Share of one-year-olds who received the inactivated polio vaccine in Cook Islands
Cook Islands: Share of one-year-olds who received the inactivated polio vaccine was 75.0% in 2024. ▼ Falling
Share of one-year-olds who received the inactivated polio vaccine in Cook Islands, 2015–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Cook Islands recorded 75.0% for share of one-year-olds who received the inactivated polio vaccine in 2024.
Compared with earlier readings it is down 12.8% on the previous year and down 24.2% over ten years.
Over the whole period, share of one-year-olds who received the inactivated polio vaccine in Cook Islands peaked at 99.0% in 2015 and was at its lowest, 72.0%, in 2022.
Cook Islands ranks 162nd of 194 countries on this measure, in the bottom quarter.
Share of one-year-olds who received the inactivated polio vaccine in Cook Islands, year by year
| Year | % | Change |
|---|---|---|
| 2015 | 99.0% | — |
| 2016 | 99.0% | +0.0% |
| 2017 | 99.0% | +0.0% |
| 2018 | 99.0% | +0.0% |
| 2019 | 98.0% | -1.0% |
| 2020 | 89.0% | -9.2% |
| 2021 | 81.0% | -9.0% |
| 2022 | 72.0% | -11.1% |
| 2023 | 86.0% | +19.4% |
| 2024 | 75.0% | -12.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 98.8% | 98.0% | 99.0% | 5 |
| 2020s | 80.6% | 72.0% | 89.0% | 5 |
Countries ranked near Cook Islands
More health data for Cook Islands
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- Un projection of annual infant deaths, annual growth rate -100 % change on previous year (2029)
- 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)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2019)
- Measles - number of reported cases, gaps filled 0 (2019)
- Diphtheria - number of reported cases, gaps filled 0 (2019)
- Total tetanus - number of reported cases, gaps filled 0 (2019)
- Pertussis - number of reported cases, gaps filled 0 (2019)
- Infant deaths (UN IGME estimate, 2024), annual growth rate 0 % change on previous year (2024)
Frequently asked questions
- What is share of one-year-olds who received the inactivated polio vaccine in Cook Islands?
- Share of one-year-olds who received the inactivated polio vaccine in Cook Islands was 75.0% 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 who received the inactivated polio vaccine recorded in Cook Islands?
- The highest recorded value was 99.0% in 2015.
- What is the lowest share of one-year-olds who received the inactivated polio vaccine recorded in Cook Islands?
- The lowest recorded value was 72.0% in 2022.
- How does Cook Islands rank for share of one-year-olds who received the inactivated polio vaccine?
- Cook Islands ranks 162nd out of 194 countries with data for 2024.
- Is share of one-year-olds who received the inactivated polio vaccine rising or falling in Cook Islands?
- Over the last ten years it is down 24.2%. The long-run trend across the full record is falling.
- 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 who received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
Download this data
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About this data
Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.