Share of one-year-olds who received the inactivated polio vaccine in Samoa
Samoa: Share of one-year-olds who received the inactivated polio vaccine was 86.0% in 2024. ▲ Rising
Share of one-year-olds who received the inactivated polio vaccine in Samoa, 2016–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Samoa recorded 86.0% for share of one-year-olds who received the inactivated polio vaccine in 2024.
The figure is down 8.5% over ten years.
Over the whole period, share of one-year-olds who received the inactivated polio vaccine in Samoa peaked at 96.0% in 2020 and was at its lowest, 46.0%, in 2018.
That places Samoa 132nd out of 194 countries with data for 2024, putting it in the middle of the range.
Share of one-year-olds who received the inactivated polio vaccine in Samoa, year by year
| Year | % | Change |
|---|---|---|
| 2016 | 94.0% | — |
| 2017 | 81.0% | -13.8% |
| 2018 | 46.0% | -43.2% |
| 2019 | 76.0% | +65.2% |
| 2020 | 96.0% | +26.3% |
| 2021 | 77.0% | -19.8% |
| 2022 | 77.0% | +0.0% |
| 2023 | 86.0% | +11.7% |
| 2024 | 86.0% | +0.0% |
Samoa compared with similar countries
- Samoa's 86.0% is below the median for upper middle income countries, which is 94.0%, 91% of the median. (58 countries reporting)
- Samoa's 86.0% is below the median for East Asia & Pacific, which is 93.5%, 92% of the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 74.2% | 46.0% | 94.0% | 4 |
| 2020s | 84.4% | 77.0% | 96.0% | 5 |
Countries ranked near Samoa
More health data for Samoa
- Un projection of annual infant deaths, annual growth rate 0 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.71 % change on previous year (2090)
- 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)
- Neonatal tetanus - number of reported cases, gaps filled 1 (2025)
- Population ages 00-04, female, annual growth rate -2.45 % 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 0.0591 units per person (2025)
- Population ages 00-04, male, annual growth rate -2.5 % 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 who received the inactivated polio vaccine in Samoa?
- Share of one-year-olds who received the inactivated polio vaccine in Samoa was 86.0% 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 who received the inactivated polio vaccine recorded in Samoa?
- The highest recorded value was 96.0% in 2020.
- What is the lowest share of one-year-olds who received the inactivated polio vaccine recorded in Samoa?
- The lowest recorded value was 46.0% in 2018.
- How does Samoa rank for share of one-year-olds who received the inactivated polio vaccine?
- Samoa ranks 132nd out of 194 countries with data for 2024.
- Is share of one-year-olds who received the inactivated polio vaccine rising or falling in Samoa?
- Over the last ten years it is down 8.5%. The long-run trend across the full record is rising.
- 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 Share of one-year-olds who received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.