New infections of HIV per 1,000 people in Sierra Leone
Sierra Leone: New infections of HIV per 1,000 people 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
New infections of HIV per 1,000 people 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
Sierra Leone recorded 0.3766 infections per 1,000 people for new infections of hiv per 1,000 people in 2024. That is the lowest value across all 35 years on record.
The figure is down 16.5% on the previous year and down 68.9% over ten years.
Over the whole period, new infections of hiv per 1,000 people 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.
Sierra Leone ranks 48th of 144 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 35 years of available data.
New infections of HIV per 1,000 people 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% |
Sierra Leone compared with similar countries
- Sierra Leone's 0.3766 infections per 1,000 people is above the median for low income countries, which is 0.2872 infections per 1,000 people, 1.3× the median. (23 countries reporting)
- Sierra Leone's 0.3766 infections per 1,000 people is below the median for Sub-Saharan Africa, which is 0.5758 infections per 1,000 people, 65% of the median. (43 countries reporting)
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 Cote 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)
- 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 new infections of hiv per 1,000 people in Sierra Leone?
- New infections of hiv per 1,000 people 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 new infections of hiv per 1,000 people recorded in Sierra Leone?
- The highest recorded value was 2.16 infections per 1,000 people in 1996.
- What is the lowest new infections of hiv per 1,000 people recorded in Sierra Leone?
- The lowest recorded value was 0.3766 infections per 1,000 people in 2024.
- How does Sierra Leone rank for new infections of hiv per 1,000 people?
- Sierra Leone ranks 48th out of 144 countries with data for 2024.
- Is new infections of hiv per 1,000 people 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 New infections of HIV per 1,000 people. 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.