Diphtheria - number of reported cases, per square kilometre in Chad
Chad: Diphtheria - number of reported cases, per square kilometre was 0.0005 units per square kilometre in 2023. ◆ Volatile
Diphtheria - number of reported cases, per square kilometre in Chad, 1974–2023
Source: Statizoid (derived). Measured in units per square kilometre.
Analysis
In 2023, diphtheria - number of reported cases, per square kilometre in Chad stood at 0.0005 units per square kilometre. That is the highest value across all 12 years on record.
Over the whole period, diphtheria - number of reported cases, per square kilometre in Chad peaked at 0.0005 units per square kilometre in 2023 and was at its lowest, 0 units per square kilometre, in 1978.
That places Chad 9th out of 204 countries with data for 2023, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases, per square kilometre in Chad, year by year
| Year | units per square kilometre | Change |
|---|---|---|
| 1974 | 0 units per square kilometre | — |
| 1975 | 0 units per square kilometre | -40.0% |
| 1976 | 0 units per square kilometre | -66.7% |
| 1977 | 0 units per square kilometre | +400.0% |
| 1978 | 0 units per square kilometre | -100.0% |
| 1982 | 0 units per square kilometre | — |
| 1983 | 0 units per square kilometre | — |
| 1984 | 0 units per square kilometre | +300.0% |
| 1985 | 0 units per square kilometre | +150.0% |
| 1986 | 0 units per square kilometre | -60.0% |
| 1997 | 0 units per square kilometre | -100.0% |
| 2023 | 0.0005 units per square kilometre | — |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0 units per square kilometre | 0 units per square kilometre | 0 units per square kilometre | 5 |
| 1980s | 0 units per square kilometre | 0 units per square kilometre | 0 units per square kilometre | 5 |
| 1990s | 0 units per square kilometre | 0 units per square kilometre | 0 units per square kilometre | 1 |
| 2020s | 0.0005 units per square kilometre | 0.0005 units per square kilometre | 0.0005 units per square kilometre | 1 |
Countries ranked near Chad
- 6 Laos 0.0012 units per square kilometre compare
- 7 Luxembourg 0.0008 units per square kilometre compare
- 8 Switzerland 0.0007 units per square kilometre compare
- 10 Indonesia 0.0005 units per square kilometre compare
- 11 Pakistan 0.0005 units per square kilometre compare
- 12 Belgium 0.0005 units per square kilometre compare
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)
- Un projection of annual infant deaths 41,435 (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)
- Population ages 00-04, male, per capita 0.0924 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, per square kilometre in Chad?
- Diphtheria - number of reported cases, per square kilometre in Chad was 0.0005 units per square kilometre in 2023, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, per square kilometre recorded in Chad?
- The highest recorded value was 0.0005 units per square kilometre in 2023.
- What is the lowest diphtheria - number of reported cases, per square kilometre recorded in Chad?
- The lowest recorded value was 0 units per square kilometre in 1978.
- How does Chad rank for diphtheria - number of reported cases, per square kilometre?
- Chad ranks 9th out of 204 countries with data for 2023.
- Where does this Chad data come from?
- The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 12 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Diphtheria - 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.
Diphtheria - number of reported cases ÷ Land area (sq. km)
Computed from
- Diphtheria - number of reported cases World Health Organization, Global Health Observatory
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Diphtheria - 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.