Share of one-year-olds vaccinated against Haemophilus influenzae type B in Comoros
Comoros: Share of one-year-olds vaccinated against Haemophilus influenzae type B was 75.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against Haemophilus influenzae type B in Comoros, 2009–2024
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 haemophilus influenzae type 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 haemophilus influenzae type b in Comoros peaked at 86.0% in 2012 and was at its lowest, 38.0%, in 2009.
Comoros ranks 152nd of 192 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 16 years of available data.
Share of one-year-olds vaccinated against Haemophilus influenzae type B in Comoros, year by year
| Year | % | Change |
|---|---|---|
| 2009 | 38.0% | — |
| 2010 | 74.0% | +94.7% |
| 2011 | 83.0% | +12.2% |
| 2012 | 86.0% | +3.6% |
| 2013 | 83.0% | -3.5% |
| 2014 | 80.0% | -3.6% |
| 2015 | 80.0% | +0.0% |
| 2016 | 75.0% | -6.2% |
| 2017 | 79.0% | +5.3% |
| 2018 | 77.0% | -2.5% |
| 2019 | 78.0% | +1.3% |
| 2020 | 74.0% | -5.1% |
| 2021 | 72.0% | -2.7% |
| 2022 | 78.0% | +8.3% |
| 2023 | 75.0% | -3.8% |
| 2024 | 75.0% | +0.0% |
Comoros compared with similar countries
- Comoros's 75.0% is below the median for lower middle income countries, which is 84.0%, 89% of the median. (46 countries reporting)
- Comoros's 75.0% is below the median for Sub-Saharan Africa, which is 82.5%, 91% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds vaccinated against Haemophilus influenzae type B in Comoros 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 |
|---|---|---|---|
| 2010 | +94.7% | 38.0% | 74.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 38.0% | 38.0% | 38.0% | 1 |
| 2010s | 79.5% | 74.0% | 86.0% | 10 |
| 2020s | 74.8% | 72.0% | 78.0% | 5 |
Countries ranked near Comoros
More health data for Comoros
- Un projection of annual infant deaths, annual growth rate -2.16 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.8656 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 827.3 deaths per 1,000 people (2090)
- Number of infants who die before age 1 136 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 2 (2025)
- Population ages 00-04, female, annual growth rate 0.6648 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0647 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.6855 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against haemophilus influenzae type b in Comoros?
- Share of one-year-olds vaccinated against haemophilus influenzae type 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 haemophilus influenzae type b recorded in Comoros?
- The highest recorded value was 86.0% in 2012.
- What is the lowest share of one-year-olds vaccinated against haemophilus influenzae type b recorded in Comoros?
- The lowest recorded value was 38.0% in 2009.
- How does Comoros rank for share of one-year-olds vaccinated against haemophilus influenzae type b?
- Comoros ranks 152nd out of 192 countries with data for 2024.
- Is share of one-year-olds vaccinated against haemophilus influenzae type 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 Haemophilus influenzae type B. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 16 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 Haemophilus influenzae type b vaccine in a given year.