Samoa vs South Africa: Number of one-year-olds who are not vaccinated against diphtheria

Samoa
0.0043 one-year-olds per person
in 2023
South Africa
0.004 one-year-olds per person
in 2023
Samoa rank
49th
South Africa rank
51st

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

  • Samoa
  • South Africa
00.0050.010.0150.020.025198020012023

How they compare

Samoa currently reports 0.0043 one-year-olds per person against 0.004 one-year-olds per person in South Africa, a difference of 0.0003 one-year-olds per person.

That makes Samoa's figure about 1.1 times South Africa's.

The two have swapped places 7 times across 41 shared years of data; in 1983 it was South Africa ahead.

Samoa ranks 49th and South Africa ranks 51st of 192 countries.

Across the 5 decades both report, Samoa averaged higher in 3 and South Africa in 2.

Head to head by decade

Decade Samoa South Africa Difference Ahead
1980s 0.0037 one-year-olds per person 0.0085 one-year-olds per person 0.0047 one-year-olds per person South Africa
1990s 0.0023 one-year-olds per person 0.006 one-year-olds per person 0.0038 one-year-olds per person South Africa
2000s 0.0082 one-year-olds per person 0.0047 one-year-olds per person 0.0034 one-year-olds per person Samoa
2010s 0.0076 one-year-olds per person 0.0039 one-year-olds per person 0.0037 one-year-olds per person Samoa
2020s 0.0045 one-year-olds per person 0.0032 one-year-olds per person 0.0013 one-year-olds per person Samoa

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, Samoa or South Africa?
Samoa, at 0.0043 one-year-olds per person against 0.004 one-year-olds per person in South Africa as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Samoa and South Africa?
0.0003 one-year-olds per person, with Samoa ahead.
How many years of comparable data are there for Samoa and South Africa?
41 years are reported by both, from 1983 to 2023.
How do Samoa and South Africa rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Samoa ranks 49th and South Africa ranks 51st 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 capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs South Africa: 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/samoa/south-africa/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per capita
Unit
one-year-olds per person
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
192 places, 7,818 data points, 1980–2023
Last refreshed

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