New HIV infections averted by prevention of mother-to-child transmission in Tanzania
Tanzania: New HIV infections averted by prevention of mother-to-child transmission was 18,074 infections in 2024. ◆ Volatile
New HIV infections averted by prevention of mother-to-child transmission in Tanzania, 1990–2024
Source: Joint United Nations Programme on HIV/AIDS (2026) – with minor processing by Our World in Data. Measured in infections.
Analysis
In 2024, new hiv infections averted by prevention of mother-to-child transmission in Tanzania stood at 18,074 infections.
The figure is down 5.7% on the previous year and up 5.1% over ten years.
Over the whole period, new hiv infections averted by prevention of mother-to-child transmission in Tanzania peaked at 20,848 infections in 2020 and was at its lowest, 0 infections, in 1990.
That places Tanzania 4th out of 85 countries with data for 2024, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
New HIV infections averted by prevention of mother-to-child transmission in Tanzania, year by year
| Year | infections | Change |
|---|---|---|
| 1990 | 0 infections | — |
| 1991 | 0 infections | — |
| 1992 | 0 infections | — |
| 1993 | 0 infections | — |
| 1994 | 0 infections | — |
| 1995 | 0 infections | — |
| 1996 | 0 infections | — |
| 1997 | 0 infections | — |
| 1998 | 0 infections | — |
| 1999 | 0 infections | — |
| 2000 | 0 infections | — |
| 2001 | 0 infections | — |
| 2002 | 0 infections | — |
| 2003 | 61.01 infections | — |
| 2004 | 170.16 infections | +178.9% |
| 2005 | 1,707 infections | +902.9% |
| 2006 | 2,176 infections | +27.5% |
| 2007 | 6,123 infections | +181.3% |
| 2008 | 7,389 infections | +20.7% |
| 2009 | 12,136 infections | +64.2% |
| 2010 | 13,653 infections | +12.5% |
| 2011 | 15,411 infections | +12.9% |
| 2012 | 18,139 infections | +17.7% |
| 2013 | 18,483 infections | +1.9% |
| 2014 | 17,197 infections | -7.0% |
| 2015 | 16,708 infections | -2.8% |
| 2016 | 16,574 infections | -0.8% |
| 2017 | 19,364 infections | +16.8% |
| 2018 | 20,696 infections | +6.9% |
| 2019 | 20,822 infections | +0.6% |
| 2020 | 20,848 infections | +0.1% |
| 2021 | 19,729 infections | -5.4% |
| 2022 | 19,401 infections | -1.7% |
| 2023 | 19,164 infections | -1.2% |
| 2024 | 18,074 infections | -5.7% |
Tanzania compared with similar countries
- Tanzania's 18,074 infections is above the median for lower middle income countries, which is 518.23 infections, 34.9× the median. (33 countries reporting)
- Tanzania's 18,074 infections is above the median for Sub-Saharan Africa, which is 1,267 infections, 14.3× the median. (40 countries reporting)
Biggest year-on-year movements
Years where New HIV infections averted by prevention of mother-to-child transmission in Tanzania changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2005 | +902.9% | 170.16 infections | 1,707 infections |
| 2007 | +181.3% | 2,176 infections | 6,123 infections |
| 2004 | +178.9% | 61.01 infections | 170.16 infections |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0 infections | 0 infections | 0 infections | 10 |
| 2000s | 2,976 infections | 0 infections | 12,136 infections | 10 |
| 2010s | 17,705 infections | 13,653 infections | 20,822 infections | 10 |
| 2020s | 19,443 infections | 18,074 infections | 20,848 infections | 5 |
Countries ranked near Tanzania
More health data for Tanzania
- Un projection of annual infant deaths, annual growth rate -1.03 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.7342 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 658.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 32,514 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 13 (2025)
- Population ages 00-04, female, annual growth rate 1.86 % 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 0.0786 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.89 % 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 hiv infections averted by prevention of mother-to-child transmission in Tanzania?
- New hiv infections averted by prevention of mother-to-child transmission in Tanzania was 18,074 infections 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 hiv infections averted by prevention of mother-to-child transmission recorded in Tanzania?
- The highest recorded value was 20,848 infections in 2020.
- What is the lowest new hiv infections averted by prevention of mother-to-child transmission recorded in Tanzania?
- The lowest recorded value was 0 infections in 1990.
- How does Tanzania rank for new hiv infections averted by prevention of mother-to-child transmission?
- Tanzania ranks 4th out of 85 countries with data for 2024.
- Is new hiv infections averted by prevention of mother-to-child transmission rising or falling in Tanzania?
- Over the last ten years it is up 5.1%. The long-run trend across the full record is volatile.
- Where does this Tanzania 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 HIV infections averted by prevention of mother-to-child transmission. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 35 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
New HIV infections among children (aged 0-14 years) prevented through the implementation of Prevention of Mother-to-Child Transmission (PMTCT) programs. This is the central estimate.