What is the difference in pertussis - number of reported cases, per capita between Sierra Leone and Tuvalu?

0 units per person, with Sierra Leone ahead.

How many years of comparable data are there for Sierra Leone and Tuvalu?

14 years are reported by both, from 1979 to 2011.

Where does this data come from?

Statizoid (derived), published as Pertussis - number of reported cases, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Tuvalu: Pertussis - number of reported cases, per capita

Sierra Leone

0 units per person

in 2025

Tuvalu

0 units per person

in 2012

Sierra Leone rank

136th

Tuvalu rank

136th

Pertussis - number of reported cases, per capita over time

Sierra Leone
Tuvalu

How they compare

Sierra Leone currently reports 0 units per person against 0 units per person in Tuvalu, a difference of 0 units per person.

The two have swapped places 2 times across 14 shared years of data; in 1979 it was Sierra Leone ahead.

Sierra Leone ranks 136th and Tuvalu ranks 136th of 204 countries.

Sierra Leone has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Sierra Leone	Tuvalu	Difference	Ahead
1970s	0.0004 units per person	0.0001 units per person	0.0003 units per person	Sierra Leone
1980s	0.0003 units per person	0 units per person	0.0003 units per person	Sierra Leone
1990s	0 units per person	0 units per person	0 units per person	—
2000s	0 units per person	0 units per person	0 units per person	—
2010s	0 units per person	0 units per person	0 units per person	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per capita, Sierra Leone or Tuvalu?: Sierra Leone, at 0 units per person against 0 units per person in Tuvalu as of 2025.
What is the difference in pertussis - number of reported cases, per capita between Sierra Leone and Tuvalu?: 0 units per person, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Tuvalu?: 14 years are reported by both, from 1979 to 2011.
How do Sierra Leone and Tuvalu rank globally for pertussis - number of reported cases, per capita?: Sierra Leone ranks 136th and Tuvalu ranks 136th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Pertussis - number of reported cases, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tuvalu: Pertussis - number of reported cases, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 04 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/sierra-leone/tuvalu/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/sierra-leone/tuvalu/">Sierra Leone vs Tuvalu: Pertussis - number of reported cases, per capita</a> — Statizoid

About this data

Indicator: Pertussis - number of reported cases, per capita
Unit: units per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 205 places, 8,445 data points, 1974–2025
Last refreshed: 01 September 2026

Pertussis - number of reported cases divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.