Pertussis - number of reported cases, gaps filled in Western Pacific (WHO region)
Western Pacific (WHO region): Pertussis - number of reported cases, gaps filled was 159,013 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Western Pacific (WHO region), 1980–2025
Source: Statizoid (derived).
Analysis
Western Pacific (WHO region) recorded 159,013 for pertussis - number of reported cases, gaps filled in 2025.
The figure is down 73.2% on the previous year and up 359.3% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled 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, gaps filled 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% |
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)
- Total tetanus - number of reported cases, gaps filled 5,464 (2025)
- Diphtheria - number of reported cases, gaps filled 428 (2025)
- 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)
- Total tetanus - number of reported cases, annual growth rate 10.81 % change on previous year (2025)
- Pertussis - number of reported cases 159,013 (2025)
- Total tetanus - number of reported cases 5,464 (2025)
- Measles - number of reported cases 78,782 (2025)
- Diphtheria - number of reported cases 428 (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in Western Pacific (WHO region)?
- Pertussis - number of reported cases, gaps filled in Western Pacific (WHO region) was 159,013 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Western Pacific (WHO region)?
- The highest recorded value was 862,172 in 1980.
- What is the lowest pertussis - number of reported cases, gaps filled 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, gaps filled?
- Western Pacific (WHO region) ranks 3rd out of 11 groups with data for 2025.
- Is pertussis - number of reported cases, gaps filled 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 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.