Pertussis - number of reported cases, gaps filled in Madagascar
Madagascar: Pertussis - number of reported cases, gaps filled was 177 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Madagascar, 1976–2025
Source: Statizoid (derived).
Analysis
In 2025, pertussis - number of reported cases, gaps filled in Madagascar stood at 177.
The figure is up 56.6% on the previous year and down 57.1% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in Madagascar peaked at 44,062 in 1979 and was at its lowest, 0, in 2006.
That places Madagascar 64th out of 210 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases, gaps filled in Madagascar, year by year
| Year | Value | Change |
|---|---|---|
| 1976 | 10,389 | — |
| 1977 | 35,610 | +242.8% |
| 1978 | 37,268 | +4.7% |
| 1979 | 44,062 | +18.2% |
| 1980 | 32,457 | -26.3% |
| 1981 | 31,592 | -2.7% |
| 1982 | 43,365 | +37.3% |
| 1983 | 20,891 | -51.8% |
| 1984 | 9,958 | -52.3% |
| 1985 | 12,515 | +25.7% |
| 1986 | 5,449 | -56.5% |
| 1987 | 4,436 | -18.6% |
| 1988 | 2,426 | -45.3% |
| 1989 | 1,689 | -30.4% |
| 1990 | 1,333 | -21.1% |
| 1995 | 1,565 | +17.4% |
| 1996 | 1,263 | -19.3% |
| 1997 | 807 | -36.1% |
| 1998 | 1,168 | +44.7% |
| 1999 | 3,244 | +177.7% |
| 2000 | 3,880 | +19.6% |
| 2001 | 104 | -97.3% |
| 2002 | 2,428 | +2234.6% |
| 2003 | 8,021 | +230.4% |
| 2004 | 2,974 | -62.9% |
| 2005 | 1,487 | -50.0% |
| 2006 | 0 | -100.0% |
| 2007 | 0 | — |
| 2008 | 127.5 | — |
| 2009 | 255 | +100.0% |
| 2010 | 0 | -100.0% |
| 2011 | 369 | — |
| 2012 | 33 | -91.1% |
| 2013 | 19 | -42.4% |
| 2014 | 216 | +1036.8% |
| 2015 | 413 | +91.2% |
| 2016 | 321 | -22.3% |
| 2017 | 0 | -100.0% |
| 2018 | 180 | — |
| 2019 | 229 | +27.2% |
| 2020 | 0 | -100.0% |
| 2021 | 114 | — |
| 2022 | 377 | +230.7% |
| 2023 | 123 | -67.4% |
| 2024 | 113 | -8.1% |
| 2025 | 177 | +56.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 31,832 | 10,389 | 44,062 | 4 |
| 1980s | 16,478 | 1,689 | 43,365 | 10 |
| 1990s | 1,563 | 807 | 3,244 | 6 |
| 2000s | 1,928 | 0 | 8,021 | 10 |
| 2010s | 178 | 0 | 413 | 10 |
| 2020s | 150.67 | 0 | 377 | 6 |
Countries ranked near Madagascar
More health data for Madagascar
- Un projection of annual infant deaths, annual growth rate -1.87 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.4912 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 920.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 14,569 deaths (2100)
- Population ages 80 and above, female, per capita 0.0021 units per person (2025)
- Population ages 80 and above, male, annual growth rate 2.52 % 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 0.0016 units per person (2025)
- Pertussis - number of reported cases, per capita 0 units per person (2025)
- Total tetanus - number of reported cases, gaps filled 128 (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in Madagascar?
- Pertussis - number of reported cases, gaps filled in Madagascar was 177 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Madagascar?
- The highest recorded value was 44,062 in 1979.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Madagascar?
- The lowest recorded value was 0 in 2006.
- How does Madagascar rank for pertussis - number of reported cases, gaps filled?
- Madagascar ranks 64th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases, gaps filled rising or falling in Madagascar?
- Over the last ten years it is down 57.1%. The long-run trend across the full record is volatile.
- Where does this Madagascar data come from?
- The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 46 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
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
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.