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

Sierra Leone: Underweight among adults, BMI < 18.5 kg/m2 (crude estimate) was 5.8% in 2024. ▼ Falling

Latest (2024)
5.8%
Change on year
down 3.4%
World rank
66th
of 198 countries
All-time high
19.9%
in 1980
All-time low
5.8%
in 2024
Years of data
45
1980–2024

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

51015201980200220241980: 19.91981: 19.61982: 19.31983: 19.11984: 18.81985: 18.51986: 18.31987: 181988: 17.71989: 17.41990: 17.11991: 16.81992: 16.51993: 16.21994: 15.91995: 15.61996: 15.31997: 151998: 14.61999: 14.32000: 13.92001: 13.62002: 13.22003: 12.82004: 12.42005: 122006: 11.62007: 11.22008: 10.82009: 10.42010: 9.92011: 9.52012: 9.22013: 8.82014: 8.42015: 8.12016: 7.82017: 7.52018: 7.22019: 6.92020: 6.72021: 6.52022: 6.22023: 62024: 5.8

Source: World Health Organization, Global Health Observatory.

Analysis

In 2024, underweight among adults, bmi < 18.5 kg/m2 (crude estimate) in Sierra Leone stood at 5.8%. That is the lowest value across all 45 years on record.

That represents a change of down 3.4% on the previous year and down 30.9% over ten years.

Over the whole period, underweight among adults, bmi < 18.5 kg/m2 (crude estimate) in Sierra Leone peaked at 19.9% in 1980 and was at its lowest, 5.8%, in 2024.

That places Sierra Leone 66th out of 198 countries with data for 2024, putting it 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 (crude estimate) in Sierra Leone, year by year

Annual values for Underweight among adults, BMI < 18.5 kg/m2 (crude estimate) (%) in Sierra Leone, 1980 to 2024.
Year Value Change
1980 19.9%
1981 19.6% -1.3%
1982 19.3% -1.4%
1983 19.1% -1.4%
1984 18.8% -1.4%
1985 18.5% -1.5%
1986 18.3% -1.5%
1987 18.0% -1.5%
1988 17.7% -1.6%
1989 17.4% -1.6%
1990 17.1% -1.7%
1991 16.8% -1.7%
1992 16.5% -1.8%
1993 16.2% -1.8%
1994 15.9% -1.9%
1995 15.6% -2.0%
1996 15.3% -2.0%
1997 15.0% -2.1%
1998 14.6% -2.3%
1999 14.3% -2.4%
2000 13.9% -2.5%
2001 13.6% -2.6%
2002 13.2% -2.8%
2003 12.8% -2.9%
2004 12.4% -3.1%
2005 12.0% -3.2%
2006 11.6% -3.4%
2007 11.2% -3.5%
2008 10.8% -3.7%
2009 10.4% -3.9%
2010 9.9% -4.0%
2011 9.5% -4.0%
2012 9.2% -4.0%
2013 8.8% -4.0%
2014 8.4% -4.0%
2015 8.1% -3.9%
2016 7.8% -3.9%
2017 7.5% -3.8%
2018 7.2% -3.8%
2019 6.9% -3.7%
2020 6.7% -3.6%
2021 6.5% -3.5%
2022 6.2% -3.4%
2023 6.0% -3.4%
2024 5.8% -3.4%

Averages by decade

DecadeAverage LowestHighest Years
1980s 18.7% 17.4% 19.9% 10
1990s 15.7% 14.3% 17.1% 10
2000s 12.2% 10.4% 13.9% 10
2010s 8.3% 6.9% 9.9% 10
2020s 6.3% 5.8% 6.7% 5

Countries ranked near Sierra Leone

  1. 63 Cameroon 6.1% compare
  2. 64 Maldives 5.9% compare
  3. 65 Liberia 5.9% compare
  4. 67 Morocco 5.5% compare
  5. 68 Malaysia 5.5% compare
  6. 69 South Africa 5.4% 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 (crude estimate) in Sierra Leone?
Underweight among adults, bmi < 18.5 kg/m2 (crude estimate) in Sierra Leone was 5.8% in 2024, according to World Health Organization, Global Health Observatory.
What is the highest underweight among adults, bmi < 18.5 kg/m2 (crude estimate) recorded in Sierra Leone?
The highest recorded value was 19.9% in 1980.
What is the lowest underweight among adults, bmi < 18.5 kg/m2 (crude estimate) recorded in Sierra Leone?
The lowest recorded value was 5.8% in 2024.
How does Sierra Leone rank for underweight among adults, bmi < 18.5 kg/m2 (crude estimate)?
Sierra Leone ranks 66th out of 198 countries with data for 2024.
Is underweight among adults, bmi < 18.5 kg/m2 (crude estimate) rising or falling in Sierra Leone?
Over the last ten years it is down 30.9%. 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 (crude estimate) (%). Statizoid updates them automatically from the source API.

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Underweight among adults, BMI < 18.5 kg/m2 (crude estimate) in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 10 September 2026, from https://health.statizoid.com/stat/underweight-among-adults-bmi-18-5-kg-m2-crude-estimate-percent/sierra-leone/

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About this data

Indicator
Underweight among adults, BMI < 18.5 kg/m2 (crude 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
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