Growing numbers of older people compared to younger ones in a population could create unsustainable burdens on social support and healthcare systems if a greater number of older people are dependent on a declining proportion of working - age people in the population. (sciencedaily.com)
«The president's infrastructure proposal would do very little to make our ailing infrastructure better, but would put unsustainable burdens on our local government and lead to Trump tolls all over the country,» said Senate Minority Leader Chuck Schumer. (fortune.com)
«As unpopular as it may be to talk about working longer - the simple fact is that if we aren't prepared to increase the state pension age, we will simply pass an ever greater and frankly unsustainable burden onto our children and grandchildren,» he said. (politics.co.uk)