Index of Production

The IOP provides information on the output of the production industries, manufacturing industries, manufacturing productivity and market trends.

Latest Results (Quarter 4 2017) - Published 28th March 2018

Headline results:

  • The Northern Ireland Index of Production for Quarter 4 2017 was originally due to be published on 21st March 2018 but was delayed until 28th March 2018 to allow for further quality assurance checks
  • Provisional results from the Index of Production (IOP) for the fourth quarter (October-December) of 2017 showed that output in Northern Ireland (NI) grew by 0.9% over the quarter but fell 5.9% over the year (from a series high)
  • The annual decline in production output is driven by a substantial decline in the Food, Beverages and Tobacco sub sector (41.1%)
  • In the UK as a whole, production output rose over the quarter (0.5%) and year (2.3%)
  • When the most recent four quarters are compared to the previous four quarters, output in the NI production sector fell by 2.7%, with the whole of the UK reporting growth on this basis of 2.1%
  • The output from the overall production industries (seasonally adjusted) is 9.9% above the low point recorded in Quarter 3 (July-September) 2009

Current publication and tables

Historical bulletins

Index of Production - historical statistical bulletins

Mailing list

If you would like to be added to a mailing list and receive the latest publications on the day they publish please email: with the title of the publications you would like to receive.

Related statistics

IOP quality and revisions

Details of quality and revisions for the Index of Production.

Read more

IOP supplementary information

Supplementary information for the Index of Production.

Read more