HIV incidence per 1,000 individuals, by age in Sierra Leone
Sierra Leone: HIV incidence per 1,000 individuals, by age was 0.3766 infections per 1,000 people in 2024. ▼ Falling
Latest (2024)
0.3766 infections per 1,000 people
Change on year
down 16.5%
World rank
48th
of 144 countries
All-time high
2.16 infections per 1,000 people
in 1996
All-time low
0.3766 infections per 1,000 people
in 2024
Years of data
35
1990–2024
HIV incidence per 1,000 individuals, by age in Sierra Leone, 1990–2024
Source: Joint United Nations Programme on HIV/AIDS (2026) – with minor processing by Our World in Data. Measured in infections per 1,000 people.
Analysis
In 2024, hiv incidence per 1,000 individuals, by age in Sierra Leone stood at 0.3766 infections per 1,000 people. That is the lowest value across all 35 years on record.
That represents a change of down 16.5% on the previous year and down 68.9% over ten years.
Over the whole period, hiv incidence per 1,000 individuals, by age in Sierra Leone peaked at 2.16 infections per 1,000 people in 1996 and was at its lowest, 0.3766 infections per 1,000 people, in 2024.
That places Sierra Leone 48th out of 144 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently falling across the 35 years of available data.
HIV incidence per 1,000 individuals, by age in Sierra Leone, year by year
| Year | infections per 1,000 people | Change |
|---|---|---|
| 1990 | 1.52 infections per 1,000 people | — |
| 1991 | 1.75 infections per 1,000 people | +15.1% |
| 1992 | 1.85 infections per 1,000 people | +5.9% |
| 1993 | 2.06 infections per 1,000 people | +11.1% |
| 1994 | 2.16 infections per 1,000 people | +5.0% |
| 1995 | 2.13 infections per 1,000 people | -1.1% |
| 1996 | 2.16 infections per 1,000 people | +1.2% |
| 1997 | 2.15 infections per 1,000 people | -0.3% |
| 1998 | 2.08 infections per 1,000 people | -3.5% |
| 1999 | 2.03 infections per 1,000 people | -2.5% |
| 2000 | 1.89 infections per 1,000 people | -6.6% |
| 2001 | 1.79 infections per 1,000 people | -5.6% |
| 2002 | 1.76 infections per 1,000 people | -1.6% |
| 2003 | 1.67 infections per 1,000 people | -4.8% |
| 2004 | 1.64 infections per 1,000 people | -2.1% |
| 2005 | 1.57 infections per 1,000 people | -4.4% |
| 2006 | 1.54 infections per 1,000 people | -1.3% |
| 2007 | 1.51 infections per 1,000 people | -2.1% |
| 2008 | 1.49 infections per 1,000 people | -1.4% |
| 2009 | 1.4 infections per 1,000 people | -5.9% |
| 2010 | 1.36 infections per 1,000 people | -3.3% |
| 2011 | 1.31 infections per 1,000 people | -3.7% |
| 2012 | 1.27 infections per 1,000 people | -2.8% |
| 2013 | 1.21 infections per 1,000 people | -5.1% |
| 2014 | 1.21 infections per 1,000 people | +0.2% |
| 2015 | 1.21 infections per 1,000 people | +0.1% |
| 2016 | 1.14 infections per 1,000 people | -5.6% |
| 2017 | 1.07 infections per 1,000 people | -6.6% |
| 2018 | 0.9675 infections per 1,000 people | -9.4% |
| 2019 | 0.8689 infections per 1,000 people | -10.2% |
| 2020 | 0.8315 infections per 1,000 people | -4.3% |
| 2021 | 0.7069 infections per 1,000 people | -15.0% |
| 2022 | 0.5559 infections per 1,000 people | -21.4% |
| 2023 | 0.4508 infections per 1,000 people | -18.9% |
| 2024 | 0.3766 infections per 1,000 people | -16.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 1.99 infections per 1,000 people | 1.52 infections per 1,000 people | 2.16 infections per 1,000 people | 10 |
| 2000s | 1.63 infections per 1,000 people | 1.4 infections per 1,000 people | 1.89 infections per 1,000 people | 10 |
| 2010s | 1.16 infections per 1,000 people | 0.8689 infections per 1,000 people | 1.36 infections per 1,000 people | 10 |
| 2020s | 0.5843 infections per 1,000 people | 0.3766 infections per 1,000 people | 0.8315 infections per 1,000 people | 5 |
Countries ranked near Sierra Leone
- 45 Côte d'Ivoire 0.4138 infections per 1,000 people compare
- 46 Costa Rica 0.4136 infections per 1,000 people compare
- 47 Armenia 0.3815 infections per 1,000 people compare
- 49 Chile 0.3755 infections per 1,000 people compare
- 50 Cuba 0.3529 infections per 1,000 people compare
- 51 Myanmar 0.334 infections per 1,000 people 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)
- Population ages 0-14, female, annual growth rate 0.8723 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.1868 units per person (2025)
- Population ages 0-14, male, annual growth rate 0.8951 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.1897 units per person (2025)
Frequently asked questions
- What is hiv incidence per 1,000 individuals, by age in Sierra Leone?
- Hiv incidence per 1,000 individuals, by age in Sierra Leone was 0.3766 infections per 1,000 people in 2024, according to Joint United Nations Programme on HIV/AIDS (2026) – with minor processing by Our World in Data.
- What is the highest hiv incidence per 1,000 individuals, by age recorded in Sierra Leone?
- The highest recorded value was 2.16 infections per 1,000 people in 1996.
- What is the lowest hiv incidence per 1,000 individuals, by age recorded in Sierra Leone?
- The lowest recorded value was 0.3766 infections per 1,000 people in 2024.
- How does Sierra Leone rank for hiv incidence per 1,000 individuals, by age?
- Sierra Leone ranks 48th out of 144 countries with data for 2024.
- Is hiv incidence per 1,000 individuals, by age rising or falling in Sierra Leone?
- Over the last ten years it is down 68.9%. The long-run trend across the full record is falling.
- Where does this Sierra Leone data come from?
- The figures come from Joint United Nations Programme on HIV/AIDS (2026) – with minor processing by Our World in Data, published as part of HIV incidence per 1,000 individuals, by age. Statizoid updates them automatically from the source API.
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About this data
Number of people aged 15-49 newly infected with HIV in the last year per 1,000 uninfected people. This is the central estimate.