Sierra Leone vs Tonga: Pertussis - number of reported cases
Sierra Leone
0
in 2025
Tonga
0
in 2025
Sierra Leone rank
137th
Tonga rank
137th
Pertussis - number of reported cases over time
- Sierra Leone
- Tonga
How they compare
Sierra Leone currently reports 0 against 0 in Tonga, a difference of 0.
The two have swapped places 3 times across 16 shared years of data; in 1979 it was Sierra Leone ahead.
Sierra Leone ranks 137th and Tonga ranks 137th of 210 countries.
Sierra Leone has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sierra Leone | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1,425 | 147 | 1,278 | Sierra Leone |
| 1980s | 1,160 | 65 | 1,095 | Sierra Leone |
| 1990s | 0 | 0 | 0 | — |
| 2000s | 0 | 0 | 0 | — |
| 2010s | 23 | 0 | 23 | Sierra Leone |
| 2020s | 0 | 0 | 0 | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, Sierra Leone or Tonga?
- Sierra Leone, at 0 against 0 in Tonga as of 2025.
- What is the difference in pertussis - number of reported cases between Sierra Leone and Tonga?
- 0, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Tonga?
- 16 years are reported by both, from 1979 to 2025.
- How do Sierra Leone and Tonga rank globally for pertussis - number of reported cases?
- Sierra Leone ranks 137th and Tonga ranks 137th of 210 countries.
- Where does this data come from?
- World Health Organization, Global Health Observatory, published as Pertussis - number of reported cases. Statizoid refreshes it automatically from the source and publishes the full history for both places.