Immunization, Pol3 (% of one-year-old children) in Tanzania
Tanzania: Immunization, Pol3 (% of one-year-old children) was 80.0% in 2024. ▲ Rising
Immunization, Pol3 in Tanzania, 1980–2024
Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Measured in % of one-year-old children.
Analysis
The most recent figure for immunization, pol3 in Tanzania is 80.0%, measured in 2024.
Compared with earlier readings it is down 17.5% over ten years.
Over the whole period, immunization, pol3 in Tanzania peaked at 97.0% in 2003 and was at its lowest, 46.0%, in 1981.
That places Tanzania 141st out of 193 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Immunization, Pol3 (% of one-year-old children) in Tanzania, year by year
| Year | % of one-year-old children | Change |
|---|---|---|
| 1980 | 57.0% | — |
| 1981 | 46.0% | -19.3% |
| 1982 | 48.0% | +4.3% |
| 1983 | 49.0% | +2.1% |
| 1984 | 47.0% | -4.1% |
| 1985 | 64.0% | +36.2% |
| 1986 | 73.0% | +14.1% |
| 1987 | 80.0% | +9.6% |
| 1988 | 82.0% | +2.5% |
| 1989 | 66.0% | -19.5% |
| 1990 | 78.0% | +18.2% |
| 1991 | 81.0% | +3.8% |
| 1992 | 82.0% | +1.2% |
| 1993 | 78.0% | -4.9% |
| 1994 | 83.0% | +6.4% |
| 1995 | 79.0% | -4.8% |
| 1996 | 80.0% | +1.3% |
| 1997 | 79.0% | -1.2% |
| 1998 | 79.0% | +0.0% |
| 1999 | 74.0% | -6.3% |
| 2000 | 64.0% | -13.5% |
| 2001 | 65.0% | +1.6% |
| 2002 | 91.0% | +40.0% |
| 2003 | 97.0% | +6.6% |
| 2004 | 95.0% | -2.1% |
| 2005 | 91.0% | -4.2% |
| 2006 | 91.0% | +0.0% |
| 2007 | 88.0% | -3.3% |
| 2008 | 89.0% | +1.1% |
| 2009 | 88.0% | -1.1% |
| 2010 | 94.0% | +6.8% |
| 2011 | 88.0% | -6.4% |
| 2012 | 90.0% | +2.3% |
| 2013 | 91.0% | +1.1% |
| 2014 | 97.0% | +6.6% |
| 2015 | 93.0% | -4.1% |
| 2016 | 89.0% | -4.3% |
| 2017 | 89.0% | +0.0% |
| 2018 | 82.0% | -7.9% |
| 2019 | 87.0% | +6.1% |
| 2020 | 61.0% | -29.9% |
| 2021 | 64.0% | +4.9% |
| 2022 | 82.0% | +28.1% |
| 2023 | 80.0% | -2.4% |
| 2024 | 80.0% | +0.0% |
Tanzania compared with similar countries
- Tanzania's 80.0% is below the median for lower middle income countries, which is 85.0%, 94% of the median. (47 countries reporting)
- Tanzania's 80.0% is above the median for Sub-Saharan Africa, which is 77.0%, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 61.2% | 46.0% | 82.0% | 10 |
| 1990s | 79.3% | 74.0% | 83.0% | 10 |
| 2000s | 85.9% | 64.0% | 97.0% | 10 |
| 2010s | 90.0% | 82.0% | 97.0% | 10 |
| 2020s | 73.4% | 61.0% | 82.0% | 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)
- Un projection of annual infant deaths 32,514 (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)
- Population ages 00-04, male, per capita 0.0805 units per person (2025)
Frequently asked questions
- What is immunization, pol3 in Tanzania?
- Immunization, pol3 in Tanzania was 80.0% in 2024, according to WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/).
- What is the highest immunization, pol3 recorded in Tanzania?
- The highest recorded value was 97.0% in 2003.
- What is the lowest immunization, pol3 recorded in Tanzania?
- The lowest recorded value was 46.0% in 1981.
- How does Tanzania rank for immunization, pol3?
- Tanzania ranks 141st out of 193 countries with data for 2024.
- Is immunization, pol3 rising or falling in Tanzania?
- Over the last ten years it is down 17.5%. The long-run trend across the full record is rising.
- Where does this Tanzania data come from?
- The figures come from WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as part of Immunization, Pol3 (% of one-year-old children). Statizoid updates them automatically from the source API.
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About this data
Child immunization rate, polio, is the percentage of children ages 12-23 months who received polio vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized after three doses.