Costco, the US club retailer, has posted a 6% increase in full-year sales.

The company said growth was evenly weighted between its US and international businesses, both of which saw sales rise by 6%. 

Costco operates 634 warehouses, including 451 in the US and Puerto Rico, 85 in Canada, 33 in Mexico, 25 in the United Kingdom, 18 in Japan, 10 in Taiwan, nine in Korea and three in Australia. 

The company said revenues rose to US$102.9bn in the 52 weeks ended 1 September, up from $97.1bn in the comparable period of last year.

Costco is scheduled to release its operating results on 9 October.