South Sudan vs Zambia: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
South Sudan
82,239 one-year-olds
in 2023
Zambia
64,198 one-year-olds
in 2023
South Sudan rank
45th
Zambia rank
48th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- South Sudan
- Zambia
How they compare
South Sudan currently reports 82,239 one-year-olds against 64,198 one-year-olds in Zambia, a difference of 18,041 one-year-olds.
That makes South Sudan's figure about 1.3 times Zambia's.
The two have swapped places 2 times across 13 shared years of data; in 2011 it was South Sudan ahead.
South Sudan ranks 45th and Zambia ranks 48th of 194 countries.
South Sudan has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | South Sudan | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 156,688 one-year-olds | 74,712 one-year-olds | 81,976 one-year-olds | South Sudan |
| 2020s | 86,066 one-year-olds | 67,215 one-year-olds | 18,851 one-year-olds | South Sudan |
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, South Sudan or Zambia?
- South Sudan, at 82,239 one-year-olds against 64,198 one-year-olds in Zambia as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between South Sudan and Zambia?
- 18,041 one-year-olds, with South Sudan ahead.
- How many years of comparable data are there for South Sudan and Zambia?
- 13 years are reported by both, from 2011 to 2023.
- How do South Sudan and Zambia rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- South Sudan ranks 45th and Zambia ranks 48th 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.