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).

Outturn data are the Quarterly National Accounts figures from the ONS, 30 June 2022.

Forecasts covering periods 2022-23 to 2026-27 (2022 to 2026) are from the OBR as at the Spring Statement 23 March 2022.

GDP deflators for financial years 1955-56 to 2021-22 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2021 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.

The next GDP deflator update will be shortly after the Autumn Statement 23 November 2022.

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).

Outturn data are the Quarterly National Accounts figures from the ONS, 31 March 2020. GDP deflators for financial years 1955-56 to 2018-19 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.

Forecasts covering periods 2019-20 to 2024-25 (2020 to 2024) are from the OBR as at the Budget 11 March 2020. The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release of 30 June 2020.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 30 June 2016. GDP deflators from 1955-56 to 2015-16 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2015 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts are from the OBR as at the Budget of 16 March 2016.

The next scheduled GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 30 September 2016.

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 Autumn Statement).

Outturn data covering the years 1955-56 to 2023-24 (1955 to 2024) are based on the Quarterly National Accounts, 28 March 2025.

Forecasts covering periods 2024-25 to 2029-30 (2025 to 2029) are from the OBR as at the Spring Statement 26 March 2025.

GDP deflators for financial years 1955-56 to 2023-24 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2024 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.

The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 30 June 2025.

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).

Outturn data covering the years 1955-56 to 2021-22 (1955 to 2021) are the Quarterly National Accounts figures from the ONS, 22 December 2022.

Forecasts covering periods 2022-23 to 2027-28 (2022 to 2027) are from the OBR as at the Autumn Statement 17 November 2022.

GDP deflators for financial years 1955-56 to 2021-22 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2021 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.

The next GDP deflator update will be shortly after the Budget of 15 March 2023.

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 Autumn Statement).

Outturn data covering the years 1955-56 to 2024-25 (1955 to 2024) are based on the Quarterly National Accounts, 30 June 2025.

Forecasts covering periods 2025-26 to 2029-30 (2025 to 2029) are from the OBR as at the Spring Statement 26 March 2025.

GDP deflators for financial years 1955-56 to 2024-25 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2024 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.

The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 30 September 2025.

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).

Outturn data are the Quarterly National Accounts figures from the ONS, 31 March 2022.

Forecasts covering periods 2021-22 to 2026-27 (2022 to 2026) are from the OBR as at the Spring Statement 23 March 2022.

GDP deflators for financial years 1955-56 to 2020-21 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2021 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.

The next GDP deflator update will be shortly after the 30 June 2022 Quarterly National Accounts release from the ONS.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts (usually twice a year).

Outturn data are the latest Quarterly National Accounts figures from the ONS, 20 December 2013. GDP deflators from 1955-56 to 2012-13 (1955 to 2012) have been taken directly from ONS Quarterly National Accounts implied deflator at market prices series http://www.ons.gov.uk/ons/datasets-and-tables/data-selector.html?cdid=L8GG&dataset=qna&table-id=N" class="govuk-link">L8GG.

Forecasts are consistent with data produced by the OBR for the 19 March 2014 Budget.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 30 June 2017. GDP deflators from 1955-56 to 2016-17 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2016 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts are from the OBR as at the Spring Budget 8 March 2017. The next scheduled GDP deflator update will be shortly after the Quarterly National Accounts scheduled for September 2017.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Forecasts are from the OBR as at the Budget 16 March 2016.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 23 December 2015. GDP deflators from 1955-56 to 2014-15 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2014 have been taken from calendar period ONS series MNF2.

Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

The next scheduled GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 31 March 2016.

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). The GDP deflator dataset is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Forecasts covering periods 2018-19 to 2023-24 (2018 to 2023) are from the OBR as at the budget 29 October 2018. Outturn data are Quarterly National Accounts figures from the ONS, 28 September 2018. GDP deflators from 1955-56 to 2017-18 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2017 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release of 21 December 2018.

