Latest Results (Quarter 3 2025) - Published 18 December 2025
Headline results
The NI IOP increased by 0.8% over the quarter (July - September) and increased by 3.8% over the year.
The UK IOP decreased by 0.5% over the quarter and by 0.9% over the year.
When the most recent four quarters are compared to the previous four quarters, the NI production sector increased by 3.5% while the UK production sector decreased by 0.5%.
The NI IOP is 7.2% above the pre-Coronavirus pandemic level seen in Quarter 4 2019, while the UK remains 8.2% below its Quarter 4 2019 level.
Over the quarter the increase in NI production output was driven by a rise in the Manufacturing (0.4%) and Electricity, gas, steam and air conditioning supply (2.3%) sectors. This was partially offset by decreases in the Water supply, sewerage and waste management (Inc. recycling) (2.6%) and Mining and quarrying (1.4%) sectors.
Similarly, over the year the increase in NI production output was driven by a rise in all four main sectors – Manufacturing (3.5%), Electricity, gas, steam and air conditioning supply (6.0%), Water supply, sewerage and waste management (Inc. recycling) (1.4%) and Mining and quarrying (15.4%).
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Current publication and tables
Index of Production Quarter 3 2025 statistical bulletin and data tables
Historical bulletins
Historical statistical bulletins for the Index of Production (Quarter 1 2014 to Quarter 4 2021) are retained on the Index of Production - historical statistical bulletins page. Statistical bulletins from Quarter 1 2022 onwards can be found under related documents.
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The next IOP Bulletin is due to be published on 19th March.