Prevalence of underweight, weight for age in United States

United States: Prevalence of underweight, weight for age was 0.4% in 2018. ▼ Falling

Latest (2018)
0.4%
Change on year
down 71.4%
World rank
95th
of 96 countries
All-time high
1.4%
in 2016
All-time low
0.4%
in 2018
Years of data
11
1991–2018

Prevalence of underweight, weight for age in United States, 1991–2018

0.40.60.811.21.41991200420181991: 0.8 % of children under 52000: 1.1 % of children under 52002: 0.8 % of children under 52004: 1.3 % of children under 52006: 0.7 % of children under 52008: 0.7 % of children under 52010: 1 % of children under 52012: 0.5 % of children under 52014: 0.7 % of children under 52016: 1.4 % of children under 52018: 0.4 % of children under 5

Source: UNICEF, WHO, World Bank: Joint child Malnutrition Estimates (JME). Aggregation is based on UNICEF, WHO, and the World Bank harmonized dataset (adjusted, comparable data) and methodology., UN Children'. Measured in % of children under 5.

Analysis

The most recent figure for prevalence of underweight, weight for age in United States is 0.4%, measured in 2018. That is the lowest value across all 11 years on record.

The figure is down 71.4% on the previous year and down 42.9% over ten years.

Over the whole period, prevalence of underweight, weight for age in United States peaked at 1.4% in 2016 and was at its lowest, 0.4%, in 2018.

That places United States 95th out of 96 countries with data for 2018, putting it in the bottom quarter.

The long-run direction has been consistently falling across the 11 years of available data.

Prevalence of underweight, weight for age in United States, year by year

Annual values for Prevalence of underweight, weight for age (% of children under 5) in United States, 1991 to 2018.
Year % of children under 5 Change
1991 0.8%
2000 1.1% +37.5%
2002 0.8% -27.3%
2004 1.3% +62.5%
2006 0.7% -46.2%
2008 0.7% +0.0%
2010 1.0% +42.9%
2012 0.5% -50.0%
2014 0.7% +40.0%
2016 1.4% +100.0%
2018 0.4% -71.4%

United States compared with similar countries

  • United States's 0.4% is below the median for high income countries, which is 2.8%, 14% of the median. (11 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 0.8% 0.8% 0.8% 1
2000s 0.9% 0.7% 1.3% 5
2010s 0.8% 0.4% 1.4% 5

Countries ranked near United States

  1. 92 Turkey 1.5% compare
  2. 93 United Kingdom 0.6% compare
  3. 94 Chile 0.5% compare
  4. 95 South Korea 0.4% compare

See the full ranking of 110 places →

More health data for United States

All data for United States →

Frequently asked questions

What is prevalence of underweight, weight for age in United States?
Prevalence of underweight, weight for age in United States was 0.4% in 2018, according to UNICEF, WHO, World Bank: Joint child Malnutrition Estimates (JME). Aggregation is based on UNICEF, WHO, and the World Bank harmonized dataset (adjusted, comparable data) and methodology., UN Children'.
What is the highest prevalence of underweight, weight for age recorded in United States?
The highest recorded value was 1.4% in 2016.
What is the lowest prevalence of underweight, weight for age recorded in United States?
The lowest recorded value was 0.4% in 2018.
How does United States rank for prevalence of underweight, weight for age?
United States ranks 95th out of 96 countries with data for 2018.
Is prevalence of underweight, weight for age rising or falling in United States?
Over the last ten years it is down 42.9%. The long-run trend across the full record is falling.
Where does this United States data come from?
The figures come from UNICEF, WHO, World Bank: Joint child Malnutrition Estimates (JME). Aggregation is based on UNICEF, WHO, and the World Bank harmonized dataset (adjusted, comparable data) and methodology., UN Children', published as part of Prevalence of underweight, weight for age (% of children under 5). Statizoid updates them automatically from the source API.

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Prevalence of underweight, weight for age in United States. Statizoid, drawing on UNICEF, WHO, World Bank: Joint child Malnutrition Estimates (JME). Aggregation is based on UNICEF, WHO, and the World Bank harmonized dataset (adjusted, comparable data) and methodology., UN Children'. Retrieved 17 September 2026, from https://health.statizoid.com/stat/prevalence-of-underweight-weight-for-age-percent-of-children-under-5/united-states/

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About this data

Indicator
Prevalence of underweight, weight for age (% of children under 5)
Unit
% of children under 5
Source
UNICEF, WHO, World Bank: Joint child Malnutrition Estimates (JME). Aggregation is based on UNICEF, WHO, and the World Bank harmonized dataset (adjusted, comparable data) and methodology., UN Children'
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
110 places, 1,307 data points, 1984–2024
Last refreshed

Prevalence of underweight children is the percentage of children under age 5 whose weight for age is more than two standard deviations below the median for the international reference population ages 0-59 months. The data are based on the WHO's 2006 Child Growth Standards.