South Africa vs Viet Nam: Number of one-year-olds who have not received the inactivated polio vaccine
South Africa
227,750 one-year-olds
in 2023
Viet Nam
212,288 one-year-olds
in 2023
South Africa rank
20th
Viet Nam rank
23rd
Number of one-year-olds who have not received the inactivated polio vaccine over time
- South Africa
- Viet Nam
How they compare
South Africa currently reports 227,750 one-year-olds against 212,288 one-year-olds in Viet Nam, a difference of 15,462 one-year-olds.
That makes South Africa's figure about 1.1 times Viet Nam's.
The two have swapped places 1 time across 6 shared years of data; in 2018 it was Viet Nam ahead.
South Africa ranks 20th and Viet Nam ranks 23rd of 194 countries.
Viet Nam has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | South Africa | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 160,779 one-year-olds | 846,474 one-year-olds | 685,695 one-year-olds | Viet Nam |
| 2020s | 172,001 one-year-olds | 210,784 one-year-olds | 38,782 one-year-olds | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who have not received the inactivated polio vaccine, South Africa or Viet Nam?
- South Africa, at 227,750 one-year-olds against 212,288 one-year-olds in Viet Nam as of 2023.
- What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between South Africa and Viet Nam?
- 15,462 one-year-olds, with South Africa ahead.
- How many years of comparable data are there for South Africa and Viet Nam?
- 6 years are reported by both, from 2018 to 2023.
- How do South Africa and Viet Nam rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
- South Africa ranks 20th and Viet Nam ranks 23rd 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 have not received the inactivated polio vaccine. 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 first dose of the inactivated polio vaccine in a given year.