As our national population grows older (and the superannuation system becomes increasingly burdened by the growing ranks of retirees), how will the government balance the books? The ratio of tax-paying adults to superannuitants is steadily falling, and raising the age of eligibility for super won't cover the forecasted shortfall. So what kind of fiscal policy changes are needed before public debt starts getting scary? Dominick Stephens, chief economic adviser at the Treasury, joins Bernard Hickey to discuss the long-term unsustainability of our current situation, the impacts of migration and outsized labour force participation by over-65s, and what’s at risk if we don’t make changes soon. Learn more about your ad choices. Visit megaphone.fm/adchoices