Skip to content


This section details the improvements currently being made to index of production (IoP), index of services (IoS) and the output approach to gross domestic product GDP(O) as part of the programme of work laid out in the articles below.

GDP(O) improvement report, September 2014
This article provides a detailed update of the work for Blue Book 2014 (BB14) and outlines the work being undertaken for the GDP(O) improvement project.

Industry reviews Blue Book 14 implementation
This article covers the changes owing to industry reviews, the expansion of the monthly business survey (MBS) and improvements to public sector output that will be introduced when revised figures for the UK national accounts, consistent with blue book 14, are published in September 2014.

GDP(O) improvement report, June 2013 (277.8 Kb Pdf)
Provides a detailed update of the work so far and outlines the greater scope of the project as part of the GDP continuous improvement programme.

IoS – industry reviews, August 2012 (249.1 Kb Pdf)
Provides greater detail on how the process will proceed, including the industries chosen for review and the status of experimental industries within IoS.

IoS – industry reviews, March 2012 (158.6 Kb Pdf)
Signals the intention to relaunch the industry review process and consult with users on how we should proceed.

Summary of IoP improvements from October 2011

Industry reviews

The industry review programme plays a significant part in the GDP(O) improvement project; further details on the industry review process including reports can be found on the industry reviews page.

Content from the Office for National Statistics.
© Crown Copyright applies unless otherwise stated.