The Index of Industrial Production (IIP) for May 2026 increased by an estimated 3.3% compared to the previous month and 8.8% over the same period last year, according to data released by the National Statistics Office on June 3.
For the first five months of 2026, the IIP grew by 9.1% year-on-year, surpassing the 8.8% growth recorded in 2025 and marking the highest growth rate for the January–May period in the last four years.
Within the major industrial sectors, manufacturing and processing rose by 9.5%, contributing 7.4 percentage points to the overall growth. The mining sector increased by 5.5%, adding 0.9 percentage points, while electricity production and distribution grew by 7.6%, contributing 0.7 percentage points. The water supply and waste management sector saw a 9.5% increase, accounting for 0.1 percentage points of the total gain.
The report also highlighted strong performance across several key Level II industrial sectors. Metal production led with a 20.2% surge, followed by motor vehicles at 18.0%, and chemicals and chemical products at 16.9%. Other high-growth areas included non-metallic mineral products (16.2%), beverages (15.1%), furniture (11.6%), food processing (11.2%), and rubber and plastic products (10.9%). Paper products increased by 10.7%, fabricated metal products by 9.6%, textiles by 9.3%, and the manufacturing of electronics, computers, and optical products by 7.5%.
Conversely, a few sectors experienced declines, such as hard coal and lignite mining, which fell by 4.6%, and the production of other transport equipment, which dropped by 1.0%.
In terms of major industrial products, several items saw significant production increases during the first five months, notably motorcycles (up 36.0%), automobiles (up 26.7%), processed seafood (up 21.6%), and rolled steel (up 21.5%). Both sugar and beer production increased by 14.4%, while chemical paint grew by 14.3%.
On the other hand, some products recorded decreases, including NPK compound fertilizer (down 6.8%), monosodium glutamate (MSG) (down 6.0%), leather footwear (down 5.7%), and clean coal (down 4.7%).
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