Marshall Islands: Immunization, HepB3 (% of one-year-old children)

Key figures

What the numbers say

In 2024, Marshall Islands' immunization, HepB3 (% of one-year-old children) did not change 0 percentage points on 2023 (from 89% to 89%).

Across the 30 yearly changes before that (1994 to 2023), the average change was +2.4 percentage points and a typical year strayed about 13.54 percentage points from that (the standard deviation). This year's change was 0.2 standard deviations below that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.

On record, the biggest yearly rise was 38 percentage points in 2001 and the biggest yearly fall was 42 percentage points in 2000. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.

From 2015 to 2024 the straight-line trend is upward, about 1.16 percentage points a year. A straight line explains 52% of the movement over 10 observed years.

Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.

How it compares

In 2024, Marshall Islands had the 99th highest value of the 183 economies reporting that year. Higher is not always better: for some indicators the lowest value is the one to aim for. See the full ranking.

Closest to Marshall Islands in the 2024 ranking

• Togo — 98th of 183: 90%
• Burundi — 99th of 183: 89%
• Colombia — 100th of 183: 89%
• Netherlands — 102nd of 183: 89%
• New Zealand — 103rd of 183: 89%
• Belize — 104th of 183: 88%

What this measures

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.

Limitations: In many developing countries a lack of precise information on the size of the cohort of one-year-old children makes immunization coverage difficult to estimate from program statistics.

Regional and income-group figures are computed by the World Bank as a weighted average.

All 36 values

Immunization, HepB3 (% of one-year-old children) in nearby economies

• Australia — 95% (2024)
• Brunei Darussalam — 99% (2024)
• Cambodia — 83% (2024)
• China — 96% (2024)
• Fiji — 93% (2024)
• Indonesia — 78% (2024)
• Kiribati — 94% (2024)
• Korea, Dem. People's Rep. — 99% (2024)
• Korea, Rep. — 97% (2024)
• Lao PDR

More health data for Marshall Islands

• Population ages 00-04, female (% of female population) — 10.11% (2025)
• Population ages 00-04, male (% of male population) — 10.3% (2025)
• Population ages 0-14, female — 5,980 (2025)
• Population ages 0-14, female (% of female population) — 33.75% (2025)
• Population ages 0-14, male — 6,318 (2025)
• Population ages 0-14, male (% of male population) — 34.04% (2025)
• Population ages 0-14, total — 12,298 (2025)
• Population ages 0-14 (% of total population) — 33.89% (2025)
• Population ages 05-09, female (% of female population)

Reading data like this

• Where to find free public data, and how to check it before you trust it — 2 min read
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• Real change or random noise? A plain guide to reading your numbers — 2 min read

Questions people ask

What is Marshall Islands's immunization, HepB3 (% of one-year-old children)?

89% in 2024, according to the World Bank (World Development Indicators).

How has it changed since 1989?

It is up 86 percentage points from 3% in 1989. The highest value was 99% in 2009 and the lowest 3% in 1989.

How does Marshall Islands rank?

99th highest of 183 economies with data for 2024.

Is the latest change in immunization, HepB3 (% of one-year-old children) unusual for Marshall Islands?

In 2024, Marshall Islands' immunization, HepB3 (% of one-year-old children) did not change 0 percentage points on 2023 (from 89% to 89%). Across the 30 yearly changes before that (1994 to 2023), the average change was +2.4 percentage points and a typical year strayed about 13.54 percentage points from that (the standard deviation). This year's change was 0.2 standard deviations below that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.

Source

World Bank, World Development Indicators, indicator SH.IMM.HEPB, licensed CC BY 4.0. Original source: World Health Organization (WHO), uri: http://www.who.int/immunization/monitoring_surveillance/en/; UN Children's Fund (UNICEF) Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.

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