AARP prides itself on being one of the leading voices for addressing the needs of an aging America.  It is a nonprofit organization dedicated to helping older Americans achieve lives of independence and purpose.  AARP empowers its members to serve all generations.  It is a dynamic presence in most communities, enriching the experience of aging.

Alzheimers.org is an invaluable, gateway site providing basic information on the disease, its clinical management, and family caregivers.  The site is dedicated to providing practical, up-to-the-minute information to empower caregivers to manage the disease more confidently, effectively, and economically. 

The Health Care Financing Administration (HCFA) is the federal agency that administers Medicare and Medicaid, and performs a number of quality-focused activities, including regulation of laboratory testing, and quality-of-care improvement.  HCFA maintains oversight of the survey and certification of nursing homes and continuing care providers (including home health agencies, intermediate care facilities for the mentally retarded, and hospitals).

The Gerontological Society of America is the national organization the produces The Gerontologist and the Journals of Gerontology. 

The International Federation on Ageing brings together academics, practitioners, activists and leaders of organizations of the aged across national boundaries and encompassing all the continents of the world.

To describe the overall status of the older adult U.S. population, the Federal Interagency Forum on Aging-Related Statistics (Forum) produced 
Older Americans 2000: Key Indicators of Well-Being (Older Americans).  This new report focuses on several important areas in the lives of older people—population, economics, health status, health risks and behaviors, and health care.

NCOA is a national voice and powerful advocate for public policies that promote vital aging.  Since 1950, NCOA has spoken with vigor and authority on behalf of aging Americans and their families, a constituency in which all Americans can claim membership.  The site provides up-to-date information on public policy concerns.

Social Security Online is the site of the Social Security Administration and provides many links to contemporary and historical information about social security.