Pertussis - number of reported cases, gaps filled in South-East Asia (WHO region)
South-East Asia (WHO region): Pertussis - number of reported cases, gaps filled was 2,449 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in South-East Asia (WHO region), 1980–2025
Source: Statizoid (derived).
Analysis
The most recent figure for pertussis - number of reported cases, gaps filled in South-East Asia (WHO region) is 2,449, measured in 2025.
That represents a change of down 68.0% on the previous year and down 91.8% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in South-East Asia (WHO region) 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, gaps filled in South-East Asia (WHO region), 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, gaps filled in South-East Asia (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 |
|---|---|---|---|
| 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 South-East Asia (WHO region)
More health data for South-East Asia (WHO region)
- Diphtheria - number of reported cases, gaps filled 3,416 (2025)
- Measles - number of reported cases, gaps filled 19,075 (2025)
- Total tetanus - number of reported cases, gaps filled 164 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 84 (2025)
- Number of neonatal deaths, annual growth rate -4.57 % change on previous year (2024)
- Number of infant deaths, annual growth rate -4.21 % change on previous year (2024)
- Number of under-five deaths, annual growth rate -4.64 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate -30.44 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -67.98 % change on previous year (2025)
- Total tetanus - number of reported cases, annual growth rate 17.14 % change on previous year (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in South-East Asia (WHO region)?
- Pertussis - number of reported cases, gaps filled in South-East Asia (WHO region) was 2,449 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in South-East Asia (WHO region)?
- The highest recorded value was 411,811 in 1981.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in South-East Asia (WHO region)?
- The lowest recorded value was 593 in 2021.
- How does South-East Asia (WHO region) rank for pertussis - number of reported cases, gaps filled?
- South-East Asia (WHO region) ranks 11th out of 11 groups with data for 2025.
- Is pertussis - number of reported cases, gaps filled rising or falling in South-East Asia (WHO region)?
- Over the last ten years it is down 91.8%. The long-run trend across the full record is volatile.
- Where does this South-East Asia (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.