Mauritania vs Samoa: Share of one-year-olds who are vaccinated against polio
Mauritania
85.0%
in 2024
Samoa
85.0%
in 2024
Mauritania rank
128th
Samoa rank
128th
Share of one-year-olds who are vaccinated against polio over time
- Mauritania
- Samoa
How they compare
Mauritania currently reports 85.0% against 85.0% in Samoa, a difference of 0.0%.
The two have swapped places 8 times across 44 shared years of data; in 1981 it was Samoa ahead.
Mauritania ranks 128th and Samoa ranks 128th of 194 countries.
Across the 5 decades both report, Mauritania averaged higher in 1 and Samoa in 4.
Head to head by decade
| Decade | Mauritania | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 19.1% | 85.9% | 66.8% | Samoa |
| 1990s | 40.5% | 92.7% | 52.2% | Samoa |
| 2000s | 71.7% | 71.0% | 0.7% | Mauritania |
| 2010s | 71.9% | 72.1% | 0.2% | Samoa |
| 2020s | 82.6% | 82.8% | 0.2% | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Mauritania or Samoa?
- Mauritania, at 85.0% against 85.0% in Samoa as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Mauritania and Samoa?
- 0.0%, with Mauritania ahead.
- How many years of comparable data are there for Mauritania and Samoa?
- 44 years are reported by both, from 1981 to 2024.
- How do Mauritania and Samoa rank globally for share of one-year-olds who are vaccinated against polio?
- Mauritania ranks 128th and Samoa ranks 128th of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.