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

Latest (2024)
75.0%
Change on year
down 12.8%
World rank
162nd
of 194 countries
All-time high
99.0%
in 2015
All-time low
72.0%
in 2022
Years of data
10
2015–2024

Share of one-year-olds who received the inactivated polio vaccine in Cook Islands, 2015–2024

0204060801002015201920242015: 99 %2016: 99 %2017: 99 %2018: 99 %2019: 98 %2020: 89 %2021: 81 %2022: 72 %2023: 86 %2024: 75 %

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.

Averages by decade

DecadeAverage LowestHighest Years
2010s 98.8% 98.0% 99.0% 5
2020s 80.6% 72.0% 89.0% 5

Countries ranked near Cook Islands

  1. 160 Mali 76.0% compare
  2. 160 South Africa 76.0% compare
  3. 162 Cameroon 75.0% compare
  4. 162 Comoros 75.0% compare
  5. 162 Ecuador 75.0% compare

See the full ranking of 194 places →

More health data for Cook Islands

All data for Cook Islands →

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

CSV · JSON — 10 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of one-year-olds who received the inactivated polio vaccine
Unit
%
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 1,823 data points, 2015–2024
Last refreshed

Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.