Ageism refers to two concepts: a socially constructed way of thinking about older persons based on negative attitudes and stereotypes about aging and a tendency to structure society based on an assumption that everyone is young, thereby failing to respond appropriately to the real needs of older persons.
From: WHO. (2021) Ageism is a global challenge: UN. https://www.who.int/news/item/18-03-2021-ageism-is-a-global-challenge-un
Related Terms: old age, middle age, senior, elderly, geriatric