Skip to main content
Northern Ireland Statistics and Research Agency

Main navigation

  • Home
  • Statistics and Research
  • Release Calendar
  • News
  • Selected for a survey
  • About Us

Quality and revisions documents - IOP

Date published: 16 June 2022

Statistics: Business, economy and trade,  Index of Production,  IOP quality and revisions

Index of Production (IOP) quality reports, latest revisions policy, and latest Seasonal Adjustment Review.

Documents

  • IOP Seasonal Adjustment Impact Review June 2025
  • IOP Seasonal Adjustment Impact Review, June 2025 Adobe PDF (2 MB)
  • IOP Quality Report May 2016 Adobe PDF (93 KB)
  • IOP Revisions Policy March 2016 Adobe PDF (43 KB)

Help viewing documents

Links

  • Official Statistics producer – Upholding Trust, Quality and Value
  • General Register Office - registration and certification of life events relating to births, deaths and marriages
  • nidirect.gov.uk – the official government website for Northern Ireland citizens
  • Website feedback

Follow NISRA

  • Follow us on X
  • Follow us on Facebook
  • Follow us on Linkedin
  • Follow us on Youtube
  • Follow us on Instagram

Footer

  • © Crown Copyright
  • Terms and conditions
  • Cookies
  • Privacy
  • Accessibility Statement