Saint Vincent and the Grenadines vs Tonga: Share of one-year-olds vaccinated against Haemophilus influenzae type B

Saint Vincent and the Grenadines
99.0%
in 2024
Tonga
99.0%
in 2024
Saint Vincent and the Grenadines rank
1st
Tonga rank
1st

Share of one-year-olds vaccinated against Haemophilus influenzae type B over time

  • Saint Vincent and the Grenadines
  • Tonga
20406080100200320132024

How they compare

Saint Vincent and the Grenadines currently reports 99.0% against 99.0% in Tonga, a difference of 0.0%.

The two have swapped places 4 times across 20 shared years of data; in 2005 it was Tonga ahead.

Saint Vincent and the Grenadines ranks 1st and Tonga ranks 1st of 192 countries.

Across the 3 decades both report, Saint Vincent and the Grenadines averaged higher in 1 and Tonga in 1.

Head to head by decade

Decade Saint Vincent and the Grenadines Tonga Difference Ahead
2000s 99.0% 99.0% 0.0%
2010s 98.0% 97.9% 0.1% Saint Vincent and the Grenadines
2020s 97.8% 99.0% 1.2% Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of one-year-olds vaccinated against haemophilus influenzae type b, Saint Vincent and the Grenadines or Tonga?
Saint Vincent and the Grenadines, at 99.0% against 99.0% in Tonga as of 2024.
What is the difference in share of one-year-olds vaccinated against haemophilus influenzae type b between Saint Vincent and the Grenadines and Tonga?
0.0%, with Saint Vincent and the Grenadines ahead.
How many years of comparable data are there for Saint Vincent and the Grenadines and Tonga?
20 years are reported by both, from 2005 to 2024.
How do Saint Vincent and the Grenadines and Tonga rank globally for share of one-year-olds vaccinated against haemophilus influenzae type b?
Saint Vincent and the Grenadines ranks 1st and Tonga ranks 1st of 192 countries.
Where does this data come from?
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds 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 Vincent and the Grenadines vs Tonga: Share of one-year-olds vaccinated against Haemophilus influenzae type B. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://health.statizoid.com/compare/hib-vaccine/st-vincent-and-the-grenadines/tonga/

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About this data

Indicator
Share of one-year-olds vaccinated against Haemophilus influenzae type B
Unit
%
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
192 places, 3,958 data points, 1991–2024
Last refreshed

Share of one-year-olds who have had three doses of Haemophilus influenzae type b vaccine in a given year.