The Administration on Aging (AoA), an agency in the U.S. Department of Health and Human Services is the official Federal agency dedicated to policy development, planning and the delivery of supportive home and community-based services to older persons and their caregivers. The AoA administers the Older Americans Act and works through the national aging network of State Units on Aging, Area Agencies on Aging, Tribal and Native organizations representing 300 American Indian and Alaska Native Tribal organizations, and two organizations serving Native Hawaiians, plus thousands of service providers, adult care centers, caregivers, and volunteers.