Pertussis - number of reported cases, annual growth rate in Hong Kong, China
Hong Kong, China: Pertussis - number of reported cases, annual growth rate was -81.58 % change on previous year in 2025. ◆ Volatile
Pertussis - number of reported cases, annual growth rate in Hong Kong, China, 1977–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 2025, pertussis - number of reported cases, annual growth rate in Hong Kong, China stood at -81.58 % change on previous year.
That represents a change of down 153.2% on the previous year and down 222.4% over ten years.
Over the whole period, pertussis - number of reported cases, annual growth rate in Hong Kong, China peaked at 400 % change on previous year in 2023 and was at its lowest, -100 % change on previous year, in 1978.
That places Hong Kong, China 80th out of 191 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, annual growth rate in Hong Kong, China, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1977 | -50 % change on previous year | — |
| 1978 | -100 % change on previous year | +100.0% |
| 1981 | -83.33 % change on previous year | -16.7% |
| 1982 | -50 % change on previous year | -40.0% |
| 1983 | -100 % change on previous year | +100.0% |
| 1985 | 16.67 % change on previous year | -116.7% |
| 1986 | -95.24 % change on previous year | -671.4% |
| 1987 | -100 % change on previous year | +5.0% |
| 1989 | -50 % change on previous year | -50.0% |
| 1990 | 100 % change on previous year | -300.0% |
| 1991 | -100 % change on previous year | -200.0% |
| 1993 | 0 % change on previous year | -100.0% |
| 1994 | -20 % change on previous year | — |
| 1995 | 100 % change on previous year | -600.0% |
| 1996 | 12.5 % change on previous year | -87.5% |
| 1997 | 33.33 % change on previous year | +166.7% |
| 1998 | -75 % change on previous year | -325.0% |
| 1999 | 66.67 % change on previous year | -188.9% |
| 2000 | 120 % change on previous year | +80.0% |
| 2001 | 36.36 % change on previous year | -69.7% |
| 2008 | -19.35 % change on previous year | -153.2% |
| 2009 | -36 % change on previous year | +86.0% |
| 2010 | -68.75 % change on previous year | +91.0% |
| 2011 | 360 % change on previous year | -623.6% |
| 2012 | -13.04 % change on previous year | -103.6% |
| 2013 | 0 % change on previous year | -100.0% |
| 2014 | 50 % change on previous year | — |
| 2015 | 66.67 % change on previous year | +33.3% |
| 2016 | -38 % change on previous year | -157.0% |
| 2017 | 122.58 % change on previous year | -422.6% |
| 2018 | 59.42 % change on previous year | -51.5% |
| 2019 | -12.73 % change on previous year | -121.4% |
| 2020 | -77.08 % change on previous year | +505.7% |
| 2021 | -90.91 % change on previous year | +17.9% |
| 2022 | 50 % change on previous year | -155.0% |
| 2023 | 400 % change on previous year | +700.0% |
| 2024 | 153.33 % change on previous year | -61.7% |
| 2025 | -81.58 % change on previous year | -153.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | -75 % change on previous year | -100 % change on previous year | -50 % change on previous year | 2 |
| 1980s | -65.99 % change on previous year | -100 % change on previous year | 16.67 % change on previous year | 7 |
| 1990s | 13.06 % change on previous year | -100 % change on previous year | 100 % change on previous year | 9 |
| 2000s | 25.25 % change on previous year | -36 % change on previous year | 120 % change on previous year | 4 |
| 2010s | 52.61 % change on previous year | -68.75 % change on previous year | 360 % change on previous year | 10 |
| 2020s | 58.96 % change on previous year | -90.91 % change on previous year | 400 % change on previous year | 6 |
Countries ranked near Hong Kong, China
- 77 Iraq -80.23 % change on previous year compare
- 78 Finland -80.63 % change on previous year compare
- 79 Malta -81.4 % change on previous year compare
- 81 Armenia -81.82 % change on previous year compare
- 82 Romania -82.47 % change on previous year compare
- 83 Viet Nam -83.69 % change on previous year compare
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 05-09, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, female, per capita 0.0168 units per person (2025)
- Population ages 05-09, male, annual growth rate -3.91 % change on previous year (2025)
- Population ages 05-09, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, male, per capita 0.0173 units per person (2025)
- Population ages 10-14, female, annual growth rate -0.1576 % change on previous year (2025)
Frequently asked questions
- What is pertussis - number of reported cases, annual growth rate in Hong Kong, China?
- Pertussis - number of reported cases, annual growth rate in Hong Kong, China was -81.58 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, annual growth rate recorded in Hong Kong, China?
- The highest recorded value was 400 % change on previous year in 2023.
- What is the lowest pertussis - number of reported cases, annual growth rate recorded in Hong Kong, China?
- The lowest recorded value was -100 % change on previous year in 1978.
- How does Hong Kong, China rank for pertussis - number of reported cases, annual growth rate?
- Hong Kong, China ranks 80th out of 191 countries with data for 2025.
- Is pertussis - number of reported cases, annual growth rate rising or falling in Hong Kong, China?
- Over the last ten years it is down 222.4%. 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, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 38 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
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
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.