Social Isolation and Loneliness in Older AdultsSocial Isolation and Loneliness in Older Adults Social isolation and loneliness are serious yet underappreciated public health risks that affect a significant portion of the older adult population. Approximately one quarter of community dwelling Americans aged 65 and older are considered to be socially isolated, and a significant proportion of adults in the United States report feeling lonely. People who are 50 years of age or older are more likely to