Educational attainment rate, completed lower secondary education or in Cook Islands

Cook Islands: Educational attainment rate, completed lower secondary education or was 92.3% in 2020. ▲ Rising

Latest (2020)
92.3%
Change on year
up 0.0%
World rank
1st
of 1 countries
All-time high
92.3%
in 2020
All-time low
9.7%
in 1971
Years of data
5
1971–2020

Educational attainment rate, completed lower secondary education or in Cook Islands, 1971–2020

0204060801001971199520201971: 9.7 %2006: 58.6 %2016: 87.6 %2019: 92.3 %2020: 92.3 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

Cook Islands recorded 92.3% for educational attainment rate, completed lower secondary education or in 2020. That is the highest value across all 5 years on record.

The figure is up 57.5% over ten years.

Over the whole period, educational attainment rate, completed lower secondary education or in Cook Islands peaked at 92.3% in 2020 and was at its lowest, 9.7%, in 1971.

Educational attainment rate, completed lower secondary education or in Cook Islands, year by year

Annual values for Educational attainment rate, completed lower secondary education or higher, population 25+ years, female (%) in Cook Islands, 1971 to 2020.
Year % Change
1971 9.7%
2006 58.6% +504.0%
2016 87.6% +49.5%
2019 92.3% +5.3%
2020 92.3% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 9.7% 9.7% 9.7% 1
2000s 58.6% 58.6% 58.6% 1
2010s 89.9% 87.6% 92.3% 2
2020s 92.3% 92.3% 92.3% 1

Countries ranked near Cook Islands

  1. 1 Uzbekistan 100.0% compare
  2. 2 Czechia 99.9% compare
  3. 3 United Kingdom of Great Britain and Northern Ireland 99.8% compare
  4. 4 Iceland 99.7% compare

See the full ranking of 132 places →

More education data for Cook Islands

All data for Cook Islands →

Frequently asked questions

What is educational attainment rate, completed lower secondary education or in Cook Islands?
Educational attainment rate, completed lower secondary education or in Cook Islands was 92.3% in 2020, according to UNESCO Institute for Statistics.
What is the highest educational attainment rate, completed lower secondary education or recorded in Cook Islands?
The highest recorded value was 92.3% in 2020.
What is the lowest educational attainment rate, completed lower secondary education or recorded in Cook Islands?
The lowest recorded value was 9.7% in 1971.
How does Cook Islands rank for educational attainment rate, completed lower secondary education or?
Cook Islands ranks 1st out of 1 countries with data for 2020.
Is educational attainment rate, completed lower secondary education or rising or falling in Cook Islands?
Over the last ten years it is up 57.5%. The long-run trend across the full record is rising.
Where does this Cook Islands data come from?
The figures come from UNESCO Institute for Statistics, published as part of Educational attainment rate, completed lower secondary education or higher, population 25+ years, female (%). Statizoid updates them automatically from the source API.

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Educational attainment rate, completed lower secondary education or in Cook Islands. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://education.statizoid.com/stat/educational-attainment-rate-completed-lower-secondary-education-or-higher-population-25-3/cook-islands/

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About this data

Indicator
Educational attainment rate, completed lower secondary education or higher, population 25+ years, female (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
132 places, 1,881 data points, 1970–2024
Last refreshed

February 2026 Data Release