China's Working-Age Population Sees Biggest Drop In Modern History

China's working-age population saw its largest decline in modern China's history in 2015, a trend that worried demographers and economists. Defined as people between 16 to 60, the working-age population fell by a record 4.87 million, more than the population of Ireland, to 911 million, sharper than 2014's fall of 3.71 million, according to the National…