Eritrea vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria

Eritrea
0.0387 one-year-olds per square kilometre
in 2023
Tonga
0.0333 one-year-olds per square kilometre
in 2023
Eritrea rank
145th
Tonga rank
147th

Number of one-year-olds who are not vaccinated against diphtheria over time

  • Eritrea
  • Tonga
0123198020012023

How they compare

Eritrea currently reports 0.0387 one-year-olds per square kilometre against 0.0333 one-year-olds per square kilometre in Tonga, a difference of 0.0054 one-year-olds per square kilometre.

That makes Eritrea's figure about 1.2 times Tonga's.

The two have swapped places 10 times across 31 shared years of data; in 1993 it was Eritrea ahead.

Eritrea ranks 145th and Tonga ranks 147th of 192 countries.

Across the 4 decades both report, Eritrea averaged higher in 2 and Tonga in 2.

Head to head by decade

Decade Eritrea Tonga Difference Ahead
1990s 0.2476 one-year-olds per square kilometre 0.1927 one-year-olds per square kilometre 0.0549 one-year-olds per square kilometre Eritrea
2000s 0.0598 one-year-olds per square kilometre 0.1165 one-year-olds per square kilometre 0.0567 one-year-olds per square kilometre Tonga
2010s 0.041 one-year-olds per square kilometre 0.0801 one-year-olds per square kilometre 0.0391 one-year-olds per square kilometre Tonga
2020s 0.0379 one-year-olds per square kilometre 0.0331 one-year-olds per square kilometre 0.0049 one-year-olds per square kilometre Eritrea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of one-year-olds who are not vaccinated against diphtheria, Eritrea or Tonga?
Eritrea, at 0.0387 one-year-olds per square kilometre against 0.0333 one-year-olds per square kilometre in Tonga as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Eritrea and Tonga?
0.0054 one-year-olds per square kilometre, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Tonga?
31 years are reported by both, from 1993 to 2023.
How do Eritrea and Tonga rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Eritrea ranks 145th and Tonga ranks 147th of 192 countries.
Where does this data come from?
Statizoid (derived), published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Eritrea vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus-3/eritrea/tonga/

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<a href="https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus-3/eritrea/tonga/">Eritrea vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria</a> — Statizoid

About this data

Indicator
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per square kilometre
Unit
one-year-olds per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
192 places, 7,710 data points, 1980–2023
Last refreshed

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus 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.