American Association of Retired Persons (AARP) is an organisation which takes care of need of the middle-aged and elderly people.
Explanation:
An independent and non-profit organisation which helps to take care of the problems of the middle-aged and elderly people in the United States is called AARP. The expansion of AARP is American Association of Retired persons.
All people who are above 50 years of age are eligible to enrol themselves in this organisation by paying $12 as membership fees and it includes free membership for spouses. The head office of AARP is situated at Washington DC where the elected office bearers will take care of daily routine of the office.