United Kingdom vs United States: Prevalence of underweight among adults, BMI < 18.5

United Kingdom
1.71
in 2022
United States
1.73
in 2022
United Kingdom rank
158th
United States rank
156th

Prevalence of underweight among adults, BMI < 18.5 over time

  • United Kingdom
  • United States
00.511.522.5199020062022

How they compare

United States currently reports 1.73 against 1.71 in United Kingdom, a difference of 0.02.

Across all 33 years both countries report, United States has been ahead every year.

United Kingdom ranks 158th and United States ranks 156th of 193 countries.

United States has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade United Kingdom United States Difference Ahead
1990s 1.8 1.93 0.131 United States
2000s 1.42 1.64 0.226 United States
2010s 1.5 1.64 0.14 United States
2020s 1.67 1.71 0.0367 United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher prevalence of underweight among adults, bmi < 18.5, United Kingdom or United States?
United States, at 1.73 against 1.71 in United Kingdom as of 2022.
What is the difference in prevalence of underweight among adults, bmi < 18.5 between United Kingdom and United States?
0.02, with United States ahead.
How many years of comparable data are there for United Kingdom and United States?
33 years are reported by both, from 1990 to 2022.
How do United Kingdom and United States rank globally for prevalence of underweight among adults, bmi < 18.5?
United Kingdom ranks 158th and United States ranks 156th of 193 countries.
Where does this data come from?
UNICEF, published as Prevalence of underweight among adults, BMI < 18.5 (Crude estimate). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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United Kingdom vs United States: Prevalence of underweight among adults, BMI < 18.5. Statizoid, drawing on UNICEF. Retrieved 17 September 2026, from https://health.statizoid.com/compare/prevalence-of-underweight-among-adults-bmi-18-5-crude-estimate/united-kingdom/united-states/

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About this data

Indicator
Prevalence of underweight among adults, BMI < 18.5 (Crude estimate)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
349 places, 9,955 data points, 1990–2022
Last refreshed