noun, noun which may take the genitive case particle 'no'
mature age; middle-aged and beyond
Refers to people past middle age who have gained life experience and wisdom; often used in contexts like 熟年世代 or 熟年夫婦. Not a precise age bracket.
熟年世代の旅行が人気だ。
Travel for the mature generation is popular.
あの熟年夫婦はいつも仲がいい。
That middle-aged couple always gets along well.