Number of new HIV infections in Sierra Leone
Sierra Leone: Number of new HIV infections was 2,500 Cases in 2024. ▼ Falling
Number of new HIV infections in Sierra Leone, 2000–2024
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in Cases.
Analysis
Sierra Leone recorded 2,500 Cases for number of new hiv infections in 2024. That is the lowest value across all 25 years on record.
That represents a change of down 13.8% on the previous year and down 56.9% over ten years.
Over the whole period, number of new hiv infections in Sierra Leone peaked at 6,500 Cases in 2004 and was at its lowest, 2,500 Cases, in 2024.
That places Sierra Leone 53rd out of 142 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently falling across the 25 years of available data.
Number of new HIV infections in Sierra Leone, year by year
| Year | Cases | Change |
|---|---|---|
| 2000 | 6,000 Cases | — |
| 2001 | 6,100 Cases | +1.7% |
| 2002 | 6,400 Cases | +4.9% |
| 2003 | 6,400 Cases | +0.0% |
| 2004 | 6,500 Cases | +1.6% |
| 2005 | 6,400 Cases | -1.5% |
| 2006 | 6,400 Cases | +0.0% |
| 2007 | 6,400 Cases | +0.0% |
| 2008 | 6,100 Cases | -4.7% |
| 2009 | 6,000 Cases | -1.6% |
| 2010 | 5,900 Cases | -1.7% |
| 2011 | 5,700 Cases | -3.4% |
| 2012 | 5,600 Cases | -1.8% |
| 2013 | 5,500 Cases | -1.8% |
| 2014 | 5,800 Cases | +5.5% |
| 2015 | 5,800 Cases | +0.0% |
| 2016 | 5,700 Cases | -1.7% |
| 2017 | 5,400 Cases | -5.3% |
| 2018 | 5,000 Cases | -7.4% |
| 2019 | 4,800 Cases | -4.0% |
| 2020 | 4,800 Cases | +0.0% |
| 2021 | 4,100 Cases | -14.6% |
| 2022 | 3,500 Cases | -14.6% |
| 2023 | 2,900 Cases | -17.1% |
| 2024 | 2,500 Cases | -13.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 6,270 Cases | 6,000 Cases | 6,500 Cases | 10 |
| 2010s | 5,520 Cases | 4,800 Cases | 5,900 Cases | 10 |
| 2020s | 3,560 Cases | 2,500 Cases | 4,800 Cases | 5 |
Countries ranked near Sierra Leone
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 30-34, female, annual growth rate 3.18 % change on previous year (2025)
- Population ages 30-34, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 30-34, female, per capita 0.0354 units per person (2025)
- Population ages 30-34, male, annual growth rate 2.95 % change on previous year (2025)
- Population ages 30-34, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 30-34, male, per capita 0.0355 units per person (2025)
Frequently asked questions
- What is number of new hiv infections in Sierra Leone?
- Number of new hiv infections in Sierra Leone was 2,500 Cases in 2024, according to World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest number of new hiv infections recorded in Sierra Leone?
- The highest recorded value was 6,500 Cases in 2004.
- What is the lowest number of new hiv infections recorded in Sierra Leone?
- The lowest recorded value was 2,500 Cases in 2024.
- How does Sierra Leone rank for number of new hiv infections?
- Sierra Leone ranks 53rd out of 142 countries with data for 2024.
- Is number of new hiv infections rising or falling in Sierra Leone?
- Over the last ten years it is down 56.9%. 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 (2026) – with minor processing by Our World in Data, published as part of Number of new HIV infections. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The estimated annual number of new HIV infections each year.