Number of new HIV infections in Sierra Leone

Sierra Leone: Number of new HIV infections was 2,700 in 2025. ▼ Falling

Latest (2025)
2,700
Change on year
down 20.6%
World rank
47th
of 140 countries
All-time high
6,800
in 2004
All-time low
2,700
in 2025
Years of data
26
2000–2025

Number of new HIV infections in Sierra Leone, 2000–2025

02.0k4.0k6.0k2000201220252000: 6.1k2001: 6.4k2002: 6.6k2003: 6.7k2004: 6.8k2005: 6.8k2006: 6.7k2007: 6.8k2008: 6.7k2009: 6.6k2010: 6.6k2011: 6.5k2012: 6.5k2013: 6.6k2014: 6.7k2015: 6.6k2016: 6.6k2017: 6.3k2018: 5.9k2019: 5.9k2020: 5.7k2021: 5.1k2022: 4.5k2023: 3.9k2024: 3.4k2025: 2.7k

Source: World Health Organization, Global Health Observatory.

Analysis

The most recent figure for number of new hiv infections in Sierra Leone is 2,700, measured in 2025. That is the lowest value across all 26 years on record.

The figure is down 20.6% on the previous year and down 59.1% over ten years.

Over the whole period, number of new hiv infections in Sierra Leone peaked at 6,800 in 2004 and was at its lowest, 2,700, in 2025.

That places Sierra Leone 47th out of 140 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently falling across the 26 years of available data.

Number of new HIV infections in Sierra Leone, year by year

Annual values for Number of new HIV infections in Sierra Leone, 2000 to 2025.
Year Value Change
2000 6,100
2001 6,400 +4.9%
2002 6,600 +3.1%
2003 6,700 +1.5%
2004 6,800 +1.5%
2005 6,800 +0.0%
2006 6,700 -1.5%
2007 6,800 +1.5%
2008 6,700 -1.5%
2009 6,600 -1.5%
2010 6,600 +0.0%
2011 6,500 -1.5%
2012 6,500 +0.0%
2013 6,600 +1.5%
2014 6,700 +1.5%
2015 6,600 -1.5%
2016 6,600 +0.0%
2017 6,300 -4.5%
2018 5,900 -6.3%
2019 5,900 +0.0%
2020 5,700 -3.4%
2021 5,100 -10.5%
2022 4,500 -11.8%
2023 3,900 -13.3%
2024 3,400 -12.8%
2025 2,700 -20.6%

Averages by decade

DecadeAverage LowestHighest Years
2000s 6,620 6,100 6,800 10
2010s 6,420 5,900 6,700 10
2020s 4,217 2,700 5,700 6

Countries ranked near Sierra Leone

  1. 44 Malaysia 2,900 compare
  2. 44 Liberia 2,900 compare
  3. 46 Central African Republic 2,800 compare
  4. 47 Algeria 2,700 compare
  5. 49 Bolivia, Plurinational State of 2,400 compare
  6. 50 Rwanda 2,300 compare
  7. 50 Germany 2,300 compare

See the full ranking of 149 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is number of new hiv infections in Sierra Leone?
Number of new hiv infections in Sierra Leone was 2,700 in 2025, according to World Health Organization, Global Health Observatory.
What is the highest number of new hiv infections recorded in Sierra Leone?
The highest recorded value was 6,800 in 2004.
What is the lowest number of new hiv infections recorded in Sierra Leone?
The lowest recorded value was 2,700 in 2025.
How does Sierra Leone rank for number of new hiv infections?
Sierra Leone ranks 47th out of 140 countries with data for 2025.
Is number of new hiv infections rising or falling in Sierra Leone?
Over the last ten years it is down 59.1%. 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 Number of new HIV infections. Statizoid updates them automatically from the source API.

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Number of new HIV infections in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 03 September 2026, from https://health.statizoid.com/stat/number-of-new-hiv-infections/sierra-leone/

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About this data

Indicator
Number of new HIV infections
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
149 places, 3,817 data points, 2000–2025
Last refreshed