Montenegro vs Sao Tome and Principe: Number of one-year-olds who are not vaccinated against polio
Montenegro
1,400 one-year-olds
in 2023
Sao Tome and Principe
937.65 one-year-olds
in 2023
Montenegro rank
146th
Sao Tome and Principe rank
149th
Number of one-year-olds who are not vaccinated against polio over time
- Montenegro
- Sao Tome and Principe
How they compare
Montenegro currently reports 1,400 one-year-olds against 937.65 one-year-olds in Sao Tome and Principe, a difference of 462.35 one-year-olds.
That makes Montenegro's figure about 1.5 times Sao Tome and Principe's.
Across all 18 years both countries report, Montenegro has been ahead every year.
Montenegro ranks 146th and Sao Tome and Principe ranks 149th of 194 countries.
Montenegro has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Montenegro | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 634.35 one-year-olds | 101.42 one-year-olds | 532.93 one-year-olds | Montenegro |
| 2010s | 743.14 one-year-olds | 248.62 one-year-olds | 494.52 one-year-olds | Montenegro |
| 2020s | 1,291 one-year-olds | 597.9 one-year-olds | 693.07 one-year-olds | Montenegro |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who are not vaccinated against polio, Montenegro or Sao Tome and Principe?
- Montenegro, at 1,400 one-year-olds against 937.65 one-year-olds in Sao Tome and Principe as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against polio between Montenegro and Sao Tome and Principe?
- 462.35 one-year-olds, with Montenegro ahead.
- How many years of comparable data are there for Montenegro and Sao Tome and Principe?
- 18 years are reported by both, from 2006 to 2023.
- How do Montenegro and Sao Tome and Principe rank globally for number of one-year-olds who are not vaccinated against polio?
- Montenegro ranks 146th and Sao Tome and Principe ranks 149th 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 Number of one-year-olds who are not vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.