Pertussis - number of reported cases, annual growth rate in Chad
Chad: Pertussis - number of reported cases, annual growth rate was 7.28 % change on previous year in 1998. ◆ Volatile
Pertussis - number of reported cases, annual growth rate in Chad, 1975–1998
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 1998, pertussis - number of reported cases, annual growth rate in Chad stood at 7.28 % change on previous year.
That represents a change of down 26.3% on the previous year and down 86.5% over ten years.
Over the whole period, pertussis - number of reported cases, annual growth rate in Chad peaked at 738.1 % change on previous year in 1983 and was at its lowest, -60.1 % change on previous year, in 1978.
That places Chad 31st out of 191 countries with data for 1998, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases, annual growth rate in Chad, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1975 | 51.31 % change on previous year | — |
| 1976 | 44.24 % change on previous year | -13.8% |
| 1977 | -50.58 % change on previous year | -214.3% |
| 1978 | -60.1 % change on previous year | +18.8% |
| 1983 | 738.1 % change on previous year | -1328.1% |
| 1984 | 10.66 % change on previous year | -98.6% |
| 1985 | -40.92 % change on previous year | -483.7% |
| 1986 | 53.94 % change on previous year | -231.8% |
| 1996 | -12.9 % change on previous year | -123.9% |
| 1997 | 9.87 % change on previous year | -176.5% |
| 1998 | 7.28 % change on previous year | -26.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | -3.78 % change on previous year | -60.1 % change on previous year | 51.31 % change on previous year | 4 |
| 1980s | 190.45 % change on previous year | -40.92 % change on previous year | 738.1 % change on previous year | 4 |
| 1990s | 1.42 % change on previous year | -12.9 % change on previous year | 9.87 % change on previous year | 3 |
Countries ranked near Chad
- 28 Myanmar 17.86 % change on previous year compare
- 29 Paraguay 16.67 % change on previous year compare
- 30 Israel 8.82 % change on previous year compare
- 32 United Arab Emirates 5.41 % change on previous year compare
- 33 Burkina Faso 0 % change on previous year compare
- 33 Guam 0 % change on previous year compare
- 33 Mozambique 0 % change on previous year 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)
- 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)
- Population ages 80 and above, female, per capita 0.0013 units per person (2025)
- Population ages 80 and above, male, annual growth rate -0.4188 % change on previous year (2025)
- Population ages 80 and above, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 80 and above, male, per capita 0.0009 units per person (2025)
- Pertussis - number of reported cases, gaps filled 5,898 (1998)
- Pertussis - number of reported cases, per capita 0.0007 units per person (1998)
Frequently asked questions
- What is pertussis - number of reported cases, annual growth rate in Chad?
- Pertussis - number of reported cases, annual growth rate in Chad was 7.28 % change on previous year in 1998, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, annual growth rate recorded in Chad?
- The highest recorded value was 738.1 % change on previous year in 1983.
- What is the lowest pertussis - number of reported cases, annual growth rate recorded in Chad?
- The lowest recorded value was -60.1 % change on previous year in 1978.
- How does Chad rank for pertussis - number of reported cases, annual growth rate?
- Chad ranks 31st out of 191 countries with data for 1998.
- Is pertussis - number of reported cases, annual growth rate rising or falling in Chad?
- Over the last ten years it is down 86.5%. The long-run trend across the full record is volatile.
- Where does this Chad data come from?
- The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 11 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Pertussis - number of reported cases World Health Organization, Global Health Observatory
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
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.