WARSAW--Poland's industrial output growth was slightly faster than expected in July with export-oriented industries leading growth.

Output rose by an annual rate of 2.3% in July from 1.7% in June, Poland's statistics office said Wednesday, above the 2.1% forecast in The Wall Street Journal survey of 13 bank economists.

Seasonally adjusted output grew 2.2% on the year.

Output grew annually in 24 out of 34 categories, with furniture production up 14.2%, the automotive sector up 14.0%, and electronics up 11.1%. The sharpest declines were recorded in the production of other transportation equipment and coal mining.

Construction output rose 1.1% on the year.

Polish producer prices declined at an annual rate of 2.0% in July, the statistics office said. The figure was below the forecasted 1.8% decline and compared with a revised 1.8% drop in June.

Write to Patryk Wasilewski at patryk.wasilewski@wsj.com