Pertussis - number of reported cases, gaps filled in Hong Kong, China
Hong Kong, China: Pertussis - number of reported cases, gaps filled was 7 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Hong Kong, China, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for pertussis - number of reported cases, gaps filled in Hong Kong, China is 7, measured in 2025.
That represents a change of down 81.6% on the previous year and down 86.0% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in Hong Kong, China peaked at 110 in 2018 and was at its lowest, 0, in 1974.
That places Hong Kong, China 116th 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 Hong Kong, China, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 0 | — |
| 1975 | 0 | — |
| 1976 | 2 | — |
| 1977 | 1 | -50.0% |
| 1978 | 0 | -100.0% |
| 1979 | 0 | — |
| 1980 | 12 | — |
| 1981 | 2 | -83.3% |
| 1982 | 1 | -50.0% |
| 1983 | 0 | -100.0% |
| 1984 | 18 | — |
| 1985 | 21 | +16.7% |
| 1986 | 1 | -95.2% |
| 1987 | 0 | -100.0% |
| 1988 | 8 | — |
| 1989 | 4 | -50.0% |
| 1990 | 8 | +100.0% |
| 1991 | 0 | -100.0% |
| 1992 | 5 | — |
| 1993 | 5 | +0.0% |
| 1994 | 4 | -20.0% |
| 1995 | 8 | +100.0% |
| 1996 | 9 | +12.5% |
| 1997 | 12 | +33.3% |
| 1998 | 3 | -75.0% |
| 1999 | 5 | +66.7% |
| 2000 | 11 | +120.0% |
| 2001 | 15 | +36.4% |
| 2002 | 10 | -33.3% |
| 2003 | 5 | -50.0% |
| 2004 | 11.5 | +130.0% |
| 2005 | 18 | +56.5% |
| 2006 | 24.5 | +36.1% |
| 2007 | 31 | +26.5% |
| 2008 | 25 | -19.4% |
| 2009 | 16 | -36.0% |
| 2010 | 5 | -68.8% |
| 2011 | 23 | +360.0% |
| 2012 | 20 | -13.0% |
| 2013 | 20 | +0.0% |
| 2014 | 30 | +50.0% |
| 2015 | 50 | +66.7% |
| 2016 | 31 | -38.0% |
| 2017 | 69 | +122.6% |
| 2018 | 110 | +59.4% |
| 2019 | 96 | -12.7% |
| 2020 | 22 | -77.1% |
| 2021 | 2 | -90.9% |
| 2022 | 3 | +50.0% |
| 2023 | 15 | +400.0% |
| 2024 | 38 | +153.3% |
| 2025 | 7 | -81.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.5 | 0 | 2 | 6 |
| 1980s | 6.7 | 0 | 21 | 10 |
| 1990s | 5.9 | 0 | 12 | 10 |
| 2000s | 16.7 | 5 | 31 | 10 |
| 2010s | 45.4 | 5 | 110 | 10 |
| 2020s | 14.5 | 2 | 38 | 6 |
Countries ranked near Hong Kong, China
More health data for Hong Kong, China
- Un projection of annual infant deaths, annual growth rate 0 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.0171 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 2,924 deaths per 1,000 people (2090)
- Number of infants who die before age 1 2 deaths (2100)
- Population ages 50-54, male, annual growth rate -0.7678 % change on previous year (2025)
- Population ages 50-54, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 50-54, male, per capita 0.0318 units per person (2025)
- Population ages 55-59, female, annual growth rate -0.1829 % change on previous year (2025)
- Population ages 55-59, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 55-59, female, per capita 0.0438 units per person (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in Hong Kong, China?
- Pertussis - number of reported cases, gaps filled in Hong Kong, China was 7 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Hong Kong, China?
- The highest recorded value was 110 in 2018.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Hong Kong, China?
- The lowest recorded value was 0 in 1974.
- How does Hong Kong, China rank for pertussis - number of reported cases, gaps filled?
- Hong Kong, China ranks 116th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases, gaps filled rising or falling in Hong Kong, China?
- Over the last ten years it is down 86.0%. The long-run trend across the full record is volatile.
- Where does this Hong Kong, China 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 — 52 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.