Share of one-year-olds vaccinated against measles in Samoa
Samoa: Share of one-year-olds vaccinated against measles was 85.0% in 2024. ▼ Falling
Share of one-year-olds vaccinated against measles in Samoa, 1982–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Samoa recorded 85.0% for share of one-year-olds vaccinated against measles in 2024.
The figure is down 2.3% on the previous year and unchanged over ten years.
Over the whole period, share of one-year-olds vaccinated against measles in Samoa peaked at 99.0% in 1997 and was at its lowest, 25.0%, in 2004.
Samoa ranks 127th of 194 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 43 years of available data.
Share of one-year-olds vaccinated against measles in Samoa, year by year
| Year | % | Change |
|---|---|---|
| 1982 | 59.0% | — |
| 1983 | 78.0% | +32.2% |
| 1984 | 83.0% | +6.4% |
| 1985 | 81.0% | -2.4% |
| 1986 | 91.0% | +12.3% |
| 1987 | 78.0% | -14.3% |
| 1988 | 75.0% | -3.8% |
| 1989 | 82.0% | +9.3% |
| 1990 | 89.0% | +8.5% |
| 1991 | 77.0% | -13.5% |
| 1992 | 90.0% | +16.9% |
| 1993 | 92.0% | +2.2% |
| 1994 | 94.0% | +2.2% |
| 1995 | 96.0% | +2.1% |
| 1996 | 96.0% | +0.0% |
| 1997 | 99.0% | +3.1% |
| 1998 | 99.0% | +0.0% |
| 1999 | 91.0% | -8.1% |
| 2000 | 93.0% | +2.2% |
| 2001 | 92.0% | -1.1% |
| 2002 | 99.0% | +7.6% |
| 2003 | 62.0% | -37.4% |
| 2004 | 25.0% | -59.7% |
| 2005 | 57.0% | +128.0% |
| 2006 | 54.0% | -5.3% |
| 2007 | 63.0% | +16.7% |
| 2008 | 44.0% | -30.2% |
| 2009 | 45.0% | +2.3% |
| 2010 | 56.0% | +24.4% |
| 2011 | 59.0% | +5.4% |
| 2012 | 76.0% | +28.8% |
| 2013 | 92.0% | +21.1% |
| 2014 | 85.0% | -7.6% |
| 2015 | 75.0% | -11.8% |
| 2016 | 75.0% | +0.0% |
| 2017 | 67.0% | -10.7% |
| 2018 | 40.0% | -40.3% |
| 2019 | 96.0% | +140.0% |
| 2020 | 66.0% | -31.2% |
| 2021 | 62.0% | -6.1% |
| 2022 | 82.0% | +32.3% |
| 2023 | 87.0% | +6.1% |
| 2024 | 85.0% | -2.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 78.4% | 59.0% | 91.0% | 8 |
| 1990s | 92.3% | 77.0% | 99.0% | 10 |
| 2000s | 63.4% | 25.0% | 99.0% | 10 |
| 2010s | 72.1% | 40.0% | 96.0% | 10 |
| 2020s | 76.4% | 62.0% | 87.0% | 5 |
Countries ranked near Samoa
More health data for Samoa
- Un projection of annual infant deaths, annual growth rate 0 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.71 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 708.7 deaths per 1,000 people (2090)
- Number of infants who die before age 1 17 deaths (2100)
- Population ages 0-14, female, annual growth rate -0.5487 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.1843 units per person (2025)
- Population ages 0-14, male, annual growth rate -0.3841 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.1963 units per person (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against measles in Samoa?
- Share of one-year-olds vaccinated against measles in Samoa was 85.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against measles recorded in Samoa?
- The highest recorded value was 99.0% in 1997.
- What is the lowest share of one-year-olds vaccinated against measles recorded in Samoa?
- The lowest recorded value was 25.0% in 2004.
- How does Samoa rank for share of one-year-olds vaccinated against measles?
- Samoa ranks 127th out of 194 countries with data for 2024.
- Is share of one-year-olds vaccinated against measles rising or falling in Samoa?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Samoa data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against measles. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the measles vaccine in a given year.