Industrial exports fell 5.8% on an annual comparison basis, while domestic industrial sales dropped 1.1%, the statistical office said in a statement.
Sales of intermediate goods decreased by 1.9% on the year, while sales of non-durable consumer goods rose 6.4%. Sales of durable goods added 3.4% year-on-year.
Sales of capital goods decreased by 1.8% year-on-year in October, while sales of energy fell sharply by 32.7%.
On a monthly comparison basis, Croatia's industrial sales increased by 2.3% in October.
The country's industrial sales dropped 3.3% in the January-October period.