AARP, formally the American Association of Retired Persons, is a United States-based non-governmental organization and interest group, founded in 1958 by Ethel Percy Andrus, PhD, a retired educator from California. The organization is based in Washington, D.C. According to its mission statement, it is "a nonprofit, nonpartisan membership organization for people age 50 and over ... dedicated to enhancing quality of life for all as we age, [providing] a wide range of unique benefits, special products, and services for our members. "