Peru vs Sierra Leone: Number of one-year-olds who are not vaccinated against diphtheria

Peru
0.0025 one-year-olds per person
in 2023
Sierra Leone
0.0025 one-year-olds per person
in 2023
Peru rank
71st
Sierra Leone rank
72nd

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

  • Peru
  • Sierra Leone
00.010.020.03198020012023

How they compare

Peru currently reports 0.0025 one-year-olds per person against 0.0025 one-year-olds per person in Sierra Leone, a difference of 0 one-year-olds per person.

The two have swapped places 1 time across 25 shared years of data; in 1999 it was Sierra Leone ahead.

Peru ranks 71st and Sierra Leone ranks 72nd of 192 countries.

Across the 4 decades both report, Peru averaged higher in 1 and Sierra Leone in 3.

Head to head by decade

Decade Peru Sierra Leone Difference Ahead
1990s 0.0002 one-year-olds per person 0.0209 one-year-olds per person 0.0207 one-year-olds per person Sierra Leone
2000s 0.0019 one-year-olds per person 0.0133 one-year-olds per person 0.0115 one-year-olds per person Sierra Leone
2010s 0.0018 one-year-olds per person 0.0035 one-year-olds per person 0.0017 one-year-olds per person Sierra Leone
2020s 0.0032 one-year-olds per person 0.0025 one-year-olds per person 0.0008 one-year-olds per person Peru

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, Peru or Sierra Leone?
Peru, at 0.0025 one-year-olds per person against 0.0025 one-year-olds per person in Sierra Leone as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Peru and Sierra Leone?
0 one-year-olds per person, with Peru ahead.
How many years of comparable data are there for Peru and Sierra Leone?
25 years are reported by both, from 1999 to 2023.
How do Peru and Sierra Leone rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Peru ranks 71st and Sierra Leone ranks 72nd 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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Peru vs Sierra Leone: 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/peru/sierra-leone/

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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/peru/sierra-leone/">Peru vs Sierra Leone: 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 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.