Immunization, HepB3 (% of one-year-old children) in Least developed countries
Least developed countries: Immunization, HepB3 (% of one-year-old children) was 74.4% in 2024. ◆ Volatile
Immunization, HepB3 in Least developed countries, 1985–2024
Source: World Health Organization (WHO). Measured in % of one-year-old children.
Analysis
In 2024, immunization, hepb3 in Least developed countries stood at 74.4%.
That represents a change of up 0.3% on the previous year and down 3.3% over ten years.
Over the whole period, immunization, hepb3 in Least developed countries peaked at 78.5% in 2019 and was at its lowest, 0.0%, in 1985.
That places Least developed countries 39th out of 47 groups with data for 2024, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Immunization, HepB3 (% of one-year-old children) in Least developed countries, year by year
| Year | % of one-year-old children | Change |
|---|---|---|
| 1985 | 0.0% | — |
| 1986 | 0.0% | — |
| 1987 | 0.0% | — |
| 1988 | 0.0% | — |
| 1989 | 0.0% | — |
| 1990 | 0.0% | — |
| 1991 | 0.2% | +1801.4% |
| 1992 | 0.0% | -99.6% |
| 1993 | 0.2% | +21199.8% |
| 1994 | 0.2% | +8.3% |
| 1995 | 0.3% | +41.2% |
| 1996 | 0.3% | +9.5% |
| 1997 | 0.3% | +0.2% |
| 1998 | 0.3% | -2.2% |
| 1999 | 0.6% | +101.8% |
| 2000 | 0.7% | +27.1% |
| 2001 | 1.6% | +123.3% |
| 2002 | 13.8% | +757.6% |
| 2003 | 19.8% | +43.0% |
| 2004 | 25.7% | +30.1% |
| 2005 | 36.8% | +43.3% |
| 2006 | 48.7% | +32.3% |
| 2007 | 67.8% | +39.1% |
| 2008 | 69.9% | +3.2% |
| 2009 | 74.0% | +5.9% |
| 2010 | 73.7% | -0.5% |
| 2011 | 73.8% | +0.2% |
| 2012 | 73.9% | +0.1% |
| 2013 | 75.4% | +2.0% |
| 2014 | 76.9% | +2.1% |
| 2015 | 77.5% | +0.7% |
| 2016 | 78.0% | +0.6% |
| 2017 | 78.2% | +0.2% |
| 2018 | 78.2% | +0.1% |
| 2019 | 78.5% | +0.4% |
| 2020 | 76.1% | -3.2% |
| 2021 | 73.1% | -3.9% |
| 2022 | 74.6% | +2.1% |
| 2023 | 74.2% | -0.6% |
| 2024 | 74.4% | +0.3% |
Biggest year-on-year movements
Years where Immunization, HepB3 (% of one-year-old children) in Least developed countries changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1993 | +21199.8% | 0.0% | 0.2% |
| 1991 | +1801.4% | 0.0% | 0.2% |
| 2002 | +757.6% | 1.6% | 13.8% |
| 2001 | +123.3% | 0.7% | 1.6% |
| 1992 | -99.6% | 0.2% | 0.0% |
| 1999 | +101.8% | 0.3% | 0.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0% | 0.0% | 0.0% | 5 |
| 1990s | 0.2% | 0.0% | 0.6% | 10 |
| 2000s | 35.9% | 0.7% | 74.0% | 10 |
| 2010s | 76.4% | 73.7% | 78.5% | 10 |
| 2020s | 74.4% | 73.1% | 76.1% | 5 |
Countries ranked near Least developed countries
More health data for Least developed countries
- Population ages 30-34, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 40-44, female, annual growth rate 3.94 % change on previous year (2025)
- Population ages 35-39, male, per capita 0.0286 units per person (2025)
- Population ages 35-39, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 35-39, male, annual growth rate 2.37 % change on previous year (2025)
- Population ages 35-39, female, per capita 0.03 units per person (2025)
- Population ages 35-39, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 35-39, female, annual growth rate 2.32 % change on previous year (2025)
- Population ages 30-34, male, per capita 0.0339 units per person (2025)
- Population ages 25-29, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is immunization, hepb3 in Least developed countries?
- Immunization, hepb3 in Least developed countries was 74.4% in 2024, according to World Health Organization (WHO).
- What is the highest immunization, hepb3 recorded in Least developed countries?
- The highest recorded value was 78.5% in 2019.
- What is the lowest immunization, hepb3 recorded in Least developed countries?
- The lowest recorded value was 0.0% in 1985.
- How does Least developed countries rank for immunization, hepb3?
- Least developed countries ranks 39th out of 47 groups with data for 2024.
- Is immunization, hepb3 rising or falling in Least developed countries?
- Over the last ten years it is down 3.3%. The long-run trend across the full record is volatile.
- Where does this Least developed countries data come from?
- The figures come from World Health Organization (WHO), published as part of Immunization, HepB3 (% of one-year-old children). Statizoid updates them automatically from the source API.
Download this data
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About this data
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.