关键词: 人口老龄化, 指标测量, 放大效应, 缩小效应

Abstract: Ageing measurement and manipulation is the foundation of ageing research. Due to the failure of the analytical power of traditional indicators or theories, there are many hidden facts in China’s current ageing problem. The traditional age division standard will overstate the proportion of working-age population, reducing the dependency ratio of the elderly. Registered residence index will over-evaluate the ageing of the urban population and reduce that of the rural population. In the context of substantial migration, the nominal family structure will overrate the old-age supporting function of family, reducing the burden on the government. Healthy life expectancy will magnify the achievement of healthy ageing, reducing the crisis of unhealthy ageing. The traditional age standard will overestimate the burden of providing care for the elderly, reducing the role of the elderly themselves. It is important to reflect the traditional ageing indicators and their reliability and validity, and to explore new indicators to update the ageing research.

Keywords: Population Ageing, Index Measurement, Amplification Effect, Reduction Effect