Polio number unvaccinated in Cook Islands
Cook Islands: Polio number unvaccinated was 26.32 in 2023. ◆ Volatile
Polio number unvaccinated in Cook Islands, 1980–2023
Source: Our World in Data.
Analysis
The most recent figure for polio number unvaccinated in Cook Islands is 26.32, measured in 2023.
The figure is down 32.1% on the previous year and up 330.1% over ten years.
Over the whole period, polio number unvaccinated in Cook Islands peaked at 273.89 in 1980 and was at its lowest, 2.48, in 2018.
Cook Islands ranks 183rd of 194 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Polio number unvaccinated in Cook Islands, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 273.89 | — |
| 1981 | 230.88 | -15.7% |
| 1982 | 189.2 | -18.1% |
| 1983 | 230.02 | +21.6% |
| 1984 | 16.92 | -92.6% |
| 1985 | 37.17 | +119.7% |
| 1986 | 74.16 | +99.5% |
| 1987 | 75.06 | +1.2% |
| 1988 | 26.16 | -65.1% |
| 1989 | 50.05 | +91.3% |
| 1990 | 79.39 | +58.6% |
| 1991 | 62.53 | -21.2% |
| 1992 | 64.09 | +2.5% |
| 1993 | 4.97 | -92.2% |
| 1994 | 68.88 | +1285.9% |
| 1995 | 34.09 | -50.5% |
| 1996 | 121.25 | +255.7% |
| 1997 | 33.39 | -72.5% |
| 1998 | 30.38 | -9.0% |
| 1999 | 30.24 | -0.5% |
| 2000 | 27.52 | -9.0% |
| 2001 | 32 | +16.3% |
| 2002 | 9.09 | -71.6% |
| 2003 | 15.05 | +65.6% |
| 2004 | 3.04 | -79.8% |
| 2005 | 3.02 | -0.7% |
| 2006 | 3.05 | +1.0% |
| 2007 | 3.09 | +1.3% |
| 2008 | 3.09 | +0.0% |
| 2009 | 55.62 | +1700.0% |
| 2010 | 3.14 | -94.4% |
| 2011 | 22.26 | +608.9% |
| 2012 | 6.36 | -71.4% |
| 2013 | 6.12 | -3.8% |
| 2014 | 2.91 | -52.5% |
| 2015 | 2.81 | -3.4% |
| 2016 | 2.69 | -4.3% |
| 2017 | 2.56 | -4.8% |
| 2018 | 2.48 | -3.1% |
| 2019 | 4.82 | +94.4% |
| 2020 | 25.41 | +427.2% |
| 2021 | 41.61 | +63.8% |
| 2022 | 38.76 | -6.8% |
| 2023 | 26.32 | -32.1% |
Biggest year-on-year movements
Years where Polio number unvaccinated in Cook Islands 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 |
|---|---|---|---|
| 2009 | +1700.0% | 3.09 | 55.62 |
| 1994 | +1285.9% | 4.97 | 68.88 |
| 2011 | +608.9% | 3.14 | 22.26 |
| 2020 | +427.2% | 4.82 | 25.41 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 120.35 | 16.92 | 273.89 | 10 |
| 1990s | 52.92 | 4.97 | 121.25 | 10 |
| 2000s | 15.46 | 3.02 | 55.62 | 10 |
| 2010s | 5.62 | 2.48 | 22.26 | 10 |
| 2020s | 33.02 | 25.41 | 41.61 | 4 |
Countries ranked near Cook Islands
- 180 Saint Lucia 60.63 compare
- 181 Maldives 59.3 compare
- 182 Seychelles 54.12 compare
- 184 Tonga 23.98 compare
- 185 Saint Kitts and Nevis 22.36 compare
- 186 Antigua and Barbuda 22.18 compare
More health data for Cook Islands
- Un projection of annual infant deaths 0 (2100)
- Heat deaths vs projected death rates, annual growth rate 1.79 % change on previous year (2090)
- Un projection of annual infant deaths, annual growth rate -100 % change on previous year (2029)
- Total tetanus - number of reported cases, gaps filled 0 (2019)
- 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)
- Vaccination coverage dpt by extreme poverty 95 (2025)
- Perception of the safety of vaccines vs vaccine coverage 95 (2025)
- Vaccination coverage by income in 95 (2025)
Frequently asked questions
- What is polio number unvaccinated in Cook Islands?
- Polio number unvaccinated in Cook Islands was 26.32 in 2023, according to Our World in Data.
- What is the highest polio number unvaccinated recorded in Cook Islands?
- The highest recorded value was 273.89 in 1980.
- What is the lowest polio number unvaccinated recorded in Cook Islands?
- The lowest recorded value was 2.48 in 2018.
- How does Cook Islands rank for polio number unvaccinated?
- Cook Islands ranks 183rd out of 194 countries with data for 2023.
- Is polio number unvaccinated rising or falling in Cook Islands?
- Over the last ten years it is up 330.1%. The long-run trend across the full record is volatile.
- Where does this Cook Islands data come from?
- The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.
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