Chad vs South Africa: Number of one-year-olds who are not vaccinated against diphtheria
Number of one-year-olds who are not vaccinated against diphtheria over time
- Chad
- South Africa
How they compare
South Africa currently reports 0.2075 one-year-olds per square kilometre against 0.1925 one-year-olds per square kilometre in Chad, a difference of 0.015 one-year-olds per square kilometre.
That makes South Africa's figure about 1.1 times Chad's.
The two have swapped places 6 times across 41 shared years of data; in 1983 it was South Africa ahead.
Chad ranks 76th and South Africa ranks 73rd of 192 countries.
Across the 5 decades both report, Chad averaged higher in 3 and South Africa in 2.
Head to head by decade
| Decade | Chad | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.1527 one-year-olds per square kilometre | 0.2539 one-year-olds per square kilometre | 0.1012 one-year-olds per square kilometre | South Africa |
| 1990s | 0.1854 one-year-olds per square kilometre | 0.2191 one-year-olds per square kilometre | 0.0337 one-year-olds per square kilometre | South Africa |
| 2000s | 0.2486 one-year-olds per square kilometre | 0.1916 one-year-olds per square kilometre | 0.057 one-year-olds per square kilometre | Chad |
| 2010s | 0.2739 one-year-olds per square kilometre | 0.1776 one-year-olds per square kilometre | 0.0964 one-year-olds per square kilometre | Chad |
| 2020s | 0.2081 one-year-olds per square kilometre | 0.1612 one-year-olds per square kilometre | 0.0469 one-year-olds per square kilometre | Chad |
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, Chad or South Africa?
- South Africa, at 0.2075 one-year-olds per square kilometre against 0.1925 one-year-olds per square kilometre in Chad as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Chad and South Africa?
- 0.015 one-year-olds per square kilometre, with South Africa ahead.
- How many years of comparable data are there for Chad and South Africa?
- 41 years are reported by both, from 1983 to 2023.
- How do Chad and South Africa rank globally for number of one-year-olds who are not vaccinated against diphtheria?
- Chad ranks 76th and South Africa ranks 73rd of 192 countries.
- Where does this data come from?
- Statizoid (derived), published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per square kilometre. 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 are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.