Share of one-year-olds vaccinated against hepatitis B in Tanzania
Tanzania: Share of one-year-olds vaccinated against hepatitis B was 83.0% in 2024. ▬ Flat
Share of one-year-olds vaccinated against hepatitis B in Tanzania, 2002–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Tanzania recorded 83.0% for share of one-year-olds vaccinated against hepatitis b in 2024. That is the lowest value across all 23 years on record.
That represents a change of down 14.4% over ten years.
Over the whole period, share of one-year-olds vaccinated against hepatitis b in Tanzania peaked at 97.0% in 2014 and was at its lowest, 83.0%, in 2007.
Tanzania ranks 132nd of 189 countries on this measure, in the middle of the range.
Share of one-year-olds vaccinated against hepatitis B in Tanzania, year by year
| Year | % | Change |
|---|---|---|
| 2002 | 89.0% | — |
| 2003 | 95.0% | +6.7% |
| 2004 | 95.0% | +0.0% |
| 2005 | 90.0% | -5.3% |
| 2006 | 90.0% | +0.0% |
| 2007 | 83.0% | -7.8% |
| 2008 | 86.0% | +3.6% |
| 2009 | 85.0% | -1.2% |
| 2010 | 91.0% | +7.1% |
| 2011 | 90.0% | -1.1% |
| 2012 | 92.0% | +2.2% |
| 2013 | 91.0% | -1.1% |
| 2014 | 97.0% | +6.6% |
| 2015 | 96.0% | -1.0% |
| 2016 | 92.0% | -4.2% |
| 2017 | 90.0% | -2.2% |
| 2018 | 89.0% | -1.1% |
| 2019 | 91.0% | +2.2% |
| 2020 | 91.0% | +0.0% |
| 2021 | 86.0% | -5.5% |
| 2022 | 87.0% | +1.2% |
| 2023 | 83.0% | -4.6% |
| 2024 | 83.0% | +0.0% |
Tanzania compared with similar countries
- Tanzania's 83.0% is below the median for lower middle income countries, which is 84.0%, 99% of the median. (46 countries reporting)
- Tanzania's 83.0% is above the median for Sub-Saharan Africa, which is 82.5%, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 89.1% | 83.0% | 95.0% | 8 |
| 2010s | 91.9% | 89.0% | 97.0% | 10 |
| 2020s | 86.0% | 83.0% | 91.0% | 5 |
Countries ranked near Tanzania
More reference data data for Tanzania
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.14 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 2.15 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)
Frequently asked questions
- What is share of one-year-olds vaccinated against hepatitis b in Tanzania?
- Share of one-year-olds vaccinated against hepatitis b in Tanzania was 83.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against hepatitis b recorded in Tanzania?
- The highest recorded value was 97.0% in 2014.
- What is the lowest share of one-year-olds vaccinated against hepatitis b recorded in Tanzania?
- The lowest recorded value was 83.0% in 2007.
- How does Tanzania rank for share of one-year-olds vaccinated against hepatitis b?
- Tanzania ranks 132nd out of 189 countries with data for 2024.
- Is share of one-year-olds vaccinated against hepatitis b rising or falling in Tanzania?
- Over the last ten years it is down 14.4%. The long-run trend across the full record is flat.
- Where does this Tanzania data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against hepatitis B. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 23 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had three doses of the hepatitis B vaccine in a given year.