Chad vs Lower-middle income (World Bank): Pertussis - number of reported cases
Chad
5,898
in 1998
Lower-middle income (World Bank)
7,080
in 2025
Chad rank
9th
Lower-middle income (World Bank) rank
10th
Pertussis - number of reported cases over time
- Chad
- Lower-middle income (World Bank)
How they compare
Lower-middle income (World Bank) currently reports 7,080 against 5,898 in Chad, a difference of 1,182.
That makes Lower-middle income (World Bank)'s figure about 1.2 times Chad's.
Across all 14 years both countries report, Lower-middle income (World Bank) has been ahead every year.
Chad ranks 9th and Lower-middle income (World Bank) ranks 10th of 210 countries.
Lower-middle income (World Bank) has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Chad | Lower-middle income (World Bank) | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6,822 | 551,504 | 544,681 | Lower-middle income (World Bank) |
| 1980s | 1,778 | 543,659 | 541,881 | Lower-middle income (World Bank) |
| 1990s | 5,536 | 47,950 | 42,414 | Lower-middle income (World Bank) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, Chad or Lower-middle income (World Bank)?
- Lower-middle income (World Bank), at 7,080 against 5,898 in Chad as of 2025.
- What is the difference in pertussis - number of reported cases between Chad and Lower-middle income (World Bank)?
- 1,182, with Lower-middle income (World Bank) ahead.
- How many years of comparable data are there for Chad and Lower-middle income (World Bank)?
- 14 years are reported by both, from 1974 to 1998.
- How do Chad and Lower-middle income (World Bank) rank globally for pertussis - number of reported cases?
- Chad ranks 9th and Lower-middle income (World Bank) ranks 10th of 210 countries.
- Where does this data come from?
- World Health Organization, Global Health Observatory, published as Pertussis - number of reported cases. Statizoid refreshes it automatically from the source and publishes the full history for both places.