Number of one-year-olds who have not received the inactivated polio vaccine in Samoa
Samoa: Number of one-year-olds who have not received the inactivated polio vaccine was 772.8 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who have not received the inactivated polio vaccine in Samoa, 2016–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
The most recent figure for number of one-year-olds who have not received the inactivated polio vaccine in Samoa is 772.8 one-year-olds, measured in 2023.
Compared with earlier readings it is down 40.8% on the previous year and up 119.0% over ten years.
That places Samoa 150th out of 194 countries with data for 2023, putting it in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 1,506 one-year-olds | 352.92 one-year-olds | 3,147 one-year-olds | 4 |
| 2020s | 915.04 one-year-olds | 237.52 one-year-olds | 1,343 one-year-olds | 4 |
Countries ranked near Samoa
More health data for Samoa
- Number of infants who die before age 1 17 deaths (2100)
- Estimated changes in temperature-related death rates compared to projected death rates 708.7 deaths per 1,000 people (2090)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 13, female, interpolated 2,703 (2025)
- Age population, age 15, female, interpolated 2,479 (2025)
- Age population, age 14, male, interpolated 2,762 (2025)
- Age population, age 14, female, interpolated 2,588 (2025)
- Age population, age 13, male, interpolated 2,863 (2025)
- Age population, age 12, female, interpolated 2,747 (2025)
Frequently asked questions
- What is number of one-year-olds who have not received the inactivated polio vaccine in Samoa?
- Number of one-year-olds who have not received the inactivated polio vaccine in Samoa was 772.8 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 Samoa?
- The highest recorded value was 3,147 one-year-olds in 2018.
- What is the lowest number of one-year-olds who have not received the inactivated polio vaccine recorded in Samoa?
- The lowest recorded value was 237.52 one-year-olds in 2020.
- How does Samoa rank for number of one-year-olds who have not received the inactivated polio vaccine?
- Samoa ranks 150th 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 Samoa?
- Over the last ten years it is up 119.0%. The long-run trend across the full record is volatile.
- Where does this Samoa 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.