Pertussis - number of reported cases in SEAR
SEAR: Pertussis - number of reported cases was 2,449 in 2025. ◆ Volatile
Pertussis - number of reported cases in SEAR, 1980–2025
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for pertussis - number of reported cases in SEAR is 2,449, measured in 2025.
Compared with earlier readings it is down 68.0% on the previous year and down 91.8% over ten years.
Over the whole period, pertussis - number of reported cases in SEAR peaked at 411,811 in 1981 and was at its lowest, 593, in 2021.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases in SEAR, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 366,311 | — |
| 1981 | 411,811 | +12.4% |
| 1982 | 378,751 | -8.0% |
| 1983 | 266,905 | -29.5% |
| 1984 | 217,845 | -18.4% |
| 1985 | 223,496 | +2.6% |
| 1986 | 212,144 | -5.1% |
| 1987 | 206,081 | -2.9% |
| 1988 | 168,231 | -18.4% |
| 1989 | 233,899 | +39.0% |
| 1990 | 126,014 | -46.1% |
| 1991 | 90,972 | -27.8% |
| 1992 | 75,520 | -17.0% |
| 1993 | 53,809 | -28.7% |
| 1994 | 41,436 | -23.0% |
| 1995 | 18,715 | -54.8% |
| 1996 | 13,438 | -28.2% |
| 1997 | 35,006 | +160.5% |
| 1998 | 46,666 | +33.3% |
| 1999 | 12,489 | -73.2% |
| 2000 | 38,368 | +207.2% |
| 2001 | 40,838 | +6.4% |
| 2002 | 39,738 | -2.7% |
| 2003 | 39,974 | +0.6% |
| 2004 | 38,730 | -3.1% |
| 2005 | 33,945 | -12.4% |
| 2006 | 31,747 | -6.5% |
| 2007 | 48,926 | +54.1% |
| 2008 | 46,452 | -5.1% |
| 2009 | 62,825 | +35.2% |
| 2010 | 42,826 | -31.8% |
| 2011 | 40,926 | -4.4% |
| 2012 | 45,847 | +12.0% |
| 2013 | 34,626 | -24.5% |
| 2014 | 52,871 | +52.7% |
| 2015 | 29,813 | -43.6% |
| 2016 | 42,315 | +41.9% |
| 2017 | 32,933 | -22.2% |
| 2018 | 17,492 | -46.9% |
| 2019 | 12,030 | -31.2% |
| 2020 | 12,676 | +5.4% |
| 2021 | 593 | -95.3% |
| 2022 | 9,200 | +1451.4% |
| 2023 | 9,945 | +8.1% |
| 2024 | 7,649 | -23.1% |
| 2025 | 2,449 | -68.0% |
Biggest year-on-year movements
Years where Pertussis - number of reported cases in SEAR changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2022 | +1451.4% | 593 | 9,200 |
| 2000 | +207.2% | 12,489 | 38,368 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 268,547 | 168,231 | 411,811 | 10 |
| 1990s | 51,406 | 12,489 | 126,014 | 10 |
| 2000s | 42,154 | 31,747 | 62,825 | 10 |
| 2010s | 35,168 | 12,030 | 52,871 | 10 |
| 2020s | 7,085 | 593 | 12,676 | 6 |
Countries ranked near SEAR
More health data for SEAR
- Total tetanus - number of reported cases 164 (2025)
- Infant mortality rate (probability of dying between birth and age 1) 23.13 (2024)
- Under-five mortality rate 26.66 (2024)
- Maternal mortality ratio 96.26 (2023)
- Number of deaths among adolescents 67,025 (2024)
- Mortality rate among children ages 5 to 9 years 1.94 (2024)
- Number of deaths among children ages 5 to 9 years 57,932 (2024)
- Population with primary reliance on polluting fuels and technologies 493.79 (2023)
- Population with primary reliance on clean fuels and technologies for 763.07 (2023)
- Proportion of population with primary reliance on polluting fuels and 39.3% (2023)
Frequently asked questions
- What is pertussis - number of reported cases in SEAR?
- Pertussis - number of reported cases in SEAR was 2,449 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest pertussis - number of reported cases recorded in SEAR?
- The highest recorded value was 411,811 in 1981.
- What is the lowest pertussis - number of reported cases recorded in SEAR?
- The lowest recorded value was 593 in 2021.
- How does SEAR rank for pertussis - number of reported cases?
- SEAR ranks 16th out of 17 groups with data for 2025.
- Is pertussis - number of reported cases rising or falling in SEAR?
- Over the last ten years it is down 91.8%. The long-run trend across the full record is volatile.
- Where does this SEAR data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Pertussis - number of reported cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 46 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).