Japan's household spending posted a surprise drop in May, falling for the third consecutive month as the global chip shortage hurt car sales in a worrying sign for the outlook of the world's third-largest economy.

Households are also facing pressure from the yen's sharp decline that is pushing up prices of imported fuel and food at a time when consumer confidence still has to fully shake off the drag of the coronavirus pandemic.

Spending slipped 0.5% in May from a year earlier, government data showed on Friday, dragged down by lower expenditure on vegetables as well as cars, where supplies have been hit by chip shortages and supply chain disruption.