Share of one-year-olds vaccinated against measles in Cook Islands
Cook Islands: Share of one-year-olds vaccinated against measles was 99.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against measles in Cook Islands, 1983–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for share of one-year-olds vaccinated against measles in Cook Islands is 99.0%, measured in 2024. That is the highest value across all 42 years on record.
Compared with earlier readings it is up 17.9% on the previous year and up 1.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against measles in Cook Islands peaked at 99.0% in 1989 and was at its lowest, 61.0%, in 2022.
That places Cook Islands 1st out of 194 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 42 years of available data.
Share of one-year-olds vaccinated against measles in Cook Islands, year by year
| Year | % | Change |
|---|---|---|
| 1983 | 68.0% | — |
| 1984 | 65.0% | -4.4% |
| 1985 | 76.0% | +16.9% |
| 1986 | 70.0% | -7.9% |
| 1987 | 84.0% | +20.0% |
| 1988 | 92.0% | +9.5% |
| 1989 | 99.0% | +7.6% |
| 1990 | 67.0% | -32.3% |
| 1991 | 94.0% | +40.3% |
| 1992 | 87.0% | -7.4% |
| 1993 | 99.0% | +13.8% |
| 1994 | 72.0% | -27.3% |
| 1995 | 96.0% | +33.3% |
| 1996 | 72.0% | -25.0% |
| 1997 | 88.0% | +22.2% |
| 1998 | 97.0% | +10.2% |
| 1999 | 84.0% | -13.4% |
| 2000 | 76.0% | -9.5% |
| 2001 | 83.0% | +9.2% |
| 2002 | 95.0% | +14.5% |
| 2003 | 99.0% | +4.2% |
| 2004 | 99.0% | +0.0% |
| 2005 | 99.0% | +0.0% |
| 2006 | 99.0% | +0.0% |
| 2007 | 98.0% | -1.0% |
| 2008 | 95.0% | -3.1% |
| 2009 | 78.0% | -17.9% |
| 2010 | 99.0% | +26.9% |
| 2011 | 89.0% | -10.1% |
| 2012 | 97.0% | +9.0% |
| 2013 | 97.0% | +0.0% |
| 2014 | 98.0% | +1.0% |
| 2015 | 99.0% | +1.0% |
| 2016 | 90.0% | -9.1% |
| 2017 | 98.0% | +8.9% |
| 2018 | 99.0% | +1.0% |
| 2019 | 99.0% | +0.0% |
| 2020 | 87.0% | -12.1% |
| 2021 | 74.0% | -14.9% |
| 2022 | 61.0% | -17.6% |
| 2023 | 84.0% | +37.7% |
| 2024 | 99.0% | +17.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 79.1% | 65.0% | 99.0% | 7 |
| 1990s | 85.6% | 67.0% | 99.0% | 10 |
| 2000s | 92.1% | 76.0% | 99.0% | 10 |
| 2010s | 96.5% | 89.0% | 99.0% | 10 |
| 2020s | 81.0% | 61.0% | 99.0% | 5 |
Countries ranked near Cook Islands
- 1 Bahrain 99.0% compare
- 1 Brunei Darussalam 99.0% compare
- 1 Cuba 99.0% compare
- 1 Cyprus 99.0% compare
- 1 Guyana 99.0% compare
- 1 Hungary 99.0% compare
- 1 Iran, Islamic Republic of 99.0% compare
- 1 Jordan 99.0% compare
- 1 Luxembourg 99.0% compare
- 1 Maldives 99.0% compare
- 1 Niue 99.0% compare
- 1 Korea, Democratic People's Republic of 99.0% compare
- 1 Oman 99.0% compare
- 1 Portugal 99.0% compare
- 1 Qatar 99.0% compare
- 1 Saint Vincent and the Grenadines 99.0% compare
- 1 Sri Lanka 99.0% compare
- 1 Tonga 99.0% compare
- 1 Turkmenistan 99.0% compare
- 1 Uzbekistan 99.0% compare
More health data for Cook Islands
- Un projection of annual infant deaths, annual growth rate -100 % change on previous year (2029)
- Heat deaths vs projected death rates, annual growth rate 1.79 % change on previous year (2090)
- Number of infants who die before age 1 0 deaths (2100)
- Estimated changes in temperature-related death rates compared to projected death rates 937.6 deaths per 1,000 people (2090)
- Pertussis - number of reported cases, gaps filled 0 (2019)
- Total tetanus - number of reported cases, gaps filled 0 (2019)
- Diphtheria - number of reported cases, gaps filled 0 (2019)
- Measles - number of reported cases, gaps filled 0 (2019)
- Adult obesity vs protein, annual growth rate 0.7172 % change on previous year (2024)
- Child adolescent obesity, annual growth rate 1.05 % change on previous year (2024)
Frequently asked questions
- What is share of one-year-olds vaccinated against measles in Cook Islands?
- Share of one-year-olds vaccinated against measles in Cook Islands was 99.0% 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 Cook Islands?
- The highest recorded value was 99.0% in 1989.
- What is the lowest share of one-year-olds vaccinated against measles recorded in Cook Islands?
- The lowest recorded value was 61.0% in 2022.
- How does Cook Islands rank for share of one-year-olds vaccinated against measles?
- Cook Islands ranks 1st out of 194 countries with data for 2024.
- Is share of one-year-olds vaccinated against measles rising or falling in Cook Islands?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is rising.
- Where does this Cook Islands 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.