上游充通大学 1.Introduction Shanghai Jiao Tong University Family planning is a long-term basic state policy of China. The next 30 years is to ensure that the low fertility level stability,critical period of population by slow growth to zero growth On the current in the aging society,parents and children,fewer children, empty nest,economic pressure,to retirement prospects cast a shadow Care for the elderly/disabled become an urgent social problem Nearly 487 million 嗅儿女们也不客易呀！ 35% 30% 25% 20% 15% 10% 5% 0% 1950 2009 2050 The proportion of the older persons aged over 60 all over the world The proportion of the older persons aged over 60 in ChinaShanghai Jiao Tong University 1. Introduction Family planning is a long-term basic state policy of China. The next 30 years is to ensure that the low fertility level stability, critical period of population by slow growth to zero growth On the current in the aging society, parents and children, fewer children, empty nest, economic pressure, to retirement prospects cast a shadow Care for the elderly/disabled become an urgent social problem 0% 5% 10% 15% 20% 25% 30% 35% 1950 2009 2050 The proportion of the older persons aged over 60 all over the world The proportion of the older persons aged over 60 in China Nearly 487 million