Pertussis - number of reported cases in Western Pacific (WHO region)
Western Pacific (WHO region): Pertussis - number of reported cases was 159,013 in 2025. ◆ Volatile
Pertussis - number of reported cases in Western Pacific (WHO region), 1980–2025
Source: World Health Organization, Global Health Observatory.
Analysis
In 2025, pertussis - number of reported cases in Western Pacific (WHO region) stood at 159,013.
That represents a change of down 73.2% on the previous year and up 359.3% over ten years.
Over the whole period, pertussis - number of reported cases in Western Pacific (WHO region) peaked at 862,172 in 1980 and was at its lowest, 6,634, in 2007.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases in Western Pacific (WHO region), year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 862,172 | — |
| 1981 | 693,364 | -19.6% |
| 1982 | 587,764 | -15.2% |
| 1983 | 464,886 | -20.9% |
| 1984 | 322,839 | -30.6% |
| 1985 | 245,875 | -23.8% |
| 1986 | 160,714 | -34.6% |
| 1987 | 109,511 | -31.9% |
| 1988 | 99,295 | -9.3% |
| 1989 | 98,292 | -1.0% |
| 1990 | 65,667 | -33.2% |
| 1991 | 40,280 | -38.7% |
| 1992 | 40,889 | +1.5% |
| 1993 | 32,537 | -20.4% |
| 1994 | 31,934 | -1.9% |
| 1995 | 23,835 | -25.4% |
| 1996 | 17,050 | -28.5% |
| 1997 | 32,887 | +92.9% |
| 1998 | 15,875 | -51.7% |
| 1999 | 18,234 | +14.9% |
| 2000 | 25,424 | +39.4% |
| 2001 | 33,207 | +30.6% |
| 2002 | 32,795 | -1.2% |
| 2003 | 15,712 | -52.1% |
| 2004 | 22,653 | +44.2% |
| 2005 | 30,457 | +34.5% |
| 2006 | 12,520 | -58.9% |
| 2007 | 6,634 | -47.0% |
| 2008 | 25,245 | +280.5% |
| 2009 | 41,642 | +65.0% |
| 2010 | 47,477 | +14.0% |
| 2011 | 54,030 | +13.8% |
| 2012 | 43,237 | -20.0% |
| 2013 | 25,666 | -40.6% |
| 2014 | 21,167 | -17.5% |
| 2015 | 34,622 | +63.6% |
| 2016 | 31,312 | -9.6% |
| 2017 | 28,667 | -8.4% |
| 2018 | 53,362 | +86.1% |
| 2019 | 63,510 | +19.0% |
| 2020 | 11,599 | -81.7% |
| 2021 | 11,140 | -4.0% |
| 2022 | 39,392 | +253.6% |
| 2023 | 49,406 | +25.4% |
| 2024 | 593,659 | +1101.6% |
| 2025 | 159,013 | -73.2% |
Biggest year-on-year movements
Years where Pertussis - number of reported cases in Western Pacific (WHO region) 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 |
|---|---|---|---|
| 2024 | +1101.6% | 49,406 | 593,659 |
| 2008 | +280.5% | 6,634 | 25,245 |
| 2022 | +253.6% | 11,140 | 39,392 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 364,471 | 98,292 | 862,172 | 10 |
| 1990s | 31,919 | 15,875 | 65,667 | 10 |
| 2000s | 24,629 | 6,634 | 41,642 | 10 |
| 2010s | 40,305 | 21,167 | 63,510 | 10 |
| 2020s | 144,035 | 11,140 | 593,659 | 6 |
Countries ranked near Western Pacific (WHO region)
More health data for Western Pacific (WHO region)
- Measles - number of reported cases, gaps filled 78,782 (2025)
- Pertussis - number of reported cases, gaps filled 159,013 (2025)
- Diphtheria - number of reported cases, gaps filled 428 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 214 (2025)
- Total tetanus - number of reported cases, gaps filled 5,464 (2025)
- Number of under-five deaths, annual growth rate -5.73 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -4.28 % change on previous year (2024)
- Number of infant deaths, annual growth rate -4.75 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate 228.55 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -73.21 % change on previous year (2025)
Frequently asked questions
- What is pertussis - number of reported cases in Western Pacific (WHO region)?
- Pertussis - number of reported cases in Western Pacific (WHO region) was 159,013 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest pertussis - number of reported cases recorded in Western Pacific (WHO region)?
- The highest recorded value was 862,172 in 1980.
- What is the lowest pertussis - number of reported cases recorded in Western Pacific (WHO region)?
- The lowest recorded value was 6,634 in 2007.
- How does Western Pacific (WHO region) rank for pertussis - number of reported cases?
- Western Pacific (WHO region) ranks 3rd out of 17 groups with data for 2025.
- Is pertussis - number of reported cases rising or falling in Western Pacific (WHO region)?
- Over the last ten years it is up 359.3%. The long-run trend across the full record is volatile.
- Where does this Western Pacific (WHO region) 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.
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