Number of one-year-olds who are not vaccinated against polio in Samoa
Samoa: Number of one-year-olds who are not vaccinated against polio was 883.2 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against polio in Samoa, 1980–2023
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 are not vaccinated against polio in Samoa is 883.2 one-year-olds, measured in 2023.
Compared with earlier readings it is down 35.2% on the previous year and down 21.4% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against polio in Samoa peaked at 3,719 one-year-olds in 1980 and was at its lowest, 54.92 one-year-olds, in 1998.
Samoa ranks 152nd of 194 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 1,043 one-year-olds | 210.2 one-year-olds | 3,719 one-year-olds | 10 |
| 1990s | 382.94 one-year-olds | 54.92 one-year-olds | 1,089 one-year-olds | 10 |
| 2000s | 1,540 one-year-olds | 107.92 one-year-olds | 3,425 one-year-olds | 10 |
| 2010s | 1,628 one-year-olds | 1,057 one-year-olds | 3,263 one-year-olds | 10 |
| 2020s | 1,017 one-year-olds | 653.18 one-year-olds | 1,363 one-year-olds | 4 |
Countries ranked near Samoa
More health data for Samoa
- Estimated changes in temperature-related death rates compared to projected death rates 708.7 deaths per 1,000 people (2090)
- Number of infants who die before age 1 17 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 1,531 (2025)
- Age population, age 25, female, interpolated 1,435 (2025)
- Age population, age 24, male, interpolated 1,631 (2025)
- Age population, age 24, female, interpolated 1,442 (2025)
- Age population, age 23, male, interpolated 1,598 (2025)
- Age population, age 23, female, interpolated 1,465 (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against polio in Samoa?
- Number of one-year-olds who are not vaccinated against polio in Samoa was 883.2 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 are not vaccinated against polio recorded in Samoa?
- The highest recorded value was 3,719 one-year-olds in 1980.
- What is the lowest number of one-year-olds who are not vaccinated against polio recorded in Samoa?
- The lowest recorded value was 54.92 one-year-olds in 1998.
- How does Samoa rank for number of one-year-olds who are not vaccinated against polio?
- Samoa ranks 152nd out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against polio rising or falling in Samoa?
- Over the last ten years it is down 21.4%. 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 are not vaccinated against polio. 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 third dose of either the oral or inactivated polio vaccine in a given year.