Prevalence of underweight among adults, BMI < 18.5 in Western Africa (African Union)

Western Africa (African Union): Prevalence of underweight among adults, BMI < 18.5 was 9.98 in 2022. ▼ Falling

Latest (2022)
9.98
Change on year
down 0.1%
Rank
57th
of 156 groups
All-time high
13.47
in 2000
All-time low
9.96
in 2020
Years of data
23
2000–2022

Prevalence of underweight among adults, BMI < 18.5 in Western Africa (African Union), 2000–2022

0510152000201120222000: 13.52001: 13.22002: 12.92003: 12.62004: 12.32005: 122006: 11.72007: 11.52008: 11.22009: 112010: 10.82011: 10.62012: 10.42013: 10.32014: 10.22015: 10.12016: 10.12017: 102018: 102019: 102020: 102021: 102022: 10

Source: UNICEF.

Analysis

Western Africa (African Union) recorded 9.98 for prevalence of underweight among adults, bmi < 18.5 in 2022.

That represents a change of down 0.1% on the previous year and down 4.1% over ten years.

Over the whole period, prevalence of underweight among adults, bmi < 18.5 in Western Africa (African Union) peaked at 13.47 in 2000 and was at its lowest, 9.96, in 2020.

That places Western Africa (African Union) 57th out of 156 groups with data for 2022, putting it in the middle of the range.

The long-run direction has been consistently falling across the 23 years of available data.

Prevalence of underweight among adults, BMI < 18.5 in Western Africa (African Union), year by year

Annual values for Prevalence of underweight among adults, BMI < 18.5 (Crude estimate) in Western Africa (African Union), 2000 to 2022.
Year Value Change
2000 13.47
2001 13.2 -2.0%
2002 12.86 -2.5%
2003 12.59 -2.1%
2004 12.31 -2.2%
2005 12.02 -2.4%
2006 11.74 -2.3%
2007 11.51 -2.0%
2008 11.24 -2.3%
2009 11.02 -2.0%
2010 10.81 -1.8%
2011 10.59 -2.0%
2012 10.41 -1.8%
2013 10.27 -1.3%
2014 10.23 -0.4%
2015 10.11 -1.2%
2016 10.07 -0.5%
2017 10.03 -0.4%
2018 10.01 -0.2%
2019 9.98 -0.3%
2020 9.96 -0.2%
2021 9.99 +0.3%
2022 9.98 -0.1%

Averages by decade

DecadeAverage LowestHighest Years
2000s 12.2 11.02 13.47 10
2010s 10.25 9.98 10.81 10
2020s 9.98 9.96 9.99 3

Countries ranked near Western Africa (African Union)

  1. 54 Sierra Leone 7.16 compare
  2. 55 Gabon 6.99 compare
  3. 56 Lesotho 6.82 compare
  4. 57 Zimbabwe 6.81 compare
  5. 58 Singapore 6.73 compare
  6. 59 Sao Tome and Principe 6.46 compare
  7. 60 Afghanistan 6.45 compare

See the full ranking of 349 places →

More health data for Western Africa (African Union)

All data for Western Africa (African Union) →

Frequently asked questions

What is prevalence of underweight among adults, bmi < 18.5 in Western Africa (African Union)?
Prevalence of underweight among adults, bmi < 18.5 in Western Africa (African Union) was 9.98 in 2022, according to UNICEF.
What is the highest prevalence of underweight among adults, bmi < 18.5 recorded in Western Africa (African Union)?
The highest recorded value was 13.47 in 2000.
What is the lowest prevalence of underweight among adults, bmi < 18.5 recorded in Western Africa (African Union)?
The lowest recorded value was 9.96 in 2020.
How does Western Africa (African Union) rank for prevalence of underweight among adults, bmi < 18.5?
Western Africa (African Union) ranks 57th out of 156 groups with data for 2022.
Is prevalence of underweight among adults, bmi < 18.5 rising or falling in Western Africa (African Union)?
Over the last ten years it is down 4.1%. The long-run trend across the full record is falling.
Where does this Western Africa (African Union) data come from?
The figures come from UNICEF, published as part of Prevalence of underweight among adults, BMI < 18.5 (Crude estimate). Statizoid updates them automatically from the source API.

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Prevalence of underweight among adults, BMI < 18.5 in Western Africa (African Union). Statizoid, drawing on UNICEF. Retrieved 16 September 2026, from https://health.statizoid.com/stat/prevalence-of-underweight-among-adults-bmi-18-5-crude-estimate/western-africa-african-union/

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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