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.
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
- Temperature anomalies by month 0.5126 °C (2026)
- Summer temperature anomalies 0.3295 °C (2026)
- Spring temperature anomalies -0.6683 °C (2026)
- Universal right to vote in practice 2 (2025)
- Universal right to vote 2 (2025)
- Winter temperature anomalies 0.6747 °C (2025)
- Consumer price index 231.54 2010 = 100 (2025)
- Autumn temperature anomalies 0.5023 °C (2025)
- Elected parliament 1 (2025)
- Democracy 3 (2025)
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.