What is the difference in share of one-year-olds vaccinated against hepatitis b between Antigua and Barbuda and Portugal?

0.0%, with Antigua and Barbuda ahead.

How many years of comparable data are there for Antigua and Barbuda and Portugal?

24 years are reported by both, from 2001 to 2024.

Antigua and Barbuda vs Portugal: Share of one-year-olds vaccinated against hepatitis B

Antigua and Barbuda

99.0%

in 2024

Portugal

99.0%

in 2024

Antigua and Barbuda rank

1st

Portugal rank

1st

Share of one-year-olds vaccinated against hepatitis B over time

Antigua and Barbuda
Portugal

How they compare

Antigua and Barbuda currently reports 99.0% against 99.0% in Portugal, a difference of 0.0%.

The two have swapped places 7 times across 24 shared years of data; in 2001 it was Antigua and Barbuda ahead.

Antigua and Barbuda ranks 1st and Portugal ranks 1st of 189 countries.

Across the 3 decades both report, Antigua and Barbuda averaged higher in 1 and Portugal in 2.

Head to head by decade

Decade	Antigua and Barbuda	Portugal	Difference	Ahead
2000s	98.0%	91.2%	6.8%	Antigua and Barbuda
2010s	97.3%	97.8%	0.5%	Portugal
2020s	96.6%	99.0%	2.4%	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of one-year-olds vaccinated against hepatitis b, Antigua and Barbuda or Portugal?: Antigua and Barbuda, at 99.0% against 99.0% in Portugal as of 2024.
What is the difference in share of one-year-olds vaccinated against hepatitis b between Antigua and Barbuda and Portugal?: 0.0%, with Antigua and Barbuda ahead.
How many years of comparable data are there for Antigua and Barbuda and Portugal?: 24 years are reported by both, from 2001 to 2024.
How do Antigua and Barbuda and Portugal rank globally for share of one-year-olds vaccinated against hepatitis b?: Antigua and Barbuda ranks 1st and Portugal ranks 1st 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 Share of one-year-olds vaccinated against hepatitis B. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Antigua and Barbuda vs Portugal: Share of one-year-olds vaccinated against hepatitis B. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 28 August 2026, from https://reference.statizoid.com/compare/immunization-hepb3-of-one-year-old-children/antigua-and-barbuda/portugal/

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<a href="https://reference.statizoid.com/compare/immunization-hepb3-of-one-year-old-children/antigua-and-barbuda/portugal/">Antigua and Barbuda vs Portugal: Share of one-year-olds vaccinated against hepatitis B</a> — Statizoid

About this data

Indicator: Share of one-year-olds vaccinated against hepatitis 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: 189 places, 4,723 data points, 1989–2024
Last refreshed: 28 August 2026

Share of one-year-olds who have had three doses of the hepatitis B vaccine in a given year.