- Population
- total: 7,592 (2025 est.)
male: 3,890
female: 3,702 - Nationality
- noun: Cook Islander(s)
adjective: Cook Islander - Ethnic groups
- Cook Island Maori 77.4%, part Cook Island Maori 8.3%, Fijian 3.6%, New Zealand Maori/European 3.4%, Filipino 2.9%, other Pacific Islands 1.8%, other 2.6% (2021 est.)
- Languages
- English (official) 86.4%, Cook Islands Maori (Rarotongan) (official) 76.2%, other 8.3% (2011 est.)
- Religions
- Protestant 55% (Cook Islands Christian Church 43.1%, Seventh Day Adventist 8.3%, Assemblies of God 3.6%), Roman Catholic 16.7%, Church of Jesus Christ 3.9%, Jehovah's Witness 2.2%, Apostolic Church 2.1%, other 4.5%, none/unspecified 15.6% (2021 est.)
- Age structure
- 0-14 years: 18.2% (male 738/female 671)
15-64 years: 65.9% (male 2,634/female 2,479)
65 years and over: 16% (2024 est.) (male 608/female 631) - Dependency ratios
- total dependency ratio: 53 (2025 est.)
youth dependency ratio: 27.4 (2025 est.)
elderly dependency ratio: 25.5 (2025 est.)
potential support ratio: 3.9 (2025 est.) - Median age
- total: 41.5 years (2025 est.)
male: 40.7 years
female: 41.4 years - Population growth rate
- -2.15% (2025 est.)
- Birth rate
- 11.85 births/1,000 population (2025 est.)
- Death rate
- 9.48 deaths/1,000 population (2025 est.)
- Net migration rate
- -23.84 migrant(s)/1,000 population (2025 est.)
- Population distribution
- most of the population is found on the island of Rarotonga
- Urbanization
- urban population: 76.2% of total population (2023)
rate of urbanization: 0.52% annual rate of change (2020-25 est.) - Sex ratio
- at birth: 1.04 male(s)/female
0-14 years: 1.1 male(s)/female
15-64 years: 1.06 male(s)/female
65 years and over: 0.96 male(s)/female
total population: 1.05 male(s)/female (2024 est.) - Maternal mortality ratio
- 0 deaths/100,000 live births (2023 est.)
- Infant mortality rate
- total: 14.8 deaths/1,000 live births (2025 est.)
male: 19 deaths/1,000 live births
female: 11.1 deaths/1,000 live births - Life expectancy at birth
- total population: 77.6 years (2024 est.)
male: 74.8 years
female: 80.6 years - Total fertility rate
- 1.99 children born/woman (2025 est.)
- Gross reproduction rate
- 0.97 (2025 est.)
- Drinking water source
- improved: urban: urban: NA
improved: rural: rural: NA
improved: total: total: 100% of population (2022 est.)
unimproved: urban: urban: NA
unimproved: rural: rural: NA
unimproved: total: total: 0% of population (2022 est.) - Health expenditure
- Health expenditure (as % of GDP): 3.2% of GDP (2020)
Health expenditure (as % of national budget): 11.9% of national budget (2022 est.) - Physician density
- 1.67 physicians/1,000 population (2020)
- Hospital bed density
- 8.2 beds/1,000 population (2021 est.)
- Sanitation facility access
- improved: total: total: 96.8% of population (2022 est.)
unimproved: total: total: 3.2% of population (2022 est.) - Obesity - adult prevalence rate
- 55.9% (2016)
- Alcohol consumption per capita
- total: 12.97 liters of pure alcohol (2019 est.)
beer: 3.62 liters of pure alcohol (2019 est.)
wine: 2.28 liters of pure alcohol (2019 est.)
spirits: 7.07 liters of pure alcohol (2019 est.)
other alcohols: 0 liters of pure alcohol (2019 est.) - Tobacco use
- total: 24% (2025 est.)
male: 28.6% (2025 est.)
female: 20.1% (2025 est.) - Currently married women (ages 15-49)
- 53.2% (2021 est.)
- Education expenditure
- Education expenditure (% GDP): 3.4% of GDP (2024 est.)
Education expenditure (% national budget): 9.2% national budget (2025 est.) - School life expectancy (primary to tertiary education)
- total: 15 years (2023 est.)
male: 15 years (2023 est.)
female: 15 years (2023 est.)