Chad vs Viet Nam: Diphtheria - number of reported cases, gaps filled
Chad
4
in 2025
Viet Nam
3
in 2025
Chad rank
41st
Viet Nam rank
44th
Diphtheria - number of reported cases, gaps filled over time
- Chad
- Viet Nam
How they compare
Chad currently reports 4 against 3 in Viet Nam, a difference of 1.
That makes Chad's figure about 1.3 times Viet Nam's.
The two have swapped places 1 time across 17 shared years of data; in 1974 it was Viet Nam ahead.
Chad ranks 41st and Viet Nam ranks 44th of 210 countries.
Across the 4 decades both report, Chad averaged higher in 1 and Viet Nam in 3.
Head to head by decade
| Decade | Chad | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2.33 | 1,598 | 1,595 | Viet Nam |
| 1980s | 2.71 | 2,507 | 2,504 | Viet Nam |
| 1990s | 0 | 152 | 152 | Viet Nam |
| 2020s | 1,091 | 23.33 | 1,068 | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher diphtheria - number of reported cases, gaps filled, Chad or Viet Nam?
- Chad, at 4 against 3 in Viet Nam as of 2025.
- What is the difference in diphtheria - number of reported cases, gaps filled between Chad and Viet Nam?
- 1, with Chad ahead.
- How many years of comparable data are there for Chad and Viet Nam?
- 17 years are reported by both, from 1974 to 2025.
- How do Chad and Viet Nam rank globally for diphtheria - number of reported cases, gaps filled?
- Chad ranks 41st and Viet Nam ranks 44th of 210 countries.
- Where does this data come from?
- Statizoid (derived), published as Diphtheria - number of reported cases, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Diphtheria - number of reported cases with 613 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.