Azerbaijan vs Colombia: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Azerbaijan
63,643 one-year-olds
in 2023
Colombia
70,990 one-year-olds
in 2023
Azerbaijan rank
49th
Colombia rank
47th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Azerbaijan
- Colombia
How they compare
Colombia currently reports 70,990 one-year-olds against 63,643 one-year-olds in Azerbaijan, a difference of 7,347 one-year-olds.
That makes Colombia's figure about 1.1 times Azerbaijan's.
Across all 32 years both countries report, Colombia has been ahead every year.
Azerbaijan ranks 49th and Colombia ranks 47th of 194 countries.
Colombia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Azerbaijan | Colombia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 49,094 one-year-olds | 161,009 one-year-olds | 111,915 one-year-olds | Colombia |
| 2000s | 29,130 one-year-olds | 96,315 one-year-olds | 67,186 one-year-olds | Colombia |
| 2010s | 36,630 one-year-olds | 67,802 one-year-olds | 31,172 one-year-olds | Colombia |
| 2020s | 66,584 one-year-olds | 85,194 one-year-olds | 18,611 one-year-olds | Colombia |
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 diphtheria, pertussis and tetanus, Azerbaijan or Colombia?
- Colombia, at 70,990 one-year-olds against 63,643 one-year-olds in Azerbaijan as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Azerbaijan and Colombia?
- 7,347 one-year-olds, with Colombia ahead.
- How many years of comparable data are there for Azerbaijan and Colombia?
- 32 years are reported by both, from 1992 to 2023.
- How do Azerbaijan and Colombia rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Azerbaijan ranks 49th and Colombia ranks 47th 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 diphtheria, pertussis and tetanus. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.