The source adds the following information: Gen Z (adults ages 18-22), Millennials (adults ages 23-37), Gen X (adults ages 38-51), Boomers (adults ages 52-71), and Greatest Generation (adults ages 72+)
The formula behind the index involves deriving a score for each respondent based on their answers to a series of twenty statements and from there calculating a total mean score for everyone who completed the survey to obtain a national score.
The index stipulates that the higher the score, the lonelier people are. Possible loneliness scores range from 20 to 80, with the total average national loneliness score in America reaching 44.
Citation formats
Loneliness score among U.S. adults in 2018, by generation
According to the survey from 2018, younger generations tended to have a higher loneliness score, while older generations scored lower.
This statistic reveals the loneliness score among adults in the United States in 2018, by generation.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
Cigna. (May 1, 2018). Loneliness score among adults in the United States in 2018, by generation [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1255817/loneliness-score-among-us-adults-by-generation/
Cigna. "Loneliness score among adults in the United States in 2018, by generation." Chart. May 1, 2018. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1255817/loneliness-score-among-us-adults-by-generation/
Cigna. (2018). Loneliness score among adults in the United States in 2018, by generation. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1255817/loneliness-score-among-us-adults-by-generation/
Cigna. "Loneliness Score among Adults in The United States in 2018, by Generation." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 May 2018, /statistics/1255817/loneliness-score-among-us-adults-by-generation/
Cigna, Loneliness score among adults in the United States in 2018, by generation ÌÇÐÄÆƽâ°æ, /statistics/1255817/loneliness-score-among-us-adults-by-generation/ (last visited July 27, 2026)
Loneliness score among adults in the United States in 2018, by generation [Graph], Cigna, May 1, 2018. [Online]. Available: /statistics/1255817/loneliness-score-among-us-adults-by-generation/
