Saint Kitts and Nevis vs Tonga: Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B

Saint Kitts and Nevis
22.36 one-year-olds
in 2023
Tonga
23.98 one-year-olds
in 2023
Saint Kitts and Nevis rank
183rd
Tonga rank
182nd

Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B over time

  • Saint Kitts and Nevis
  • Tonga
0200400600800200020112023

How they compare

Tonga currently reports 23.98 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis, a difference of 1.62 one-year-olds.

That makes Tonga's figure about 1.1 times Saint Kitts and Nevis's.

Across all 19 years both countries report, Tonga has been ahead every year.

Saint Kitts and Nevis ranks 183rd and Tonga ranks 182nd of 191 countries.

Tonga has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Saint Kitts and Nevis Tonga Difference Ahead
2000s 12.94 one-year-olds 29.31 one-year-olds 16.37 one-year-olds Tonga
2010s 17.44 one-year-olds 57.69 one-year-olds 40.24 one-year-olds Tonga
2020s 18.57 one-year-olds 23.81 one-year-olds 5.23 one-year-olds Tonga

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 haemophilus influenzae type b, Saint Kitts and Nevis or Tonga?
Tonga, at 23.98 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against haemophilus influenzae type b between Saint Kitts and Nevis and Tonga?
1.62 one-year-olds, with Tonga ahead.
How many years of comparable data are there for Saint Kitts and Nevis and Tonga?
19 years are reported by both, from 2005 to 2023.
How do Saint Kitts and Nevis and Tonga rank globally for number of one-year-olds who are not vaccinated against haemophilus influenzae type b?
Saint Kitts and Nevis ranks 183rd and Tonga ranks 182nd of 191 countries.
Where does this data come from?
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Saint Kitts and Nevis vs Tonga: Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 30 August 2026, from https://health.statizoid.com/compare/hib3-number-unvaccinated/st-kitts-and-nevis/tonga/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
191 places, 3,762 data points, 1991–2023
Last refreshed

Number of one-year-olds who have not had three doses of Haemophilus influenzae type b vaccine in a given year.