Chile vs Cook Islands: Share of one-year-olds vaccinated against diphtheria, tetanus
Chile
95.0%
in 2025
Cook Islands
95.0%
in 2025
Chile rank
59th
Cook Islands rank
59th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Chile
- Cook Islands
How they compare
Chile currently reports 95.0% against 95.0% in Cook Islands, a difference of 0.0%.
The two have swapped places 13 times across 46 shared years of data; in 1980 it was Chile ahead.
Chile ranks 59th and Cook Islands ranks 59th of 195 countries.
Across the 5 decades both report, Chile averaged higher in 3 and Cook Islands in 2.
Head to head by decade
| Decade | Chile | Cook Islands | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 95.2% | 67.3% | 27.9% | Chile |
| 1990s | 92.3% | 89.8% | 2.5% | Chile |
| 2000s | 94.4% | 95.2% | 0.8% | Cook Islands |
| 2010s | 93.7% | 98.1% | 4.4% | Cook Islands |
| 2020s | 95.0% | 83.0% | 12.0% | Chile |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against diphtheria, tetanus and pertussis, Chile or Cook Islands?
- Chile, at 95.0% against 95.0% in Cook Islands as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Chile and Cook Islands?
- 0.0%, with Chile ahead.
- How many years of comparable data are there for Chile and Cook Islands?
- 46 years are reported by both, from 1980 to 2025.
- How do Chile and Cook Islands rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Chile ranks 59th and Cook Islands ranks 59th of 195 countries.
- Where does this data come from?
- WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.