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Cook Islands Demographics Profile

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Population8,327 (July 2021 est.)

note: the Cook Islands' Ministry of Finance & Economic Management estimated the resident population to have been 11,700 in September 2016
Nationalitynoun: Cook Islander(s)

adjective: Cook Islander
Ethnic groupsCook Island Maori (Polynesian) 81.3%, part Cook Island Maori 6.7%, other 11.9% (2011 est.)
LanguagesEnglish (official) 86.4%, Cook Islands Maori (Rarotongan) (official) 76.2%, other 8.3% (2011 est.)

note: shares sum to more than 100% because some respondents gave more than one answer on the census
ReligionsProtestant 62.8% (Cook Islands Christian Church 49.1%, Seventh Day Adventist 7.9%, Assemblies of God 3.7%, Apostolic Church 2.1%), Roman Catholic 17%, Mormon 4.4%, other 8%, none 5.6%, no response 2.2% (2011 est.)
Age structure0-14 years: 19.93% (male 901/female 808)

15-24 years: 14.89% (male 684/female 593)

25-54 years: 37.66% (male 1,595/female 1,634)

55-64 years: 14.15% (male 674/female 539)

65 years and over: 13.37% (male 555/female 591) (2020 est.)
Median agetotal: 38.3 years

male: 37.8 years

female: 38.7 years (2020 est.)
Population growth rate-2.46% (2021 est.)
Birth rate12.85 births/1,000 population (2021 est.)
Death rate8.89 deaths/1,000 population (2021 est.)
Net migration rate-28.58 migrant(s)/1,000 population (2021 est.)
Population distributionmost of the population is found on the island of Rarotonga
Urbanizationurban population: 75.7% of total population (2021)

rate of urbanization: 0.52% annual rate of change (2020-25 est.)
Sex ratioat birth: 1.05 male(s)/female

0-14 years: 1.12 male(s)/female

15-24 years: 1.15 male(s)/female

25-54 years: 0.98 male(s)/female

55-64 years: 1.25 male(s)/female

65 years and over: 0.94 male(s)/female

total population: 1.06 male(s)/female (2020 est.)
Infant mortality ratetotal: 16.33 deaths/1,000 live births

male: 20.54 deaths/1,000 live births

female: 11.91 deaths/1,000 live births (2021 est.)
Life expectancy at birthtotal population: 76.89 years

male: 74.05 years

female: 79.88 years (2021 est.)
Total fertility rate2.09 children born/woman (2021 est.)
Drinking water sourceimproved: total: 100% of population

unimproved: total: 0% of population (2017 est.)
Health expenditures2.9% (2018)
Physicians density1.41 physicians/1,000 population (2014)
Sanitation facility accessimproved: total: 97.6% of population

unimproved: total: 2.4% of population (2017 est.)
HIV/AIDS - adult prevalence rateNA
HIV/AIDS - people living with HIV/AIDSNA
HIV/AIDS - deathsNA
Major infectious diseasesdegree of risk: high (2020)

food or waterborne diseases: bacterial diarrhea

vectorborne diseases: malaria
Obesity - adult prevalence rate55.9% (2016)
Education expenditures4.7% of GDP (2016)
School life expectancy (primary to tertiary education)total: 15 years

male: 15 years

female: 14 years (2012)

Source: CIA World Factbook
This page was last updated on September 18, 2021