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World Health Organization · Health

United States: Underweight among adults, BMI < 18.5 kg/m2

2percent · 2024+11.1% since 2014

Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) (%). WHO Global Health Observatory indicator NCD_BMI_18A. Annual figures for United States from 1980 to 2024.

19852024

Every year

YearValue (percent)Note
20242
20232
20222
20212
20201.9
20191.9
20181.9
20171.9
20161.9
20151.9
20141.8
20131.8
20121.8
20111.8
20101.8
20091.8
20081.8
20071.8
20061.8
20051.8
20041.8
20031.8
20021.8
20011.8
20001.8
19991.8
19981.9
19971.9
19961.9
19952
19942
19932.1
19922.1
19912.2
19902.3
19892.4
19882.5
19872.6
19862.7
19852.9
19843
19833.1
19823.3
19813.4
19803.6

Source

Published by World Health Organization. Licence: CC BY-NC-SA 3.0 IGO. Retrieved 2026-11-08.

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Cite or download

World Health Organization (2026). Underweight among adults, BMI < 18.5 kg/m2. Interva. https://interva.co/dataset/who-ncd-bmi-18a (accessed 2026-11-13). catalog snapshot 2026-11-08.

JSON, United StatesAPI and MCP

Underweight among adults, BMI < 18.5 kg/m2 in other countries

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United States: Underweight among adults, BMI < 18.5 kg/m2 (1980–2024) · Interva