Aging refers to the process of the relative increase of the elderly population and the increase of its proportion in the total population, and refers to the fact that the social population structure is in an aging state and enters an aging society.
The characteristics of aging in China are: the aging reached its peak ahead of time, entered the aging stage under the condition of underdeveloped social economy, and spent the aging stage under multiple pressures.
The proportion of elderly people aged 60 and above in the total population exceeds 10%, which means that this country or region has entered a serious aging.