Saint Vincent and the Grenadines vs Tonga: Number of one-year-olds who are not vaccinated against hepatitis B

Saint Vincent and the Grenadines
74.28 one-year-olds
in 2023
Tonga
23.98 one-year-olds
in 2023
Saint Vincent and the Grenadines rank
176th
Tonga rank
180th

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

  • Saint Vincent and the Grenadines
  • Tonga
05001.0k1.5k199020062023

How they compare

Saint Vincent and the Grenadines currently reports 74.28 one-year-olds against 23.98 one-year-olds in Tonga, a difference of 50.3 one-year-olds.

That makes Saint Vincent and the Grenadines's figure about 3.1 times Tonga's.

The two have swapped places 8 times across 21 shared years of data; in 2003 it was Saint Vincent and the Grenadines ahead.

Saint Vincent and the Grenadines ranks 176th and Tonga ranks 180th of 189 countries.

Across the 3 decades both report, Saint Vincent and the Grenadines averaged higher in 2 and Tonga in 1.

Head to head by decade

Decade Saint Vincent and the Grenadines Tonga Difference Ahead
2000s 214.67 one-year-olds 58.23 one-year-olds 156.44 one-year-olds Saint Vincent and the Grenadines
2010s 36.58 one-year-olds 57.69 one-year-olds 21.11 one-year-olds Tonga
2020s 31.92 one-year-olds 23.81 one-year-olds 8.11 one-year-olds Saint Vincent and the Grenadines

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 hepatitis b, Saint Vincent and the Grenadines or Tonga?
Saint Vincent and the Grenadines, at 74.28 one-year-olds against 23.98 one-year-olds in Tonga as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against hepatitis b between Saint Vincent and the Grenadines and Tonga?
50.3 one-year-olds, with Saint Vincent and the Grenadines ahead.
How many years of comparable data are there for Saint Vincent and the Grenadines and Tonga?
21 years are reported by both, from 2003 to 2023.
How do Saint Vincent and the Grenadines and Tonga rank globally for number of one-year-olds who are not vaccinated against hepatitis b?
Saint Vincent and the Grenadines ranks 176th and Tonga ranks 180th of 189 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 hepatitis 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: Number of one-year-olds who are not vaccinated against hepatitis 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/hepb3-number-unvaccinated/st-vincent-and-the-grenadines/tonga/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against hepatitis 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
189 places, 4,534 data points, 1989–2023
Last refreshed

Number of one-year-olds who have not had three doses of the hepatitis B vaccine in a given year.