关键词: 人口老龄化, 城乡差异, 城乡倒置

Abstract: Based on the urban-rural data by age and sex released by the United Nations in 2014, It is found that the phenomenon of urban-rural inversion of population ageing is universal. There are clear developmental stages for the differences between urban and rural population ageing with two turning points when the proportion of population aged 60+ reaches 3% ~ 4% and 10% . In the first stage ( the proportion of population aged 60+ is less than 3. 5% ),the urban-rural difference increases by 0. 172 percentage for every percentage increase of population aged 60 and over in the total population. In the second stage ( the proportion of population aged 60+ is between 3. 5% and 10% ), the urban-rural difference is reduced by 0. 243 percentage for every percentage increase of population aged 60 and over in the total population. In the third stage,the urban-rural difference increases by 0. 211 percentage for every percentage increase of population aged 60 and over in the total population. Combined with theoretical analyses,this paper proposes a revised “urban-rural differences transition model” explaining the inversion pattern of urban-rural ageing in most of the world??s countries and regions.

Keywords: Population Ageing, Urban-Rural Differences, Urban-Rural Inversion