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). The GDP deflator dataset is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are Quarterly National Accounts figures from the ONS, 29 June 2018. GDP deflators from 1955-56 to 2017-18 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2017 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts covering periods 2018-19 to 2022-23 (2018 to 2022) are from the OBR as at the Spring Statement 13 March 2018.

The next GDP deflator update will be shortly after the Quarterly National Accounts of 28 September 2018.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 30 June 2015. GDP deflators from 1955-56 to 2014-15 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2014 have been taken from calendar period ONS series MNF2.

Forecasts are from the OBR as at the 18 March 2015 Budget.

The next scheduled GDP deflator update will be shortly after the Summer Budget of 8 July 2015.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts (usually twice a year).

Outturn data are the latest Quarterly National Accounts figures from the ONS, 28 March 2014. [GDP deflators from 1955-56 to 2012-13 have been taken directly from fiscal period ONS series http://www.ons.gov.uk/ons/rel/naa2/quarterly-national-accounts/q4-2013/rft-data-ref-tables-q4-2013.xls" class="govuk-link">L8GG (Table N) . GDP deflators from 1955 to 2013 have been taken from calendar period ONS series http://www.ons.gov.uk/ons/rel/naa2/quarterly-national-accounts/q4-2013/rft-data-ref-tables-q4-2013.xls" class="govuk-link">MNF2 (Table O).

Forecasts are consistent with data produced by the OBR for the 19 March 2014 Budget.

Revisions to Calendar Year GDP Deflators at Market Prices

Calendar year GDP deflators have been revised from 1955 to 2013 in these spreadsheets. It is now correctly referencing ONS calendar year series MNF2 rather than MNX5 and therefore market prices rather than basic prices data.

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).

Outturn data are the Quarterly National Accounts figures from the ONS, 30 June 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.

Forecasts covering periods 2020-21 to 2024-25 (2020 to 2024) are from the OBR as at the Budget 11 March 2020.

The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release of 30 September 2020.

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).

Outturn data are the Quarterly National Accounts figures from the ONS, 30 September 2019.

GDP deflators for financial years 1955-56 to 2018-19 have been taken directly from ONS series L8GG. GDP deflators for calendar years 1955 to 2018 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.

Forecasts covering periods 2019-20 to 2023-24 (2019 to 2023) are from the OBR as at the Spring Statement 13 March 2019.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts (usually twice a year).

Outturn data are the latest Quarterly National Accounts figures from the ONS, 31 March 2015. GDP deflators from 1955-56 to 2013-14 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2014 have been taken from calendar period ONS series MNF2.

Forecasts are from the OBR as at the 18 March 2015 Budget.

The next scheduled GDP deflator update will be shortly after the ONS Quarterly National Accounts release which is due out 30 June 2015.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 31 March 2016. GDP deflators from 1955-56 to 2014-15 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2015 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts are from the OBR as at the Budget of 16 March 2016.

The next scheduled GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 30 June 2016.

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).

Outturn data are the Quarterly National Accounts figures from the ONS, 28 June 2019. GDP deflators from 1955-56 to 2018-19 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2018 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts covering periods 2019-20 to 2023-24 (2019 to 2023) are from the OBR as at the Spring Statement 13 March 2019.

The next GDP deflator update will be shortly after the ONS Quarterly National Accounts release scheduled for 30 September 2019.

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). The GDP deflator set is updated after every ONS Quarterly National Accounts release (at the end of each quarter) and whenever the OBR updates its GDP deflator forecasts.

Outturn data are the latest Quarterly National Accounts figures from the ONS, 30 September 2016. GDP deflators from 1955-56 to 2015-16 have been taken directly from fiscal period ONS series L8GG. GDP deflators from 1955 to 2015 have been taken from calendar period ONS series MNF2. Non-seasonally adjusted money GDP for calendar and fiscal periods are taken from ONS series BKTL. For fiscal periods only, seasonally adjusted money GDP series YBHA has also been included.

Forecasts are from the OBR as at the Budget of 16 March 2016.

The next scheduled GDP deflator update will be shortly after the Autumn Statement scheduled for 23 November 2016.