In the 30 years from 1988 to 2018, the rate of underweight has generally decreased with the largest decline seen among U.S. adults 60 years and above. In 2017-2018, underweight was most prevalent among adults 20-39 years old.
This statistic presents the prevalence of underweight (BMI less than 18.5kg/m2) among U.S. adults from 1988-1994 to 2017-2018, by age.
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.
NCHS (NHANES), & CDC. (December 16, 2020). Prevalence of underweight among adults in the United States from 1988-1994 to 2017-2018, by age [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1241493/us-adults-underweight-by-age/
NCHS (NHANES), und CDC. "Prevalence of underweight among adults in the United States from 1988-1994 to 2017-2018, by age." Chart. December 16, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1241493/us-adults-underweight-by-age/
NCHS (NHANES), CDC. (2020). Prevalence of underweight among adults in the United States from 1988-1994 to 2017-2018, by age. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1241493/us-adults-underweight-by-age/
NCHS (NHANES), and CDC. "Prevalence of Underweight among Adults in The United States from 1988-1994 to 2017-2018, by Age." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Dec 2020, /statistics/1241493/us-adults-underweight-by-age/
NCHS (NHANES) & CDC, Prevalence of underweight among adults in the United States from 1988-1994 to 2017-2018, by age ÌÇÐÄÆƽâ°æ, /statistics/1241493/us-adults-underweight-by-age/ (last visited July 24, 2026)
Prevalence of underweight among adults in the United States from 1988-1994 to 2017-2018, by age [Graph], NCHS (NHANES), & CDC, December 16, 2020. [Online]. Available: /statistics/1241493/us-adults-underweight-by-age/
