CHONGQING, Dec. 12 (Xinhua) China has 264 million people aged 60 years and above, accounting for 18.7 percent of its 1.4 billion population in total, accordi
CHONGQING, Dec. 12 (Xinhua) China has 264 million people aged 60 years and above, accounting for 18.7 percent of its 1.4 billion population in total, accordi