Number of one-year-olds who have not received the inactivated polio vaccine in Madagascar
Madagascar: Number of one-year-olds who have not received the inactivated polio vaccine was 346,189 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who have not received the inactivated polio vaccine in Madagascar, 2015–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
In 2023, number of one-year-olds who have not received the inactivated polio vaccine in Madagascar stood at 346,189 one-year-olds.
Compared with earlier readings it is down 12.8% on the previous year and down 38.2% over ten years.
Over the whole period, number of one-year-olds who have not received the inactivated polio vaccine in Madagascar peaked at 559,984 one-year-olds in 2015 and was at its lowest, 245,193 one-year-olds, in 2018.
That places Madagascar 13th out of 194 countries with data for 2023, putting it in the top 10%.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 358,823 one-year-olds | 245,193 one-year-olds | 559,984 one-year-olds | 5 |
| 2020s | 366,150 one-year-olds | 320,836 one-year-olds | 400,361 one-year-olds | 4 |
Countries ranked near Madagascar
More health data for Madagascar
- Estimated changes in temperature-related death rates compared to projected death rates 920.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 14,569 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 294,158 (2025)
- Age population, age 25, female, interpolated 291,154 (2025)
- Age population, age 24, male, interpolated 298,887 (2025)
- Age population, age 24, female, interpolated 295,667 (2025)
- Age population, age 23, male, interpolated 303,995 (2025)
- Age population, age 23, female, interpolated 300,558 (2025)
Frequently asked questions
- What is number of one-year-olds who have not received the inactivated polio vaccine in Madagascar?
- Number of one-year-olds who have not received the inactivated polio vaccine in Madagascar was 346,189 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 Madagascar?
- The highest recorded value was 559,984 one-year-olds in 2015.
- What is the lowest number of one-year-olds who have not received the inactivated polio vaccine recorded in Madagascar?
- The lowest recorded value was 245,193 one-year-olds in 2018.
- How does Madagascar rank for number of one-year-olds who have not received the inactivated polio vaccine?
- Madagascar ranks 13th 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 Madagascar?
- Over the last ten years it is down 38.2%. The long-run trend across the full record is falling.
- Where does this Madagascar 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.