Viet Nam vs Yemen: Number of one-year-olds who are not vaccinated against polio
Viet Nam
566,102 one-year-olds
in 2023
Yemen
697,470 one-year-olds
in 2023
Viet Nam rank
9th
Yemen rank
8th
Number of one-year-olds who are not vaccinated against polio over time
- Viet Nam
- Yemen
How they compare
Yemen currently reports 697,470 one-year-olds against 566,102 one-year-olds in Viet Nam, a difference of 131,368 one-year-olds.
That makes Yemen's figure about 1.2 times Viet Nam's.
The two have swapped places 1 time across 41 shared years of data; in 1983 it was Viet Nam ahead.
Viet Nam ranks 9th 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 | 1.05 million one-year-olds | 413,202 one-year-olds | 641,005 one-year-olds | Viet Nam |
| 1990s | 135,973 one-year-olds | 311,870 one-year-olds | 175,897 one-year-olds | Yemen |
| 2000s | 75,667 one-year-olds | 208,599 one-year-olds | 132,932 one-year-olds | Yemen |
| 2010s | 92,492 one-year-olds | 351,214 one-year-olds | 258,722 one-year-olds | Yemen |
| 2020s | 393,820 one-year-olds | 570,987 one-year-olds | 177,167 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 polio, Viet Nam or Yemen?
- Yemen, at 697,470 one-year-olds against 566,102 one-year-olds in Viet Nam as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against polio between Viet Nam and Yemen?
- 131,368 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 polio?
- Viet Nam ranks 9th 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 polio. 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 the third dose of either the oral or inactivated polio vaccine in a given year.