What is the difference in reported cases of measles, gaps filled between Sao Tome and Principe and Tonga?

0 Cases, with Sao Tome and Principe ahead.

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

48 years are reported by both, from 1974 to 2021.

Where does this data come from?

Statizoid (derived), published as Reported cases of measles, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sao Tome and Principe vs Tonga: Reported cases of measles, gaps filled

Sao Tome and Principe

0 Cases

in 2021

Tonga

0 Cases

in 2024

Sao Tome and Principe rank

146th

Tonga rank

146th

Reported cases of measles, gaps filled over time

Sao Tome and Principe
Tonga

How they compare

Sao Tome and Principe currently reports 0 Cases against 0 Cases in Tonga, a difference of 0 Cases.

The two have swapped places 13 times across 48 shared years of data; in 1974 it was Sao Tome and Principe ahead.

Sao Tome and Principe ranks 146th and Tonga ranks 146th of 210 countries.

Tonga has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Sao Tome and Principe	Tonga	Difference	Ahead
1970s	217.67 Cases	524.17 Cases	306.5 Cases	Tonga
1980s	182.1 Cases	325.3 Cases	143.2 Cases	Tonga
1990s	44 Cases	121.6 Cases	77.6 Cases	Tonga
2000s	0 Cases	0.4 Cases	0.4 Cases	Tonga
2010s	0.3 Cases	65.9 Cases	65.6 Cases	Tonga
2020s	0 Cases	416.38 Cases	416.38 Cases	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of measles, gaps filled, Sao Tome and Principe or Tonga?: Sao Tome and Principe, at 0 Cases against 0 Cases in Tonga as of 2021.
What is the difference in reported cases of measles, gaps filled between Sao Tome and Principe and Tonga?: 0 Cases, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and Tonga?: 48 years are reported by both, from 1974 to 2021.
How do Sao Tome and Principe and Tonga rank globally for reported cases of measles, gaps filled?: Sao Tome and Principe ranks 146th and Tonga ranks 146th of 210 countries.
Where does this data come from?: Statizoid (derived), published as Reported cases of measles, gaps filled. 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: Reported cases of measles, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 13 September 2026, from https://health.statizoid.com/compare/reported-cases-of-measles-gaps-filled/sao-tome-and-principe/tonga/

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<a href="https://health.statizoid.com/compare/reported-cases-of-measles-gaps-filled/sao-tome-and-principe/tonga/">Sao Tome and Principe vs Tonga: Reported cases of measles, gaps filled</a> — Statizoid

About this data

Indicator: Reported cases of measles, gaps filled
Unit: Cases
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 210 places, 9,624 data points, 1974–2024
Last refreshed: 13 September 2026

Reported cases of measles with 433 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.