中国经济社会发展中的许多矛盾和问题都与人口问题分不开,人口因素成了制约中国经济和社会发展的关键因素和首要问题。当前和今后一个时期,我国人口发展面临的突出问题是,总人口、劳动年龄人口、老年人口、流动人口4个高峰相继到来,人口与经济社会资源环境协调发展和可持续发展 Many contradictions and problems in China’s economic and social development are inseparable from population issues. Demographic factors have become the key factor and the primary issue that restrict China’s economic and social development. At present and for a period in the future, the prominent problem facing our population development is that the four peaks of the total population, working-age population, elderly population and floating population come one after another, and the coordinated development of population, economy and society resources and environment and sustainable development