Hong Kong, China vs Viet Nam: Pertussis - number of reported cases, annual growth rate
Hong Kong, China
-81.58 % change on previous year
in 2025
Viet Nam
-83.69 % change on previous year
in 2025
Hong Kong, China rank
80th
Viet Nam rank
83rd
Pertussis - number of reported cases, annual growth rate over time
- Hong Kong, China
- Viet Nam
How they compare
Hong Kong, China currently reports -81.58 % change on previous year against -83.69 % change on previous year in Viet Nam, a difference of 2.11 % change on previous year.
The two have swapped places 21 times across 37 shared years of data; in 1977 it was Viet Nam ahead.
Hong Kong, China ranks 80th and Viet Nam ranks 83rd of 191 countries.
Across the 6 decades both report, Hong Kong, China averaged higher in 4 and Viet Nam in 2.
Head to head by decade
| Decade | Hong Kong, China | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1970s | -75 % change on previous year | 45.91 % change on previous year | 120.91 % change on previous year | Viet Nam |
| 1980s | -65.99 % change on previous year | -12.91 % change on previous year | 53.08 % change on previous year | Viet Nam |
| 1990s | 13.06 % change on previous year | -18.61 % change on previous year | 31.66 % change on previous year | Hong Kong, China |
| 2000s | 25.25 % change on previous year | 10.4 % change on previous year | 14.85 % change on previous year | Hong Kong, China |
| 2010s | 52.61 % change on previous year | 41.96 % change on previous year | 10.66 % change on previous year | Hong Kong, China |
| 2020s | 40.09 % change on previous year | -38.96 % change on previous year | 79.04 % change on previous year | Hong Kong, China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, annual growth rate, Hong Kong, China or Viet Nam?
- Hong Kong, China, at -81.58 % change on previous year against -83.69 % change on previous year in Viet Nam as of 2025.
- What is the difference in pertussis - number of reported cases, annual growth rate between Hong Kong, China and Viet Nam?
- 2.11 % change on previous year, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and Viet Nam?
- 37 years are reported by both, from 1977 to 2025.
- How do Hong Kong, China and Viet Nam rank globally for pertussis - number of reported cases, annual growth rate?
- Hong Kong, China ranks 80th and Viet Nam ranks 83rd of 191 countries.
- Where does this data come from?
- Statizoid (derived), published as Pertussis - number of reported cases, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.