Prevalence of HIV among adults aged 15 to 49 in Sierra Leone
Sierra Leone: Prevalence of HIV among adults aged 15 to 49 was 1.5% in 2025. ▼ Falling
Prevalence of HIV among adults aged 15 to 49 in Sierra Leone, 2000–2025
Source: World Health Organization, Global Health Observatory.
Analysis
In 2025, prevalence of hiv among adults aged 15 to 49 in Sierra Leone stood at 1.5%. That is the lowest value across all 26 years on record.
Compared with earlier readings it is down 6.2% on the previous year and down 11.8% over ten years.
Over the whole period, prevalence of hiv among adults aged 15 to 49 in Sierra Leone peaked at 1.7% in 2000 and was at its lowest, 1.5%, in 2025.
That places Sierra Leone 23rd out of 143 countries with data for 2025, putting it in the top quarter.
The long-run direction has been consistently falling across the 26 years of available data.
Prevalence of HIV among adults aged 15 to 49 in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 2000 | 1.7% | — |
| 2001 | 1.7% | +0.0% |
| 2002 | 1.7% | +0.0% |
| 2003 | 1.7% | +0.0% |
| 2004 | 1.7% | +0.0% |
| 2005 | 1.7% | +0.0% |
| 2006 | 1.7% | +0.0% |
| 2007 | 1.7% | +0.0% |
| 2008 | 1.7% | +0.0% |
| 2009 | 1.7% | +0.0% |
| 2010 | 1.7% | +0.0% |
| 2011 | 1.7% | +0.0% |
| 2012 | 1.7% | +0.0% |
| 2013 | 1.7% | +0.0% |
| 2014 | 1.7% | +0.0% |
| 2015 | 1.7% | +0.0% |
| 2016 | 1.7% | +0.0% |
| 2017 | 1.7% | +0.0% |
| 2018 | 1.7% | +0.0% |
| 2019 | 1.7% | +0.0% |
| 2020 | 1.7% | +0.0% |
| 2021 | 1.7% | +0.0% |
| 2022 | 1.6% | -5.9% |
| 2023 | 1.6% | +0.0% |
| 2024 | 1.6% | +0.0% |
| 2025 | 1.5% | -6.3% |
Sierra Leone compared with similar countries
- Sierra Leone's 1.5% is above the median for low income countries, which is 0.8%, 1.9× the median. (24 countries reporting)
- Sierra Leone's 1.5% is above the median for Sub-Saharan Africa, which is 1.4%, 1.1× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.7% | 1.7% | 1.7% | 10 |
| 2010s | 1.7% | 1.7% | 1.7% | 10 |
| 2020s | 1.6% | 1.5% | 1.7% | 6 |
Countries ranked near Sierra Leone
- 23 Papua New Guinea 1.5% compare
- 23 Liberia 1.5% compare
- 26 Guyana 1.4% compare
- 26 South Sudan 1.4% compare
- 26 Ghana 1.4% compare
More health data for Sierra Leone
- Un projection of annual infant deaths, annual growth rate -2.34 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.773 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,199 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,209 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 38 (2025)
- Population ages 00-04, female, annual growth rate 0.6447 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0663 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.6611 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is prevalence of hiv among adults aged 15 to 49 in Sierra Leone?
- Prevalence of hiv among adults aged 15 to 49 in Sierra Leone was 1.5% in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest prevalence of hiv among adults aged 15 to 49 recorded in Sierra Leone?
- The highest recorded value was 1.7% in 2000.
- What is the lowest prevalence of hiv among adults aged 15 to 49 recorded in Sierra Leone?
- The lowest recorded value was 1.5% in 2025.
- How does Sierra Leone rank for prevalence of hiv among adults aged 15 to 49?
- Sierra Leone ranks 23rd out of 143 countries with data for 2025.
- Is prevalence of hiv among adults aged 15 to 49 rising or falling in Sierra Leone?
- Over the last ten years it is down 11.8%. 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 Prevalence of HIV among adults aged 15 to 49 (%). Statizoid updates them automatically from the source API.
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CSV · JSON — 26 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).