Share of one-year-olds vaccinated against hepatitis B in Comoros
Comoros: Share of one-year-olds vaccinated against hepatitis B was 75.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against hepatitis B in Comoros, 2003–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Comoros recorded 75.0% for share of one-year-olds vaccinated against hepatitis b in 2024.
Compared with earlier readings it is down 6.2% over ten years.
Over the whole period, share of one-year-olds vaccinated against hepatitis b in Comoros peaked at 86.0% in 2012 and was at its lowest, 28.0%, in 2003.
Comoros ranks 151st of 189 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 22 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 68.7% | 28.0% | 83.0% | 7 |
| 2010s | 79.5% | 74.0% | 86.0% | 10 |
| 2020s | 74.8% | 72.0% | 78.0% | 5 |
Countries ranked near Comoros
More reference data data for Comoros
- Spring temperature anomalies -0.0329 °C (2026)
- Summer temperature anomalies 0.5349 °C (2026)
- Temperature anomalies by month 0.3401 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.4535 °C (2025)
- Winter temperature anomalies 0.7794 °C (2025)
- Consumer price index 157.9 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against hepatitis b in Comoros?
- Share of one-year-olds vaccinated against hepatitis b in Comoros was 75.0% 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 Comoros?
- The highest recorded value was 86.0% in 2012.
- What is the lowest share of one-year-olds vaccinated against hepatitis b recorded in Comoros?
- The lowest recorded value was 28.0% in 2003.
- How does Comoros rank for share of one-year-olds vaccinated against hepatitis b?
- Comoros ranks 151st out of 189 countries with data for 2024.
- Is share of one-year-olds vaccinated against hepatitis b rising or falling in Comoros?
- Over the last ten years it is down 6.2%. The long-run trend across the full record is rising.
- Where does this Comoros 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 — 22 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.