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

Gambia
2.9%
in 2009
Sierra Leone
2.1%
in 2009
Gambia rank
26th
Sierra Leone rank
28th

HIV prevalence rate, adult 15-49 years over time

  • Gambia
  • Sierra Leone
0123199019992009

How they compare

Gambia currently reports 2.9% against 2.1% in Sierra Leone, a difference of 0.8%.

That makes Gambia's figure about 1.4 times Sierra Leone's.

The two have swapped places 2 times across 20 shared years of data; in 1990 it was Gambia ahead.

Gambia ranks 26th and Sierra Leone ranks 28th of 48 countries.

Across the 2 decades both report, Gambia averaged higher in 1 and Sierra Leone in 1.

Head to head by decade

Decade Gambia Sierra Leone Difference Ahead
1990s 1.3% 0.8% 0.5% Gambia
2000s 1.7% 1.8% 0.1% 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?
Gambia, at 2.9% against 2.1% in Sierra Leone as of 2009.
What is the difference in hiv prevalence rate, adult 15-49 years between Gambia and Sierra Leone?
0.8%, with Gambia 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 26th 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 (%; high 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 17 September 2026, from https://health.statizoid.com/compare/hiv-prevalence-rate-adult-15-49-years-percent-high-estimate/gambia-the/sierra-leone/

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About this data

Indicator
HIV prevalence rate, adult 15-49 years (%; high estimate)
Unit
%; high 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 high estimate.