Gambia vs Sierra Leone: HIV prevalence rate, adult 15-49 years

Gambia
1.3%
in 2009
Sierra Leone
1.4%
in 2009
Gambia rank
29th
Sierra Leone rank
28th

HIV prevalence rate, adult 15-49 years over time

  • Gambia
  • Sierra Leone
00.511.5199019992009

How they compare

Sierra Leone currently reports 1.4% against 1.3% in Gambia, a difference of 0.1%.

That makes Sierra Leone's figure about 1.1 times Gambia's.

Across all 20 years both countries report, Sierra Leone has been ahead every year.

Gambia ranks 29th and Sierra Leone ranks 28th of 48 countries.

Sierra Leone has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Gambia Sierra Leone Difference Ahead
1990s 0.1% 0.1% 0.0% Sierra Leone
2000s 0.7% 1.1% 0.4% Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher hiv prevalence rate, adult 15-49 years, Gambia or Sierra Leone?
Sierra Leone, at 1.4% against 1.3% in Gambia as of 2009.
What is the difference in hiv prevalence rate, adult 15-49 years between Gambia and Sierra Leone?
0.1%, with Sierra Leone ahead.
How many years of comparable data are there for Gambia and Sierra Leone?
20 years are reported by both, from 1990 to 2009.
How do Gambia and Sierra Leone rank globally for hiv prevalence rate, adult 15-49 years?
Gambia ranks 29th and Sierra Leone ranks 28th of 48 countries.
Where does this data come from?
UNAIDS and the WHO's Report on the Global AIDS Epidemic, published as HIV prevalence rate, adult 15-49 years (%; low estimate). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Sierra Leone: HIV prevalence rate, adult 15-49 years. Statizoid, drawing on UNAIDS and the WHO's Report on the Global AIDS Epidemic. Retrieved 16 September 2026, from https://health.statizoid.com/compare/hiv-prevalence-rate-adult-15-49-years-percent-low-estimate/gambia-the/sierra-leone/

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About this data

Indicator
HIV prevalence rate, adult 15-49 years (%; low estimate)
Unit
%; low estimate
Source
UNAIDS and the WHO's Report on the Global AIDS Epidemic
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
49 places, 965 data points, 1990–2009
Last refreshed

Prevalence of HIV refers to the percentage of people ages 15-49 who are infected with HIV based on a low estimate.