Western Australia recorded the highest mortgage delinquency rate in the year to May of 3.38 per cent, while the Australian average was 1.94 per cent, according to a report from Moody's Investors Service.

Western Australia recorded the highest mortgage delinquency rate in the year to May of 3.38 per cent, while the Australian average was 1.94 per cent, according to a report from Moody's Investors Service.