domestic economy.
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A series for the GDP deflator in index form is produced by the Treasury from data provided by the Office for National Statistics (ONS) and the Office for Budget Responsibility (OBR). GDP deflator outturn are based on the ONS Quarterly National Accounts release (at the end of each quarter). However, a more recent version of ONS GDP outturn may be used depending on when the OBR updates its GDP deflator forecasts (usually at Budget and Spring Statement).
Forecasts covering periods 2020-21 to 2025-26 (2020 to 2025) are from the OBR as at the Spending Review 25 November 2020.
Outturn data are the Quarterly National Accounts figures from the ONS, 30 September 2020. GDP deflators for financial years 1955-56 to 2019-20 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2019 have been taken from ONS series MNF2. Non-seasonally adjusted money GDP for calendar and financial years are taken from ONS series BKTL. For financial years only, seasonally adjusted money GDP series YBHA has also been included.