Consumers have their most pessimistic month since 1990

Economics experts say cost-of-living pressures continue to weigh on households around Australia. Photo: AAP

High prices in the shops and aggressive interest rate hikes have pushed consumer confidence to its lowest monthly level in more than three decades.

The weekly measure of consumer confidence from ANZ and Roy Morgan has been stuck at low levels, and in May returned its worst calendar month average since December 1990.