A third or more of U.S. adults experience feelings of loneliness or isolation at least some of the time, according to a survey by Cigna, a health services organization. More than half said they sometimes or always feel as though no one knows them well, and 46 percent reported sometimes or always feeling alone.
Source: “Cigna U.S. Loneliness Index,” Cigna, May 2018, p. 4, https://tinyurl.com/y6ue3pv6
Data for the graphic are as follows:
| Feeling of Respondents | Percentage Who Always Experience Feelings of Loneliness | Percentage Who Sometimes Experience Feelings of Loneliness | Percentage Who Rarely Experience Feelings of Loneliness | Percentage Who Never Experience Feelings of Loneliness |
| Interests and ideas are not shared by those around you | 9% | 50% | 34% | 7% |
| People are around you but not with you | 10% | 46% | 33% | 11% |
| Feel shy | 11% | 45% | 31% | 13% |
| No one really knows you well | 13% | 41% | 33% | 13% |
| Left out | 8% | 38% | 39% | 15% |
| Alone | 10% | 36% | 37% | 17% |
| Lack companionship | 10% | 34% | 34% | 23% |
| Relationships are not meaningful | 7% | 36% | 39% | 18% |
| Isolated from others | 8% | 35% | 37% | 20% |
| No longer close to anyone | 8% | 31% | 35% | 26% |
| There is no one you can turn to | 7% | 29% | 36% | 28% |