Usage patterns
〈物〉は高齢者向けだ(something) is designed for elderly people
This smartphone is made for elderly users.
高齢者を介護するto care for an elderly person
She takes care of an elderly person at home.
高齢者の数が増えるthe number of elderly people increases
The number of elderly people in this area is increasing every year.
独り暮らしの高齢者an elderly person living alone
We visit elderly people living alone to check on their safety.