Australia vs Sierra Leone: Number of one-year-olds who are not vaccinated against measles
Australia
27,596 one-year-olds
in 2023
Sierra Leone
23,549 one-year-olds
in 2023
Australia rank
73rd
Sierra Leone rank
76th
Number of one-year-olds who are not vaccinated against measles over time
- Australia
- Sierra Leone
How they compare
Australia currently reports 27,596 one-year-olds against 23,549 one-year-olds in Sierra Leone, a difference of 4,047 one-year-olds.
That makes Australia's figure about 1.2 times Sierra Leone's.
The two have swapped places 3 times across 25 shared years of data; in 1999 it was Sierra Leone ahead.
Australia ranks 73rd and Sierra Leone ranks 76th of 194 countries.
Sierra Leone has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Australia | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 30,444 one-year-olds | 60,130 one-year-olds | 29,686 one-year-olds | Sierra Leone |
| 2000s | 17,083 one-year-olds | 65,400 one-year-olds | 48,318 one-year-olds | Sierra Leone |
| 2010s | 17,779 one-year-olds | 34,893 one-year-olds | 17,114 one-year-olds | Sierra Leone |
| 2020s | 20,496 one-year-olds | 26,742 one-year-olds | 6,246 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 measles, Australia or Sierra Leone?
- Australia, at 27,596 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 Australia and Sierra Leone?
- 4,047 one-year-olds, with Australia ahead.
- How many years of comparable data are there for Australia and Sierra Leone?
- 25 years are reported by both, from 1999 to 2023.
- How do Australia and Sierra Leone rank globally for number of one-year-olds who are not vaccinated against measles?
- Australia ranks 73rd 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.