Viet Nam vs Yemen: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Viet Nam
495,339 one-year-olds
in 2023
Yemen
697,470 one-year-olds
in 2023
Viet Nam rank
10th
Yemen rank
8th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Viet Nam
- Yemen
How they compare
Yemen currently reports 697,470 one-year-olds against 495,339 one-year-olds in Viet Nam, a difference of 202,131 one-year-olds.
That makes Yemen's figure about 1.4 times Viet Nam's.
The two have swapped places 7 times across 41 shared years of data; in 1983 it was Viet Nam ahead.
Viet Nam ranks 10th and Yemen ranks 8th of 194 countries.
Across the 5 decades both report, Viet Nam averaged higher in 1 and Yemen in 4.
Head to head by decade
| Decade | Viet Nam | Yemen | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.01 million one-year-olds | 413,202 one-year-olds | 596,220 one-year-olds | Viet Nam |
| 1990s | 139,515 one-year-olds | 311,870 one-year-olds | 172,355 one-year-olds | Yemen |
| 2000s | 94,849 one-year-olds | 208,649 one-year-olds | 113,800 one-year-olds | Yemen |
| 2010s | 171,897 one-year-olds | 356,027 one-year-olds | 184,130 one-year-olds | Yemen |
| 2020s | 241,218 one-year-olds | 570,987 one-year-olds | 329,769 one-year-olds | Yemen |
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, Viet Nam or Yemen?
- Yemen, at 697,470 one-year-olds against 495,339 one-year-olds in Viet Nam as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Viet Nam and Yemen?
- 202,131 one-year-olds, with Yemen ahead.
- How many years of comparable data are there for Viet Nam and Yemen?
- 41 years are reported by both, from 1983 to 2023.
- How do Viet Nam and Yemen rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Viet Nam ranks 10th and Yemen ranks 8th 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.