noun
super-aged society
A demographic term for a society where more than 21% of the population is aged 65 or older. Used in policy, sociology, and news contexts.
日本はすでに超高齢社会に入っている。
Japan has already entered a super-aged society.
超高齢社会では医療費の増大が課題となる。
In a super-aged society, rising medical costs become a challenge.
Compound of 超 (super, ultra), 高齢 (old age), and 社会 (society). A modern demographic term modeled on the English 'super-aged society'.