"[t]he United Nations forecasts that, by 2050, the global number of persons over age 65 will reach 1.6 billion, double the number in 2021.... [A]lmost half a billion people will be age 80+, almost triple the number in 2021. In contrast, the number of people below age 25 is likely to decline slightly over that period.... Rising old-age longevity also has key implications for retirement savings targets.... The lengthening lifespans may imply global labor market shortages, as well as burgeoning costs for health care, pensions, and eldercare, with the burden falling on ever-fewer workers per retiree."  MORE >>