What is the difference in pertussis - number of reported cases, per capita between Sao Tome and Principe and Tonga?

0 units per person, with Sao Tome and Principe ahead.

How many years of comparable data are there for Sao Tome and Principe and Tonga?

33 years are reported by both, from 1974 to 2018.

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.

Sao Tome and Principe vs Tonga: Pertussis - number of reported cases, per capita

Sao Tome and Principe

0 units per person

in 2021

Tonga

0 units per person

in 2025

Sao Tome and Principe rank

136th

Tonga rank

136th

Pertussis - number of reported cases, per capita over time

Sao Tome and Principe
Tonga

How they compare

Sao Tome and Principe currently reports 0 units per person against 0 units per person in Tonga, a difference of 0 units per person.

The two have swapped places 5 times across 33 shared years of data; in 1974 it was Sao Tome and Principe ahead.

Sao Tome and Principe ranks 136th and Tonga ranks 136th of 204 countries.

Across the 5 decades both report, Sao Tome and Principe averaged higher in 2 and Tonga in 3.

Head to head by decade

Decade	Sao Tome and Principe	Tonga	Difference	Ahead
1970s	0.0002 units per person	0.0009 units per person	0.0008 units per person	Tonga
1980s	0.0007 units per person	0.0007 units per person	0.0001 units per person	Sao Tome and Principe
1990s	0.0004 units per person	0 units per person	0.0004 units per person	Sao Tome and Principe
2000s	0 units per person	0 units per person	0 units per person	Tonga
2010s	0 units per person	0 units per person	0 units per person	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per capita, Sao Tome and Principe or Tonga?: Sao Tome and Principe, at 0 units per person against 0 units per person in Tonga as of 2021.
What is the difference in pertussis - number of reported cases, per capita between Sao Tome and Principe and Tonga?: 0 units per person, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and Tonga?: 33 years are reported by both, from 1974 to 2018.
How do Sao Tome and Principe and Tonga rank globally for pertussis - number of reported cases, per capita?: Sao Tome and Principe ranks 136th and Tonga 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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Sao Tome and Principe vs Tonga: Pertussis - number of reported cases, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/sao-tome-and-principe/tonga/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/sao-tome-and-principe/tonga/">Sao Tome and Principe vs Tonga: 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.