Czechia vs Iran: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Czechia
10,893 one-year-olds
in 2023
Iran
11,990 one-year-olds
in 2023
Czechia rank
98th
Iran rank
95th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Czechia
- Iran
How they compare
Iran currently reports 11,990 one-year-olds against 10,893 one-year-olds in Czechia, a difference of 1,097 one-year-olds.
That makes Iran's figure about 1.1 times Czechia's.
Across all 31 years both countries report, Iran has been ahead every year.
Czechia ranks 98th and Iran ranks 95th of 194 countries.
Iran has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Czechia | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2,374 one-year-olds | 23,784 one-year-olds | 21,410 one-year-olds | Iran |
| 2000s | 1,816 one-year-olds | 19,850 one-year-olds | 18,034 one-year-olds | Iran |
| 2010s | 2,791 one-year-olds | 17,320 one-year-olds | 14,528 one-year-olds | Iran |
| 2020s | 6,893 one-year-olds | 15,644 one-year-olds | 8,751 one-year-olds | Iran |
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, Czechia or Iran?
- Iran, at 11,990 one-year-olds against 10,893 one-year-olds in Czechia as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Czechia and Iran?
- 1,097 one-year-olds, with Iran ahead.
- How many years of comparable data are there for Czechia and Iran?
- 31 years are reported by both, from 1993 to 2023.
- How do Czechia and Iran rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Czechia ranks 98th and Iran ranks 95th 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.