AARP

The American Geriatrics Association

Duke University's Center for the Study of Aging and Human Development

Ethel Percy Andrus Gerontology Center at the University of Southern California

The Gerontological Society of America: Formal Interest Group "Technology and Aging"

Global Action on Aging

Institute on Aging at the University of Pennsylvania Health System

The International Longevity Center

National Institute on Aging

The Syracuse University Gerontology Center

University of California at Berkeley's Resource Center on Aging

UCLA Center on Aging

The American Association of Homes and Services for the Aging (AAHSA)

The American Seniors Housing Association

The Center for Retirement Research at Boston College

The Community Transportation Association of America

European Conference of Ministers of Transportation - Improving Transport for People with Mobility Handicaps: A Guide to Good Practice

Wired Seniors

The Alzheimer's Association

American Academy of Family Physicians

The American Diabetes Association

International Council on Active Aging

International Society for Aging and Physical Activity

National Eye Institute: Patient Information

National Heart Lung & Blood Institute: Cardiovascular Information

National Institute on Deafness and Other Communications Disorders: Hearing Loss and Older Adults

National Institute of Diabetes, Digestive and Kidney Diseases: Health Topics A to Z

National Institute of Neurological Disorders and Stroke: Alzheimer's Disease Information Page

National Institute of Neurological Disorders and Stroke: Neurological Disorders

National Senior Games Association

U.S. Department of Health and Human Services: HealthFinder

Federal Interagency Forum on Aging-Related Statistics

FirstGov for Seniors

The Organisation for Economic Co-operation and Development: Ageing Society

The U.S. Administration on Aging

The U.S. Census Bureau Age Data

The U.S. Department of Agriculture

The U.S. Social Security Administration