Saint Lucia vs Tanzania: Number of one-year-olds who are not vaccinated against diphtheria

Saint Lucia
35.24 % change on previous year
in 2023
Tanzania
33.4 % change on previous year
in 2023
Saint Lucia rank
27th
Tanzania rank
29th

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

  • Saint Lucia
  • Tanzania
0200400600198120022023

How they compare

Saint Lucia currently reports 35.24 % change on previous year against 33.4 % change on previous year in Tanzania, a difference of 1.84 % change on previous year.

That makes Saint Lucia's figure about 1.1 times Tanzania's.

The two have swapped places 31 times across 42 shared years of data; in 1981 it was Tanzania ahead.

Saint Lucia ranks 27th and Tanzania ranks 29th of 194 countries.

Across the 5 decades both report, Saint Lucia averaged higher in 4 and Tanzania in 1.

Head to head by decade

Decade Saint Lucia Tanzania Difference Ahead
1980s -9.03 % change on previous year -1.55 % change on previous year 7.48 % change on previous year Tanzania
1990s 89.43 % change on previous year 3.54 % change on previous year 85.88 % change on previous year Saint Lucia
2000s 40.9 % change on previous year 8.96 % change on previous year 31.94 % change on previous year Saint Lucia
2010s 60.53 % change on previous year 7.47 % change on previous year 53.06 % change on previous year Saint Lucia
2020s 36.23 % change on previous year 22.23 % change on previous year 14 % change on previous year Saint Lucia

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, Saint Lucia or Tanzania?
Saint Lucia, at 35.24 % change on previous year against 33.4 % change on previous year in Tanzania as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Saint Lucia and Tanzania?
1.84 % change on previous year, with Saint Lucia ahead.
How many years of comparable data are there for Saint Lucia and Tanzania?
42 years are reported by both, from 1981 to 2023.
How do Saint Lucia and Tanzania rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Saint Lucia ranks 27th and Tanzania ranks 29th of 194 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, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Saint Lucia vs Tanzania: 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-4/st-lucia/tanzania/

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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-4/st-lucia/tanzania/">Saint Lucia vs Tanzania: 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, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
194 places, 7,686 data points, 1981–2023
Last refreshed

The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.