Pertussis - number of reported cases in Hong Kong
Hong Kong: Pertussis - number of reported cases was 7 in 2025. ◆ Volatile
Latest (2025)
7
Change on year
down 81.6%
World rank
116th
of 210 countries
All-time high
110
in 2018
All-time low
0
in 1974
Years of data
48
1974–2025
Pertussis - number of reported cases in Hong Kong, 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
Hong Kong recorded 7 for pertussis - number of reported cases 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 in Hong Kong peaked at 110 in 2018 and was at its lowest, 0, in 1974.
That places Hong Kong 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 in Hong Kong, 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% |
| 2003 | 5 | -66.7% |
| 2007 | 31 | +520.0% |
| 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 | 17.17 | 5 | 31 | 6 |
| 2010s | 45.4 | 5 | 110 | 10 |
| 2020s | 14.5 | 2 | 38 | 6 |
Countries ranked near Hong Kong
More health data for Hong Kong
- 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)
- Un projection of annual infant deaths 2 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -2.73 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0137 units per person (2025)
- Population ages 00-04, male, annual growth rate -2.11 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.0148 units per person (2025)
Frequently asked questions
- What is pertussis - number of reported cases in Hong Kong?
- Pertussis - number of reported cases in Hong Kong was 7 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest pertussis - number of reported cases recorded in Hong Kong?
- The highest recorded value was 110 in 2018.
- What is the lowest pertussis - number of reported cases recorded in Hong Kong?
- The lowest recorded value was 0 in 1974.
- How does Hong Kong rank for pertussis - number of reported cases?
- Hong Kong ranks 116th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases rising or falling in Hong Kong?
- 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 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 — 48 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).