How many years of comparable data are there for Europe & Central Asia (IDA & IBRD countries) and Tonga?

33 years are reported by both, from 1992 to 2024.

Where does this data come from?

World Health Organization (WHO), published as Immunization, HepB3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Europe & Central Asia (IDA & IBRD countries) vs Tonga: Immunization, HepB3

Europe & Central Asia (IDA & IBRD countries)

92.7%

in 2024

Tonga

99.0%

in 2024

Europe & Central Asia (IDA & IBRD countries) rank

4th

Tonga rank

1st

Immunization, HepB3 over time

Europe & Central Asia (IDA & IBRD countries)
Tonga

How they compare

Tonga currently reports 99.0% against 92.7% in Europe & Central Asia (IDA & IBRD countries), a difference of 6.3%.

That makes Tonga's figure about 1.1 times Europe & Central Asia (IDA & IBRD countries)'s.

Across all 33 years both countries report, Tonga has been ahead every year.

Europe & Central Asia (IDA & IBRD countries) ranks 4th and Tonga ranks 1st of 47 groups.

Tonga has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Europe & Central Asia (IDA & IBRD countries)	Tonga	Difference	Ahead
1990s	8.5%	92.1%	83.6%	Tonga
2000s	79.9%	97.4%	17.5%	Tonga
2010s	92.0%	97.9%	5.9%	Tonga
2020s	93.3%	99.0%	5.7%	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, hepb3, Europe & Central Asia (IDA & IBRD countries) or Tonga?: Tonga, at 99.0% against 92.7% in Europe & Central Asia (IDA & IBRD countries) as of 2024.
What is the difference in immunization, hepb3 between Europe & Central Asia (IDA & IBRD countries) and Tonga?: 6.3%, with Tonga ahead.
How many years of comparable data are there for Europe & Central Asia (IDA & IBRD countries) and Tonga?: 33 years are reported by both, from 1992 to 2024.
How do Europe & Central Asia (IDA & IBRD countries) and Tonga rank globally for immunization, hepb3?: Europe & Central Asia (IDA & IBRD countries) ranks 4th and Tonga ranks 1st of 47 groups.
Where does this data come from?: World Health Organization (WHO), published as Immunization, HepB3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Europe & Central Asia (IDA & IBRD countries) vs Tonga: Immunization, HepB3. Statizoid, drawing on World Health Organization (WHO). Retrieved 16 September 2026, from https://health.statizoid.com/compare/immunization-hepb3-percent-of-one-year-old-children/europe-and-central-asia-ida-and-ibrd-countries/tonga/

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<a href="https://health.statizoid.com/compare/immunization-hepb3-percent-of-one-year-old-children/europe-and-central-asia-ida-and-ibrd-countries/tonga/">Europe & Central Asia (IDA & IBRD countries) vs Tonga: Immunization, HepB3</a> — Statizoid

About this data

Indicator: Immunization, HepB3 (% of one-year-old children)
Unit: % of one-year-old children
Source: World Health Organization (WHO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 235 places, 6,534 data points, 1985–2024
Last refreshed: 03 September 2026

Child immunization rate, hepatitis B is the percentage of children ages 12-23 months who received hepatitis B vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized after three doses.