Adults (ages 15-49) newly infected with HIV in Sierra Leone

Sierra Leone: Adults (ages 15-49) newly infected with HIV was 1,700 in 2024. ▼ Falling

Latest (2024)
1,700
Change on year
down 10.5%
World rank
54th
of 140 countries
All-time high
4,200
in 1997
All-time low
1,700
in 2024
Years of data
35
1990–2024

Adults (ages 15-49) newly infected with HIV in Sierra Leone, 1990–2024

01.0k2.0k3.0k4.0k1990200720241990: 2.9k1991: 3.4k1992: 3.5k1993: 3.9k1994: 4.1k1995: 4.1k1996: 4.1k1997: 4.2k1998: 4.1k1999: 4.0k2000: 3.8k2001: 3.8k2002: 4.0k2003: 4.0k2004: 4.0k2005: 4.0k2006: 4.0k2007: 4.0k2008: 4.1k2009: 4.0k2010: 4.0k2011: 3.9k2012: 4.0k2013: 3.9k2014: 4.0k2015: 4.1k2016: 4.0k2017: 3.9k2018: 3.6k2019: 3.3k2020: 3.3k2021: 2.9k2022: 2.3k2023: 1.9k2024: 1.7k

Source: UNAIDS estimates, Joint United Nations Programme on HIV/AIDS (UNAIDS).

Analysis

The most recent figure for adults (ages 15-49) newly infected with hiv in Sierra Leone is 1,700, measured in 2024. That is the lowest value across all 35 years on record.

Compared with earlier readings it is down 10.5% on the previous year and down 57.5% over ten years.

Over the whole period, adults (ages 15-49) newly infected with hiv in Sierra Leone peaked at 4,200 in 1997 and was at its lowest, 1,700, in 2024.

That places Sierra Leone 54th out of 140 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.

Adults (ages 15-49) newly infected with HIV in Sierra Leone, year by year

Annual values for Adults (ages 15-49) newly infected with HIV in Sierra Leone, 1990 to 2024.
Year Value Change
1990 2,900
1991 3,400 +17.2%
1992 3,500 +2.9%
1993 3,900 +11.4%
1994 4,100 +5.1%
1995 4,100 +0.0%
1996 4,100 +0.0%
1997 4,200 +2.4%
1998 4,100 -2.4%
1999 4,000 -2.4%
2000 3,800 -5.0%
2001 3,800 +0.0%
2002 4,000 +5.3%
2003 4,000 +0.0%
2004 4,000 +0.0%
2005 4,000 +0.0%
2006 4,000 +0.0%
2007 4,000 +0.0%
2008 4,100 +2.5%
2009 4,000 -2.4%
2010 4,000 +0.0%
2011 3,900 -2.5%
2012 4,000 +2.6%
2013 3,900 -2.5%
2014 4,000 +2.6%
2015 4,100 +2.5%
2016 4,000 -2.4%
2017 3,900 -2.5%
2018 3,600 -7.7%
2019 3,300 -8.3%
2020 3,300 +0.0%
2021 2,900 -12.1%
2022 2,300 -20.7%
2023 1,900 -17.4%
2024 1,700 -10.5%

Averages by decade

DecadeAverage LowestHighest Years
1990s 3,830 2,900 4,200 10
2000s 3,970 3,800 4,100 10
2010s 3,870 3,300 4,100 10
2020s 2,420 1,700 3,300 5

Countries ranked near Sierra Leone

  1. 52 Burkina Faso 2,000 compare
  2. 53 Bolivia, Plurinational State of 1,800 compare
  3. 54 Canada 1,700 compare
  4. 54 Cuba 1,700 compare
  5. 54 Ecuador 1,700 compare

See the full ranking of 141 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is adults (ages 15-49) newly infected with hiv in Sierra Leone?
Adults (ages 15-49) newly infected with hiv in Sierra Leone was 1,700 in 2024, according to UNAIDS estimates, Joint United Nations Programme on HIV/AIDS (UNAIDS).
What is the highest adults (ages 15-49) newly infected with hiv recorded in Sierra Leone?
The highest recorded value was 4,200 in 1997.
What is the lowest adults (ages 15-49) newly infected with hiv recorded in Sierra Leone?
The lowest recorded value was 1,700 in 2024.
How does Sierra Leone rank for adults (ages 15-49) newly infected with hiv?
Sierra Leone ranks 54th out of 140 countries with data for 2024.
Is adults (ages 15-49) newly infected with hiv rising or falling in Sierra Leone?
Over the last ten years it is down 57.5%. The long-run trend across the full record is falling.
Where does this Sierra Leone data come from?
The figures come from UNAIDS estimates, Joint United Nations Programme on HIV/AIDS (UNAIDS), published as part of Adults (ages 15-49) newly infected with HIV. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 35 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Adults (ages 15-49) newly infected with HIV in Sierra Leone. Statizoid, drawing on UNAIDS estimates, Joint United Nations Programme on HIV/AIDS (UNAIDS). Retrieved 04 September 2026, from https://health.statizoid.com/stat/adults-ages-15-49-newly-infected-with-hiv/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://health.statizoid.com/stat/adults-ages-15-49-newly-infected-with-hiv/sierra-leone/">Adults (ages 15-49) newly infected with HIV in Sierra Leone</a> — Statizoid

About this data

Indicator
Adults (ages 15-49) newly infected with HIV
Source
UNAIDS estimates, Joint United Nations Programme on HIV/AIDS (UNAIDS)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
141 places, 4,878 data points, 1990–2024
Last refreshed

Number of adults (ages 15-49) newly infected with HIV.