Trends of the old-age

• 老龄化

Trends of the old-age的用法和样例：

例句

1. All the residents of the home were advanced in years.
   这个地区的居民处于老龄化阶段。
2. An endowment system will be established to meet the trend of population aging.
   建立适应老龄化发展趋势的养老保障体系。