Belgium vs Iran: Share of one-year-olds vaccinated against diphtheria, tetanus
Belgium
98.0%
in 2025
Iran
98.0%
in 2025
Belgium rank
20th
Iran rank
20th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Belgium
- Iran
How they compare
Belgium currently reports 98.0% against 98.0% in Iran, a difference of 0.0%.
The two have swapped places 11 times across 46 shared years of data; in 1980 it was Belgium ahead.
Belgium ranks 20th and Iran ranks 20th of 195 countries.
Across the 5 decades both report, Belgium averaged higher in 1 and Iran in 4.
Head to head by decade
| Decade | Belgium | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 93.4% | 50.3% | 43.1% | Belgium |
| 1990s | 91.5% | 96.4% | 4.9% | Iran |
| 2000s | 96.5% | 98.2% | 1.7% | Iran |
| 2010s | 98.3% | 98.8% | 0.5% | Iran |
| 2020s | 97.8% | 98.5% | 0.7% | Iran |
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, Belgium or Iran?
- Belgium, at 98.0% against 98.0% in Iran as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Belgium and Iran?
- 0.0%, with Belgium ahead.
- How many years of comparable data are there for Belgium and Iran?
- 46 years are reported by both, from 1980 to 2025.
- How do Belgium and Iran rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Belgium ranks 20th and Iran ranks 20th 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.