Average spending per person celebrating the event is tipped to be 7 per cent stronger,at $93 each,according to consumer data from the association and Roy Morgan.
Australians aged between 35 and 49 are the most likely to mark Halloween,according to consumer surveys by the two groups,followed by those aged 18 to 34.
The retailers’ association’s boss,Paul Zahra,said the occasion marked a “welcome break from routine” and gave families a chance to get together despite cost-of-living pressures.
“It’s also important for retailers to build sales momentum in the run-up to Christmas,” he said.
Major consumer brands,including the nation’s discount department stores,have already started rolling out their Halloween ranges.
Wesfarmers-owned Kmart and Target have launched ranges of costumes,clothing and home decor,while Big W is offering everything from costumes to fake blood to themed pet accessories.