Iran vs Saudi Arabia: Share of one-year-olds vaccinated against diphtheria, tetanus
Iran
98.0%
in 2025
Saudi Arabia
98.0%
in 2025
Iran rank
20th
Saudi Arabia rank
20th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Iran
- Saudi Arabia
How they compare
Iran currently reports 98.0% against 98.0% in Saudi Arabia, a difference of 0.0%.
The two have swapped places 12 times across 46 shared years of data; in 1980 it was Saudi Arabia ahead.
Iran ranks 20th and Saudi Arabia ranks 20th of 195 countries.
Across the 5 decades both report, Iran averaged higher in 4 and Saudi Arabia in 1.
Head to head by decade
| Decade | Iran | Saudi Arabia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 50.3% | 74.0% | 23.7% | Saudi Arabia |
| 1990s | 96.4% | 93.1% | 3.3% | Iran |
| 2000s | 98.2% | 96.2% | 2.0% | Iran |
| 2010s | 98.8% | 97.6% | 1.2% | Iran |
| 2020s | 98.5% | 97.0% | 1.5% | 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, Iran or Saudi Arabia?
- Iran, at 98.0% against 98.0% in Saudi Arabia as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Iran and Saudi Arabia?
- 0.0%, with Iran ahead.
- How many years of comparable data are there for Iran and Saudi Arabia?
- 46 years are reported by both, from 1980 to 2025.
- How do Iran and Saudi Arabia rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Iran ranks 20th and Saudi Arabia 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.