Chad vs Niger: Number of one-year-olds who are not vaccinated against diphtheria

Chad
0 one-year-olds per US$ of GDP
in 2023
Niger
0 one-year-olds per US$ of GDP
in 2023
Chad rank
11th
Niger rank
14th

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

  • Chad
  • Niger
00000198120022023

How they compare

Chad currently reports 0 one-year-olds per US$ of GDP against 0 one-year-olds per US$ of GDP in Niger, a difference of 0 one-year-olds per US$ of GDP.

That makes Chad's figure about 1.6 times Niger's.

The two have swapped places 12 times across 41 shared years of data; in 1983 it was Chad ahead.

Chad ranks 11th and Niger ranks 14th of 191 countries.

Across the 5 decades both report, Chad averaged higher in 4 and Niger in 1.

Head to head by decade

Decade Chad Niger Difference Ahead
1980s 0.0002 one-year-olds per US$ of GDP 0.0002 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Chad
1990s 0.0001 one-year-olds per US$ of GDP 0.0001 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Chad
2000s 0.0001 one-year-olds per US$ of GDP 0.0001 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Niger
2010s 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Chad
2020s 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 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 Niger?
Chad, at 0 one-year-olds per US$ of GDP against 0 one-year-olds per US$ of GDP in Niger as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Chad and Niger?
0 one-year-olds per US$ of GDP, with Chad ahead.
How many years of comparable data are there for Chad and Niger?
41 years are reported by both, from 1983 to 2023.
How do Chad and Niger rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Chad ranks 11th and Niger ranks 14th of 191 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 unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Niger: 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-2/chad/niger/

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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-2/chad/niger/">Chad vs Niger: 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 unit of GDP
Unit
one-year-olds per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
191 places, 7,653 data points, 1980–2023
Last refreshed

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.