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?

WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, BCG (% 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, BCG

Europe & Central Asia (IDA & IBRD countries)

96.0%

in 2024

Tonga

99.0%

in 2024

Europe & Central Asia (IDA & IBRD countries) rank

3rd

Tonga rank

1st

Immunization, BCG over time

Europe & Central Asia (IDA & IBRD countries)
Tonga

How they compare

Tonga currently reports 99.0% against 96.0% in Europe & Central Asia (IDA & IBRD countries), a difference of 3.0%.

The two have swapped places 6 times across 33 shared years of data; in 1992 it was Tonga ahead.

Europe & Central Asia (IDA & IBRD countries) ranks 3rd and Tonga ranks 1st of 35 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	92.4%	98.4%	6.0%	Tonga
2000s	94.9%	97.8%	2.9%	Tonga
2010s	94.9%	97.0%	2.1%	Tonga
2020s	95.6%	99.0%	3.4%	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, bcg, Europe & Central Asia (IDA & IBRD countries) or Tonga?: Tonga, at 99.0% against 96.0% in Europe & Central Asia (IDA & IBRD countries) as of 2024.
What is the difference in immunization, bcg between Europe & Central Asia (IDA & IBRD countries) and Tonga?: 3.0%, 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, bcg?: Europe & Central Asia (IDA & IBRD countries) ranks 3rd and Tonga ranks 1st of 35 groups.
Where does this data come from?: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, BCG (% 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, BCG. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 15 September 2026, from https://health.statizoid.com/compare/immunization-bcg-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-bcg-percent-of-one-year-old-children/europe-and-central-asia-ida-and-ibrd-countries/tonga/">Europe & Central Asia (IDA & IBRD countries) vs Tonga: Immunization, BCG</a> — Statizoid

About this data

Indicator: Immunization, BCG (% of one-year-old children)
Unit: % of one-year-old children
Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 200 places, 8,092 data points, 1980–2024
Last refreshed: 03 September 2026

Child immunization rate, BCG is the percentage of children ages 12-23 months who received vaccinations before 12 months or at any time before the survey for BCG. A child is considered adequately immunized after one dose.