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

Brazil
0.0313 one-year-olds per square kilometre
in 2023
Tonga
0.0333 one-year-olds per square kilometre
in 2023
Brazil rank
150th
Tonga rank
147th

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

  • Brazil
  • Tonga
0123198020012023

How they compare

Tonga currently reports 0.0333 one-year-olds per square kilometre against 0.0313 one-year-olds per square kilometre in Brazil, a difference of 0.002 one-year-olds per square kilometre.

That makes Tonga's figure about 1.1 times Brazil's.

The two have swapped places 8 times across 44 shared years of data; in 1980 it was Tonga ahead.

Brazil ranks 150th and Tonga ranks 147th of 192 countries.

Across the 5 decades both report, Brazil averaged higher in 1 and Tonga in 4.

Head to head by decade

Decade Brazil Tonga Difference Ahead
1980s 0.1897 one-year-olds per square kilometre 1.29 one-year-olds per square kilometre 1.1 one-year-olds per square kilometre Tonga
1990s 0.0881 one-year-olds per square kilometre 0.2111 one-year-olds per square kilometre 0.123 one-year-olds per square kilometre Tonga
2000s 0.0046 one-year-olds per square kilometre 0.1165 one-year-olds per square kilometre 0.1119 one-year-olds per square kilometre Tonga
2010s 0.0316 one-year-olds per square kilometre 0.0801 one-year-olds per square kilometre 0.0485 one-year-olds per square kilometre Tonga
2020s 0.0714 one-year-olds per square kilometre 0.0331 one-year-olds per square kilometre 0.0384 one-year-olds per square kilometre Brazil

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, Brazil or Tonga?
Tonga, at 0.0333 one-year-olds per square kilometre against 0.0313 one-year-olds per square kilometre in Brazil as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Brazil and Tonga?
0.002 one-year-olds per square kilometre, with Tonga ahead.
How many years of comparable data are there for Brazil and Tonga?
44 years are reported by both, from 1980 to 2023.
How do Brazil and Tonga rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Brazil ranks 150th 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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Brazil vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria. Statizoid, drawing on Statizoid (derived). Retrieved 17 September 2026, from https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus-3/brazil/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/brazil/tonga/">Brazil 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.