Somnath Chatterji of the World Health Organization describes the extent to which the Chinese and Indian populations are aging at a hearing held by the policy journal "Health Affairs." He says that in the next four decades, almost 40 percent of the world's old will live in China and India. He adds that the two countries are growing older before growing richer, creating huge implications in policy decisions. (1:07)
Rate of population aging is "mind-boggling" in China and India says World Health Organization rep