Sierra Leone vs Tonga: Pertussis - number of reported cases, per square kilometre
Sierra Leone
0 units per square kilometre
in 2021
Tonga
0 units per square kilometre
in 2023
Sierra Leone rank
132nd
Tonga rank
132nd
Pertussis - number of reported cases, per square kilometre over time
- Sierra Leone
- Tonga
How they compare
Sierra Leone currently reports 0 units per square kilometre against 0 units per square kilometre in Tonga, a difference of 0 units per square kilometre.
The two have swapped places 5 times across 15 shared years of data; in 1979 it was Tonga ahead.
Sierra Leone ranks 132nd and Tonga ranks 132nd of 204 countries.
Across the 5 decades both report, Sierra Leone averaged higher in 1 and Tonga in 2.
Head to head by decade
| Decade | Sierra Leone | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0.0197 units per square kilometre | 0.2042 units per square kilometre | 0.1844 units per square kilometre | Tonga |
| 1980s | 0.0161 units per square kilometre | 0.0903 units per square kilometre | 0.0742 units per square kilometre | Tonga |
| 1990s | 0 units per square kilometre | 0 units per square kilometre | 0 units per square kilometre | — |
| 2000s | 0 units per square kilometre | 0 units per square kilometre | 0 units per square kilometre | — |
| 2010s | 0.0003 units per square kilometre | 0 units per square kilometre | 0.0003 units per square kilometre | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher pertussis - number of reported cases, per square kilometre, Sierra Leone or Tonga?
- Sierra Leone, at 0 units per square kilometre against 0 units per square kilometre in Tonga as of 2021.
- What is the difference in pertussis - number of reported cases, per square kilometre between Sierra Leone and Tonga?
- 0 units per square kilometre, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Tonga?
- 15 years are reported by both, from 1979 to 2011.
- How do Sierra Leone and Tonga rank globally for pertussis - number of reported cases, per square kilometre?
- Sierra Leone ranks 132nd and Tonga ranks 132nd of 204 countries.
- Where does this data come from?
- Statizoid (derived), published as Pertussis - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.