Diphtheria - number of reported cases in Chad
Chad: Diphtheria - number of reported cases was 4 in 2025. ◆ Volatile
Latest (2025)
4
Change on year
down 99.8%
World rank
41st
of 210 countries
All-time high
2,599
in 2024
All-time low
0
in 1978
Years of data
14
1974–2025
Diphtheria - number of reported cases in Chad, 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for diphtheria - number of reported cases in Chad is 4, measured in 2025.
That represents a change of down 99.8% on the previous year.
Over the whole period, diphtheria - number of reported cases in Chad peaked at 2,599 in 2024 and was at its lowest, 0, in 1978.
Chad ranks 41st of 210 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases in Chad, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 5 | — |
| 1975 | 3 | -40.0% |
| 1976 | 1 | -66.7% |
| 1977 | 5 | +400.0% |
| 1978 | 0 | -100.0% |
| 1982 | 0 | — |
| 1983 | 1 | — |
| 1984 | 4 | +300.0% |
| 1985 | 10 | +150.0% |
| 1986 | 4 | -60.0% |
| 1997 | 0 | -100.0% |
| 2023 | 671 | — |
| 2024 | 2,599 | +287.3% |
| 2025 | 4 | -99.8% |
Chad compared with similar countries
- Chad's 4 is above the median for low income countries, which is 2, 2.0× the median. (25 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 2.8 | 0 | 5 | 5 |
| 1980s | 3.8 | 0 | 10 | 5 |
| 1990s | 0 | 0 | 0 | 1 |
| 2020s | 1,091 | 4 | 2,599 | 3 |
Countries ranked near Chad
More health data for Chad
- Un projection of annual infant deaths, annual growth rate -0.9964 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6578 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,071 deaths per 1,000 people (2090)
- Number of infants who die before age 1 41,435 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 245 (2025)
- Population ages 00-04, female, annual growth rate 3.76 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0898 units per person (2025)
- Population ages 00-04, male, annual growth rate 3.77 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is diphtheria - number of reported cases in Chad?
- Diphtheria - number of reported cases in Chad was 4 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest diphtheria - number of reported cases recorded in Chad?
- The highest recorded value was 2,599 in 2024.
- What is the lowest diphtheria - number of reported cases recorded in Chad?
- The lowest recorded value was 0 in 1978.
- How does Chad rank for diphtheria - number of reported cases?
- Chad ranks 41st out of 210 countries with data for 2025.
- Where does this Chad data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Diphtheria - number of reported cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 14 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).