Chad vs China: Pertussis - number of reported cases, per square kilometre
Chad
0.0047 units per square kilometre
in 1998
China
0.0044 units per square kilometre
in 2023
Chad rank
29th
China rank
31st
Pertussis - number of reported cases, per square kilometre over time
- Chad
- China
How they compare
Chad currently reports 0.0047 units per square kilometre against 0.0044 units per square kilometre in China, a difference of 0.0003 units per square kilometre.
That makes Chad's figure about 1.1 times China's.
The two have swapped places 1 time across 13 shared years of data; in 1974 it was China ahead.
Chad ranks 29th and China ranks 31st of 204 countries.
Across the 3 decades both report, Chad averaged higher in 1 and China in 2.
Head to head by decade
| Decade | Chad | China | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0.0054 units per square kilometre | 0.1599 units per square kilometre | 0.1545 units per square kilometre | China |
| 1980s | 0.0014 units per square kilometre | 0.0256 units per square kilometre | 0.0242 units per square kilometre | China |
| 1990s | 0.0045 units per square kilometre | 0.0008 units per square kilometre | 0.0038 units per square kilometre | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, per square kilometre, Chad or China?
- Chad, at 0.0047 units per square kilometre against 0.0044 units per square kilometre in China as of 1998.
- What is the difference in pertussis - number of reported cases, per square kilometre between Chad and China?
- 0.0003 units per square kilometre, with Chad ahead.
- How many years of comparable data are there for Chad and China?
- 13 years are reported by both, from 1974 to 1998.
- How do Chad and China rank globally for pertussis - number of reported cases, per square kilometre?
- Chad ranks 29th and China ranks 31st of 204 countries.
- Where does this data come from?
- Statizoid (derived), published as Pertussis - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Pertussis - number of reported cases 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.