Bulgaria vs Sierra Leone: Number of one-year-olds who are not vaccinated against rotavirus
Bulgaria
31,395 one-year-olds
in 2023
Sierra Leone
28,258 one-year-olds
in 2023
Bulgaria rank
52nd
Sierra Leone rank
54th
Number of one-year-olds who are not vaccinated against rotavirus over time
- Bulgaria
- Sierra Leone
How they compare
Bulgaria currently reports 31,395 one-year-olds against 28,258 one-year-olds in Sierra Leone, a difference of 3,137 one-year-olds.
That makes Bulgaria's figure about 1.1 times Sierra Leone's.
The two have swapped places 2 times across 6 shared years of data; in 2018 it was Bulgaria ahead.
Bulgaria ranks 52nd and Sierra Leone ranks 54th of 101 countries.
Across the 2 decades both report, Bulgaria averaged higher in 1 and Sierra Leone in 1.
Head to head by decade
| Decade | Bulgaria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 41,676 one-year-olds | 18,047 one-year-olds | 23,629 one-year-olds | Bulgaria |
| 2020s | 32,269 one-year-olds | 34,325 one-year-olds | 2,056 one-year-olds | Sierra Leone |
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 rotavirus, Bulgaria or Sierra Leone?
- Bulgaria, at 31,395 one-year-olds against 28,258 one-year-olds in Sierra Leone as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against rotavirus between Bulgaria and Sierra Leone?
- 3,137 one-year-olds, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Sierra Leone?
- 6 years are reported by both, from 2018 to 2023.
- How do Bulgaria and Sierra Leone rank globally for number of one-year-olds who are not vaccinated against rotavirus?
- Bulgaria ranks 52nd and Sierra Leone ranks 54th of 101 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 rotavirus. 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 final recommended dose (2nd or 3rd) of the rotavirus vaccine in a given year.