South Africa vs Sri Lanka: Pertussis - number of reported cases, annual growth rate
South Africa
-70.52 % change on previous year
in 2024
Sri Lanka
-64.71 % change on previous year
in 2025
South Africa rank
66th
Sri Lanka rank
63rd
Pertussis - number of reported cases, annual growth rate over time
- South Africa
- Sri Lanka
How they compare
Sri Lanka currently reports -64.71 % change on previous year against -70.52 % change on previous year in South Africa, a difference of 5.81 % change on previous year.
The two have swapped places 9 times across 14 shared years of data; in 1997 it was Sri Lanka ahead.
South Africa ranks 66th and Sri Lanka ranks 63rd of 191 countries.
Across the 4 decades both report, South Africa averaged higher in 2 and Sri Lanka in 2.
Head to head by decade
| Decade | South Africa | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 40.34 % change on previous year | 178.62 % change on previous year | 138.27 % change on previous year | Sri Lanka |
| 2000s | 26.09 % change on previous year | 85.82 % change on previous year | 59.73 % change on previous year | Sri Lanka |
| 2010s | 19.04 % change on previous year | -13.91 % change on previous year | 32.96 % change on previous year | South Africa |
| 2020s | 177.12 % change on previous year | -90 % change on previous year | 267.12 % change on previous year | South Africa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, annual growth rate, South Africa or Sri Lanka?
- Sri Lanka, at -64.71 % change on previous year against -70.52 % change on previous year in South Africa as of 2025.
- What is the difference in pertussis - number of reported cases, annual growth rate between South Africa and Sri Lanka?
- 5.81 % change on previous year, with Sri Lanka ahead.
- How many years of comparable data are there for South Africa and Sri Lanka?
- 14 years are reported by both, from 1997 to 2021.
- How do South Africa and Sri Lanka rank globally for pertussis - number of reported cases, annual growth rate?
- South Africa ranks 66th and Sri Lanka ranks 63rd 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.