Prevalence of HIV among adults aged 15 to 49 in Tanzania, United Republic of

Tanzania, United Republic of: Prevalence of HIV among adults aged 15 to 49 was 3.4% in 2025. ▼ Falling

Latest (2025)
3.4%
Change on year
down 2.9%
World rank
11th
of 143 countries
All-time high
6.1%
in 2000
All-time low
3.4%
in 2025
Years of data
26
2000–2025

Prevalence of HIV among adults aged 15 to 49 in Tanzania, United Republic of, 2000–2025

02462000201220252000: 6.12001: 5.92002: 5.72003: 5.52004: 5.32005: 5.12006: 4.92007: 4.82008: 4.72009: 4.62010: 4.62011: 4.62012: 4.52013: 4.52014: 4.52015: 4.52016: 4.42017: 4.42018: 4.32019: 4.22020: 4.12021: 42022: 3.92023: 3.72024: 3.52025: 3.4

Source: World Health Organization, Global Health Observatory.

Analysis

The most recent figure for prevalence of hiv among adults aged 15 to 49 in Tanzania, United Republic of is 3.4%, measured in 2025. That is the lowest value across all 26 years on record.

That represents a change of down 2.9% on the previous year and down 24.4% over ten years.

Over the whole period, prevalence of hiv among adults aged 15 to 49 in Tanzania, United Republic of peaked at 6.1% in 2000 and was at its lowest, 3.4%, in 2025.

That places Tanzania, United Republic of 11th out of 143 countries with data for 2025, putting it in the top 10%.

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

Prevalence of HIV among adults aged 15 to 49 in Tanzania, United Republic of, year by year

Annual values for Prevalence of HIV among adults aged 15 to 49 (%) in Tanzania, United Republic of, 2000 to 2025.
Year Value Change
2000 6.1%
2001 5.9% -3.3%
2002 5.7% -3.4%
2003 5.5% -3.5%
2004 5.3% -3.6%
2005 5.1% -3.8%
2006 4.9% -3.9%
2007 4.8% -2.0%
2008 4.7% -2.1%
2009 4.6% -2.1%
2010 4.6% +0.0%
2011 4.6% +0.0%
2012 4.5% -2.2%
2013 4.5% +0.0%
2014 4.5% +0.0%
2015 4.5% +0.0%
2016 4.4% -2.2%
2017 4.4% +0.0%
2018 4.3% -2.3%
2019 4.2% -2.3%
2020 4.1% -2.4%
2021 4.0% -2.4%
2022 3.9% -2.5%
2023 3.7% -5.1%
2024 3.5% -5.4%
2025 3.4% -2.9%

Tanzania, United Republic of compared with similar countries

  • Tanzania, United Republic of's 3.4% is above the median for lower middle income countries, which is 0.6%, 6.2× the median. (40 countries reporting)
  • Tanzania, United Republic of's 3.4% is above the median for Sub-Saharan Africa, which is 1.4%, 2.4× the median. (45 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 5.3% 4.6% 6.1% 10
2010s 4.5% 4.2% 4.6% 10
2020s 3.8% 3.4% 4.1% 6

Countries ranked near Tanzania, United Republic of

  1. 8 Zambia 8.0% compare
  2. 9 Malawi 6.1% compare
  3. 10 Uganda 4.7% compare
  4. 12 Kenya 3.2% compare
  5. 12 Congo 3.2% compare
  6. 14 Cameroon 2.7% compare

See the full ranking of 152 places →

More health data for Tanzania, United Republic of

All data for Tanzania, United Republic of →

Frequently asked questions

What is prevalence of hiv among adults aged 15 to 49 in Tanzania, United Republic of?
Prevalence of hiv among adults aged 15 to 49 in Tanzania, United Republic of was 3.4% in 2025, according to World Health Organization, Global Health Observatory.
What is the highest prevalence of hiv among adults aged 15 to 49 recorded in Tanzania, United Republic of?
The highest recorded value was 6.1% in 2000.
What is the lowest prevalence of hiv among adults aged 15 to 49 recorded in Tanzania, United Republic of?
The lowest recorded value was 3.4% in 2025.
How does Tanzania, United Republic of rank for prevalence of hiv among adults aged 15 to 49?
Tanzania, United Republic of ranks 11th out of 143 countries with data for 2025.
Is prevalence of hiv among adults aged 15 to 49 rising or falling in Tanzania, United Republic of?
Over the last ten years it is down 24.4%. The long-run trend across the full record is falling.
Where does this Tanzania, United Republic of data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Prevalence of HIV among adults aged 15 to 49 (%). Statizoid updates them automatically from the source API.

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Prevalence of HIV among adults aged 15 to 49 in Tanzania, United Republic of. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 16 September 2026, from https://health.statizoid.com/stat/prevalence-of-hiv-among-adults-aged-15-to-49-percent/tanzania/

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About this data

Indicator
Prevalence of HIV among adults aged 15 to 49 (%)
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
152 places, 3,917 data points, 2000–2025
Last refreshed