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Index system and attributes of population aging.
| Level 1 Indicators | Secondary Indicators | Attribute |
|---|---|---|
| The breadth of the population is aging | Population coefficient of the elderly | forward pointer |
| The proportion of children’s population | negative indicators | |
| Old and young than | forward pointer | |
| The population is aging deeply | Senior support ratio | forward pointer |
| Child support ratio | forward pointer | |
| The rate of an aging population | Growth rate in the elderly population | forward pointer |
