Poland vs Sierra Leone: Number of one-year-olds who are not vaccinated against measles
Poland
26,408 one-year-olds
in 2023
Sierra Leone
23,549 one-year-olds
in 2023
Poland rank
74th
Sierra Leone rank
76th
Number of one-year-olds who are not vaccinated against measles over time
- Poland
- Sierra Leone
How they compare
Poland currently reports 26,408 one-year-olds against 23,549 one-year-olds in Sierra Leone, a difference of 2,859 one-year-olds.
That makes Poland's figure about 1.1 times Sierra Leone's.
The two have swapped places 1 time across 25 shared years of data; in 1999 it was Sierra Leone ahead.
Poland ranks 74th and Sierra Leone ranks 76th of 194 countries.
Across the 4 decades both report, Poland averaged higher in 1 and Sierra Leone in 3.
Head to head by decade
| Decade | Poland | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 12,013 one-year-olds | 60,130 one-year-olds | 48,117 one-year-olds | Sierra Leone |
| 2000s | 8,501 one-year-olds | 65,400 one-year-olds | 56,899 one-year-olds | Sierra Leone |
| 2010s | 15,057 one-year-olds | 34,893 one-year-olds | 19,836 one-year-olds | Sierra Leone |
| 2020s | 30,420 one-year-olds | 26,742 one-year-olds | 3,677 one-year-olds | Poland |
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 measles, Poland or Sierra Leone?
- Poland, at 26,408 one-year-olds against 23,549 one-year-olds in Sierra Leone as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against measles between Poland and Sierra Leone?
- 2,859 one-year-olds, with Poland ahead.
- How many years of comparable data are there for Poland and Sierra Leone?
- 25 years are reported by both, from 1999 to 2023.
- How do Poland and Sierra Leone rank globally for number of one-year-olds who are not vaccinated against measles?
- Poland ranks 74th and Sierra Leone ranks 76th 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 measles. 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 first dose of the measles vaccine in a given year.