老年型人口的三个亚型的划分及其意义

The division of the three sub-categories of the old population and its meaning -

根据不同国家和地区的老年型人口在年龄金字塔上的表现 ,将老年型人口划分为底部老龄化亚型、中部老龄化亚型和顶部老龄化亚型三个亚型 ,并给出了划分标准。老龄型人口三个亚型的划分 ,既是对人口类型划分理论的一种深化和完善 ,同时 ,也有利于我们更准确地把握人口年龄结构状况 ,有利于认识某一人口的发展态势和年龄结构的变动趋势 。

The current paper divided the old-aged population into bottom aging sub-category , middle aging sub-category and top aging sub-category according to the manifestation of the old-aged population in the aging pyramid in different countries and regions, and at the same time it put forward the division criterion The division of three sub-categories of the old-aged population is an intensification and improvement of the division theory of population categories At the same time , it is useful for us to grasp accurately the situation of population aging structure and to understand the development tendency and alteration trend of a certain population category It can also help us to make a countermeasure to meet the population aging challenge