NSW Treasurer Dominic Perrottet will on Monday launch the 2021-22 NSW Intergenerational Report - a once-in-five-years piece of work that looks at where the state will be in four decades' time. Treasury forecasters say the median age in NSW will jump to 44, a near-50 per cent increase on the median age of 30 in 1981. Treasury forecasters say the median age in NSW will jump to 44, a near-50 per cent increase on the median age of 30 in 1981 (pictured, a surfer at Bondi Beach)The ageing population will increase demand for healthcare resources and lead to lower workforce participation rates. The ageing population will increase demand for healthcare resources and lead to lower workforce participation rates (pictured, a NSW man receives a Covid jab)The state needs to build 1.7 million more homes to accommodate the growing population. NSW will become the country's first trillion-dollar economy, worth around $1.4trillion by 2061 in today's dollars.