The Industrial Turnover Index in January 2019 registered the highest ever point for the first month of the year since data began being collected, according to figures released by the Statistical Service.
The index came to 129.0 units (base year 2015 = 100), the highest recorded for a January.
For manufacturing, the sub-index reached 124.2, or a 7.3 per cent increase on January 2018.
In mining and quarrying, the sub-index rose 5.4 per cent compared to January last year.
The sub-index for electricity supply went up by 38.6 per cent, and by 11.8 per cent for the Water Supply and Materials Recovery.
Manufacture of textiles, wearing apparel and leather products was up 12.6 per cent on January 2018.