Share of one-year-olds vaccinated against hepatitis B in Cook Islands
Cook Islands: Share of one-year-olds vaccinated against hepatitis B was 75.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against hepatitis B in Cook Islands, 1990–2024
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 hepatitis b in Cook Islands is 75.0%, measured 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 vaccinated against hepatitis b in Cook Islands peaked at 99.0% in 1997 and was at its lowest, 65.0%, in 1996.
Cook Islands ranks 151st of 189 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 35 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 83.6% | 65.0% | 99.0% | 10 |
| 2000s | 95.4% | 82.0% | 99.0% | 10 |
| 2010s | 98.1% | 93.0% | 99.0% | 10 |
| 2020s | 80.6% | 72.0% | 89.0% | 5 |
Countries ranked near Cook Islands
More reference data data for Cook Islands
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0199 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0034 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0002 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.003 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0034 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.001 (2050)
- Emission Totals - Direct emissions (N2O) - Manure left on Pasture 0.0007 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 29.94 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Enteric Fermentat 2.56 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure left on Pasture 0.2524 (2050)
Frequently asked questions
- What is share of one-year-olds vaccinated against hepatitis b in Cook Islands?
- Share of one-year-olds vaccinated against hepatitis b 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 vaccinated against hepatitis b recorded in Cook Islands?
- The highest recorded value was 99.0% in 1997.
- What is the lowest share of one-year-olds vaccinated against hepatitis b recorded in Cook Islands?
- The lowest recorded value was 65.0% in 1996.
- How does Cook Islands rank for share of one-year-olds vaccinated against hepatitis b?
- Cook Islands ranks 151st out of 189 countries with data for 2024.
- Is share of one-year-olds vaccinated against hepatitis b 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 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 hepatitis B. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 35 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had three doses of the hepatitis B vaccine in a given year.