超ちょう高こう齢れい化か社しゃ会かい

noun

super-aging society

A demographic term for a society where the proportion of elderly people is very high, typically over 21% aged 65 or older. Often used in policy and news contexts.

• 日本にほんはすでに超ちょう高こう齢れい化か社しゃ会かいに突とつ入にゅうしている。

  Japan has already entered a super-aging society.

• 超ちょう高こう齢れい化か社しゃ会かいでは医い療りょう費ひの増ぞう大だいが大おおきな課か題だいだ。

  In a super-aging society, rising medical costs are a major challenge.