Sri Lanka vs Tonga: Share of one-year-olds vaccinated against measles
Sri Lanka
99.0%
in 2024
Tonga
99.0%
in 2024
Sri Lanka rank
1st
Tonga rank
1st
Share of one-year-olds vaccinated against measles over time
- Sri Lanka
- Tonga
How they compare
Sri Lanka currently reports 99.0% against 99.0% in Tonga, a difference of 0.0%.
The two have swapped places 8 times across 41 shared years of data; in 1984 it was Tonga ahead.
Sri Lanka ranks 1st and Tonga ranks 1st of 194 countries.
Across the 5 decades both report, Sri Lanka averaged higher in 2 and Tonga in 3.
Head to head by decade
| Decade | Sri Lanka | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 45.3% | 69.0% | 23.7% | Tonga |
| 1990s | 87.0% | 91.5% | 4.5% | Tonga |
| 2000s | 98.3% | 97.1% | 1.2% | Sri Lanka |
| 2010s | 99.0% | 98.5% | 0.5% | Sri Lanka |
| 2020s | 98.0% | 99.0% | 1.0% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against measles, Sri Lanka or Tonga?
- Sri Lanka, at 99.0% against 99.0% in Tonga as of 2024.
- What is the difference in share of one-year-olds vaccinated against measles between Sri Lanka and Tonga?
- 0.0%, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Tonga?
- 41 years are reported by both, from 1984 to 2024.
- How do Sri Lanka and Tonga rank globally for share of one-year-olds vaccinated against measles?
- Sri Lanka ranks 1st and Tonga ranks 1st 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 vaccinated against measles. 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 first dose of the measles vaccine in a given year.