摘要：摘要：我国是人口第一的大国，一方面是人口总数持续增长，一方面是人口平均寿命不断延长，人口老龄化是不可避免，且愈演愈烈的社会难题。从人口普查老龄化数据以及年龄构成来看，我国少儿人口比重回升，生育政策调整取得了积极成效。同时，人口老龄化程度进一步加深。
Abstract: China is a big country with the first population, on the one hand, the total number of population continues to grow, on the other hand, the average life expectancy of the population continues to extend, the aging of the population is inevitable, and increasingly fierce social problem. From the aging data and the age composition, the proportion of children in China has rebounded, and the adjustment of the birth policy has achieved positive results. At the same time, the aging degree of the population has been further deepened.