21. The characteristics of Social Security beneficiaries who claim benefits at the early entitlement age Publication: Washington, D.C. : AARP Public Policy Institute, c2008 Subject(s): Financing, PersonalRetirement -- statistics & numerical dataSocial Security -- economicsSocial Security -- statistics & numerical dataAfrican AmericansAgedDisabled PersonsEducational StatusEligibility DeterminationEmploymentEuropean Continental Ancestry GroupHealth StatusHispanic AmericansMiddle AgedRetirement -- economicsSocioeconomic FactorsFemaleHumansMaleUnited States