中国人口老龄化状况的聚类分析

为了解全国各地区老龄化状况的联系和区别,对我国大陆31个省、市、自治区65岁及以上老年人口占总人口的比例、少儿人口比例、年龄中位数、10年内老年人口比例每年平均增加的百分点以及少儿人口抚养比和老年人口抚养比的测度值进行了考察,通过基于SPSS软件的聚类分析,将全国各地区的老龄化状况分成3大类,并对这3大类地区的特点进行描述和分析。

A Cluster Analysis of China's Ageing Population

In order to get an idea about the aging population in all the areas of our country,i.e.31 provinces,municipalities and autonomous regions,the authors examined the following data: population ratio of age 65 and over and of children,median age,the average increase percentage per year of aged population in 10 years,as well as the measuring index for support ratio of children and of old population.The authors conducted a cluster analysis based on SPSS software,classifying the whole country into 3 population areas according to the ageing status,and described their analysis of them.