Voice referendum boosted September ad spend: SMI

November 2, 2023 9:25

Australia’s ad spend got a one-off boost from Voice referendum campaigning in September, but total advertising revenue fell short of last year’s total, according to the latest SMI data.

Total ad spend in September declined by 3.8% year-on-year (YoY), compared to last year’s September, which was the first time the market topped $800 million/month.

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Lauren McNamara

Lauren McNamara is a freelance journalist. She previously spent three years at Mumbrella, most recently as the associate editor. She left her staff role in August 2025.