Australia's national mortgage burden has surpassed the peak of the 1989 recession — when interest rates were 17% — according to fresh KPMG analysis that shatters the "Boomers had it tougher" narrative. Households now dedicate 5.4% of income to debt servicing despite rates sitting at roughly half that level, and that figure will push towards 6% once this year's rate hikes fully flow through. KPMG economist Terry Rawnsley calls it "myth-busting": borrowing...