Number of one-year-olds who have not received the inactivated polio vaccine in Comoros
Comoros: Number of one-year-olds who have not received the inactivated polio vaccine was 5,767 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who have not received the inactivated polio vaccine in Comoros, 2015–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
Comoros recorded 5,767 one-year-olds for number of one-year-olds who have not received the inactivated polio vaccine in 2023.
That represents a change of up 4.7% on the previous year and up 20.1% over ten years.
Over the whole period, number of one-year-olds who have not received the inactivated polio vaccine in Comoros peaked at 12,121 one-year-olds in 2017 and was at its lowest, 4,801 one-year-olds, in 2015.
That places Comoros 104th out of 194 countries with data for 2023, putting it in the middle of the range.
Number of one-year-olds who have not received the inactivated polio vaccine in Comoros, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 2015 | 4,801 one-year-olds | — |
| 2016 | 5,255 one-year-olds | +9.5% |
| 2017 | 12,121 one-year-olds | +130.6% |
| 2018 | 6,681 one-year-olds | -44.9% |
| 2019 | 6,294 one-year-olds | -5.8% |
| 2020 | 5,661 one-year-olds | -10.1% |
| 2021 | 6,389 one-year-olds | +12.9% |
| 2022 | 5,509 one-year-olds | -13.8% |
| 2023 | 5,767 one-year-olds | +4.7% |
Comoros compared with similar countries
- Comoros's 5,767 one-year-olds is below the median for lower middle income countries, which is 44,540 one-year-olds, 13% of the median. (46 countries reporting)
- Comoros's 5,767 one-year-olds is below the median for Sub-Saharan Africa, which is 58,553 one-year-olds, 10% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 7,031 one-year-olds | 4,801 one-year-olds | 12,121 one-year-olds | 5 |
| 2020s | 5,832 one-year-olds | 5,509 one-year-olds | 6,389 one-year-olds | 4 |
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 number of one-year-olds who have not received the inactivated polio vaccine in Comoros?
- Number of one-year-olds who have not received the inactivated polio vaccine in Comoros was 5,767 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who have not received the inactivated polio vaccine recorded in Comoros?
- The highest recorded value was 12,121 one-year-olds in 2017.
- What is the lowest number of one-year-olds who have not received the inactivated polio vaccine recorded in Comoros?
- The lowest recorded value was 4,801 one-year-olds in 2015.
- How does Comoros rank for number of one-year-olds who have not received the inactivated polio vaccine?
- Comoros ranks 104th out of 194 countries with data for 2023.
- Is number of one-year-olds who have not received the inactivated polio vaccine rising or falling in Comoros?
- Over the last ten years it is up 20.1%. The long-run trend across the full record is falling.
- 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 Number of one-year-olds who have not received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.