Chad vs Saint Vincent and the Grenadines: Number of one-year-olds who are not vaccinated against diphtheria

Chad
0.1925 one-year-olds per square kilometre
in 2023
Saint Vincent and the Grenadines
0.1905 one-year-olds per square kilometre
in 2023
Chad rank
76th
Saint Vincent and the Grenadines rank
78th

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

  • Chad
  • Saint Vincent and the Grenadines
0246198020012023

How they compare

Chad currently reports 0.1925 one-year-olds per square kilometre against 0.1905 one-year-olds per square kilometre in Saint Vincent and the Grenadines, a difference of 0.002 one-year-olds per square kilometre.

The two have swapped places 5 times across 41 shared years of data; in 1983 it was Saint Vincent and the Grenadines ahead.

Chad ranks 76th and Saint Vincent and the Grenadines ranks 78th of 192 countries.

Across the 5 decades both report, Chad averaged higher in 4 and Saint Vincent and the Grenadines in 1.

Head to head by decade

Decade Chad Saint Vincent and the Grenadines Difference Ahead
1980s 0.1527 one-year-olds per square kilometre 0.5895 one-year-olds per square kilometre 0.4368 one-year-olds per square kilometre Saint Vincent and the Grenadines
1990s 0.1854 one-year-olds per square kilometre 0.1045 one-year-olds per square kilometre 0.0809 one-year-olds per square kilometre Chad
2000s 0.2486 one-year-olds per square kilometre 0.0581 one-year-olds per square kilometre 0.1905 one-year-olds per square kilometre Chad
2010s 0.2739 one-year-olds per square kilometre 0.0974 one-year-olds per square kilometre 0.1765 one-year-olds per square kilometre Chad
2020s 0.2081 one-year-olds per square kilometre 0.1499 one-year-olds per square kilometre 0.0582 one-year-olds per square kilometre Chad

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, Chad or Saint Vincent and the Grenadines?
Chad, at 0.1925 one-year-olds per square kilometre against 0.1905 one-year-olds per square kilometre in Saint Vincent and the Grenadines as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Chad and Saint Vincent and the Grenadines?
0.002 one-year-olds per square kilometre, with Chad ahead.
How many years of comparable data are there for Chad and Saint Vincent and the Grenadines?
41 years are reported by both, from 1983 to 2023.
How do Chad and Saint Vincent and the Grenadines rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Chad ranks 76th and Saint Vincent and the Grenadines ranks 78th 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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Chad vs Saint Vincent and the Grenadines: 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/chad/st-vincent-and-the-grenadines/

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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.