Which has higher immunization, pol3, Brunei Darussalam or Portugal?

Brunei Darussalam, at 99.0% against 99.0% in Portugal as of 2024.

What is the difference in immunization, pol3 between Brunei Darussalam and Portugal?

0.0%, with Brunei Darussalam ahead.

How many years of comparable data are there for Brunei Darussalam and Portugal?

45 years are reported by both, from 1980 to 2024.

Where does this data come from?

WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Brunei Darussalam vs Portugal: Immunization, Pol3

Brunei Darussalam

99.0%

in 2024

Portugal

99.0%

in 2024

Brunei Darussalam rank

1st

Portugal rank

1st

Immunization, Pol3 over time

Brunei Darussalam
Portugal

How they compare

Brunei Darussalam currently reports 99.0% against 99.0% in Portugal, a difference of 0.0%.

The two have swapped places 7 times across 45 shared years of data; in 1980 it was Brunei Darussalam ahead.

Brunei Darussalam ranks 1st and Portugal ranks 1st of 193 countries.

Brunei Darussalam has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Brunei Darussalam	Portugal	Difference	Ahead
1980s	90.9%	45.0%	45.9%	Brunei Darussalam
1990s	97.1%	94.1%	3.0%	Brunei Darussalam
2000s	96.6%	95.8%	0.8%	Brunei Darussalam
2010s	98.0%	98.0%	0.0%	—
2020s	99.0%	99.0%	0.0%	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, pol3, Brunei Darussalam or Portugal?: Brunei Darussalam, at 99.0% against 99.0% in Portugal as of 2024.
What is the difference in immunization, pol3 between Brunei Darussalam and Portugal?: 0.0%, with Brunei Darussalam ahead.
How many years of comparable data are there for Brunei Darussalam and Portugal?: 45 years are reported by both, from 1980 to 2024.
How do Brunei Darussalam and Portugal rank globally for immunization, pol3?: Brunei Darussalam ranks 1st and Portugal ranks 1st of 193 countries.
Where does this data come from?: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brunei Darussalam vs Portugal: Immunization, Pol3. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 16 September 2026, from https://health.statizoid.com/compare/immunization-pol3-percent-of-one-year-old-children/brunei-darussalam/portugal/

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<a href="https://health.statizoid.com/compare/immunization-pol3-percent-of-one-year-old-children/brunei-darussalam/portugal/">Brunei Darussalam vs Portugal: Immunization, Pol3</a> — Statizoid

About this data

Indicator: Immunization, Pol3 (% 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: 236 places, 9,949 data points, 1980–2024
Last refreshed: 03 September 2026

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