Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone

Sierra Leone: Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) was 6.3% in 2024. ▼ Falling

Latest (2024)
6.3%
Change on year
down 3.3%
World rank
63rd
of 198 countries
All-time high
20.5%
in 1980
All-time low
6.3%
in 2024
Years of data
45
1980–2024

Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone, 1980–2024

51015201980200220241980: 20.51981: 20.31982: 201983: 19.71984: 19.41985: 19.21986: 18.91987: 18.61988: 18.31989: 18.11990: 17.81991: 17.51992: 17.21993: 16.91994: 16.61995: 16.31996: 161997: 15.71998: 15.31999: 152000: 14.62001: 14.32002: 13.92003: 13.52004: 13.12005: 12.72006: 12.32007: 11.92008: 11.42009: 112010: 10.62011: 10.22012: 9.82013: 9.42014: 92015: 8.72016: 8.42017: 8.12018: 7.82019: 7.52020: 7.22021: 72022: 6.72023: 6.52024: 6.3

Source: World Health Organization, Global Health Observatory.

Analysis

In 2024, underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone stood at 6.3%. That is the lowest value across all 45 years on record.

That represents a change of down 3.3% on the previous year and down 30.3% over ten years.

Over the whole period, underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone peaked at 20.5% in 1980 and was at its lowest, 6.3%, in 2024.

Sierra Leone ranks 63rd of 198 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 45 years of available data.

Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone, year by year

Annual values for Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) (%) in Sierra Leone, 1980 to 2024.
Year Value Change
1980 20.5%
1981 20.3% -1.3%
1982 20.0% -1.3%
1983 19.7% -1.4%
1984 19.4% -1.4%
1985 19.2% -1.4%
1986 18.9% -1.4%
1987 18.6% -1.5%
1988 18.3% -1.5%
1989 18.1% -1.5%
1990 17.8% -1.6%
1991 17.5% -1.6%
1992 17.2% -1.7%
1993 16.9% -1.7%
1994 16.6% -1.8%
1995 16.3% -1.8%
1996 16.0% -1.9%
1997 15.7% -2.0%
1998 15.3% -2.1%
1999 15.0% -2.3%
2000 14.6% -2.4%
2001 14.3% -2.5%
2002 13.9% -2.6%
2003 13.5% -2.8%
2004 13.1% -2.9%
2005 12.7% -3.1%
2006 12.3% -3.3%
2007 11.9% -3.4%
2008 11.4% -3.5%
2009 11.0% -3.7%
2010 10.6% -3.8%
2011 10.2% -3.9%
2012 9.8% -3.9%
2013 9.4% -3.9%
2014 9.0% -3.8%
2015 8.7% -3.8%
2016 8.4% -3.8%
2017 8.1% -3.7%
2018 7.8% -3.7%
2019 7.5% -3.6%
2020 7.2% -3.5%
2021 7.0% -3.4%
2022 6.7% -3.4%
2023 6.5% -3.3%
2024 6.3% -3.3%

Averages by decade

DecadeAverage LowestHighest Years
1980s 19.3% 18.1% 20.5% 10
1990s 16.4% 15.0% 17.8% 10
2000s 12.9% 11.0% 14.6% 10
2010s 8.9% 7.5% 10.6% 10
2020s 6.8% 6.3% 7.2% 5

Countries ranked near Sierra Leone

  1. 60 Thailand 6.5% compare
  2. 61 Singapore 6.4% compare
  3. 62 Cameroon 6.3% compare
  4. 64 Sao Tome and Principe 6.3% compare
  5. 65 Liberia 6.1% compare
  6. 66 Morocco 5.7% compare

See the full ranking of 211 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone?
Underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone was 6.3% in 2024, according to World Health Organization, Global Health Observatory.
What is the highest underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) recorded in Sierra Leone?
The highest recorded value was 20.5% in 1980.
What is the lowest underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) recorded in Sierra Leone?
The lowest recorded value was 6.3% in 2024.
How does Sierra Leone rank for underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate)?
Sierra Leone ranks 63rd out of 198 countries with data for 2024.
Is underweight among adults, bmi < 18.5 kg/m2 (age-standardized estimate) rising or falling in Sierra Leone?
Over the last ten years it is down 30.3%. The long-run trend across the full record is falling.
Where does this Sierra Leone data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) (%). Statizoid updates them automatically from the source API.

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Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 07 September 2026, from https://health.statizoid.com/stat/underweight-among-adults-bmi-18-5-kg-m2-age-standardized-estimate-percent/sierra-leone/

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About this data

Indicator
Underweight among adults, BMI < 18.5 kg/m2 (age-standardized estimate) (%)
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
211 places, 9,495 data points, 1980–2024
Last refreshed