New Zealand vs United States: Number of one-year-olds who are not vaccinated against diphtheria

New Zealand
0.0269 one-year-olds per square kilometre
in 2023
United States
0.0244 one-year-olds per square kilometre
in 2023
New Zealand rank
157th
United States rank
159th

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

  • New Zealand
  • United States
0.020.040.060.08198020012023

How they compare

New Zealand currently reports 0.0269 one-year-olds per square kilometre against 0.0244 one-year-olds per square kilometre in United States, a difference of 0.0025 one-year-olds per square kilometre.

That makes New Zealand's figure about 1.1 times United States's.

The two have swapped places 6 times across 44 shared years of data; in 1980 it was New Zealand ahead.

New Zealand ranks 157th and United States ranks 159th of 192 countries.

Across the 5 decades both report, New Zealand averaged higher in 2 and United States in 3.

Head to head by decade

Decade New Zealand United States Difference Ahead
1980s 0.0515 one-year-olds per square kilometre 0.015 one-year-olds per square kilometre 0.0366 one-year-olds per square kilometre New Zealand
1990s 0.033 one-year-olds per square kilometre 0.0351 one-year-olds per square kilometre 0.0021 one-year-olds per square kilometre United States
2000s 0.0228 one-year-olds per square kilometre 0.0204 one-year-olds per square kilometre 0.0024 one-year-olds per square kilometre New Zealand
2010s 0.0165 one-year-olds per square kilometre 0.0234 one-year-olds per square kilometre 0.0069 one-year-olds per square kilometre United States
2020s 0.0231 one-year-olds per square kilometre 0.0254 one-year-olds per square kilometre 0.0023 one-year-olds per square kilometre United States

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, New Zealand or United States?
New Zealand, at 0.0269 one-year-olds per square kilometre against 0.0244 one-year-olds per square kilometre in United States as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between New Zealand and United States?
0.0025 one-year-olds per square kilometre, with New Zealand ahead.
How many years of comparable data are there for New Zealand and United States?
44 years are reported by both, from 1980 to 2023.
How do New Zealand and United States rank globally for number of one-year-olds who are not vaccinated against diphtheria?
New Zealand ranks 157th and United States ranks 159th 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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New Zealand vs United States: 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/new-zealand/united-states/

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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/new-zealand/united-states/">New Zealand vs United States: 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.