Chad vs Poland: Diphtheria - number of reported cases, gaps filled
Chad
4
in 2025
Poland
3
in 2025
Chad rank
41st
Poland rank
44th
Diphtheria - number of reported cases, gaps filled over time
- Chad
- Poland
How they compare
Chad currently reports 4 against 3 in Poland, a difference of 1.
That makes Chad's figure about 1.3 times Poland's.
The two have swapped places 7 times across 17 shared years of data; in 1974 it was Poland ahead.
Chad ranks 41st and Poland ranks 44th of 210 countries.
Chad has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Chad | Poland | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2.33 | 1.67 | 0.6667 | Chad |
| 1980s | 2.71 | 0.2857 | 2.43 | Chad |
| 1990s | 0 | 0 | 0 | — |
| 2020s | 1,091 | 1.67 | 1,090 | 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 Poland?
- Chad, at 4 against 3 in Poland as of 2025.
- What is the difference in diphtheria - number of reported cases, gaps filled between Chad and Poland?
- 1, with Chad ahead.
- How many years of comparable data are there for Chad and Poland?
- 17 years are reported by both, from 1974 to 2025.
- How do Chad and Poland rank globally for diphtheria - number of reported cases, gaps filled?
- Chad ranks 41st and Poland 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.