!!!Cook Islands: People & Society ||Population|9,556 (July 2016 est.) \\ ''__note__'': the Cook Islands' Ministry of Finance & Economic Management estimated the resident population to have been 12,000 in December 2015 \\ ||Nationality|''noun'': Cook Islander(s) \\ ''adjective'': Cook Islander \\ ||Ethnic groups|Cook Island Maori (Polynesian) 81.3%, part Cook Island Maori 6.7%, other 11.9% (2011 est.) ||Languages|English (official) 86.4%, Cook Islands Maori (Rarotongan) (official) 76.2%, other 8.3% \\ ''__note__'': shares sum to more than 100% because some respondents gave more than one answer on the census (2011 est.) \\ ||Religions|Protestant 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 structure|''0-14 years'': 21.61% (male 1,093/female 972) \\ ''15-24 years'': 17.2% (male 877/female 767) \\ ''25-54 years'': 38.08% (male 1,822/female 1,817) \\ ''55-64 years'': 11.34% (male 584/female 500) \\ ''65 years and over'': 11.76% (male 554/female 570) (2016 est.) \\ ||Median age|''total'': 35.9 years \\ ''male'': 35.3 years \\ ''female'': 36.4 years (2016 est.) \\ ||Population growth rate|-2.88% (2016 est.) ||Birth rate|14.1 births/1,000 population (2016 est.) ||Death rate|8.3 deaths/1,000 population (2016 est.) ||Urbanization|''urban population'': 74.5% of total population (2015) \\ ''rate of urbanization'': 0.88% annual rate of change (2010-15 est.) \\ ||Sex ratio|''at birth'': 1.04 male(s)/female \\ ''0-14 years'': 1.12 male(s)/female \\ ''15-24 years'': 1.14 male(s)/female \\ ''25-54 years'': 1 male(s)/female \\ ''55-64 years'': 1.17 male(s)/female \\ ''65 years and over'': 0.97 male(s)/female \\ ''total population'': 1.07 male(s)/female (2016 est.) \\ ||Infant mortality rate|''total'': 13.5 deaths/1,000 live births \\ ''male'': 16.3 deaths/1,000 live births \\ ''female'': 10.4 deaths/1,000 live births (2016 est.) \\ ||Life expectancy at birth|''total population'': 75.8 years \\ ''male'': 73 years \\ ''female'': 78.8 years (2016 est.) \\ ||Total fertility rate|2.21 children born/woman (2016 est.) ||Health expenditures|3.4% of GDP (2014) ||Physicians density|1.33 physicians/1,000 population (2009) ||Drinking water source|''improved'': \\ urban: 99.9% of population \\ rural: 99.9% of population \\ total: 99.9% of population \\ ''unimproved'': \\ urban: 0.1% of population \\ rural: 0.1% of population \\ total: 0.1% of population (2015 est.) \\ ||Sanitation facility access|''improved'': \\ urban: 97.6% of population \\ rural: 97.6% of population \\ total: 97.6% of population \\ ''unimproved'': \\ urban: 2.4% of population \\ rural: 2.4% of population \\ total: 2.4% of population (2015 est.) \\ ||HIV/AIDS - adult prevalence rate|NA ||HIV/AIDS - people living with HIV/AIDS|NA ||HIV/AIDS - deaths|NA ||Obesity - adult prevalence rate|50% (2014) ||Education expenditures|4% of GDP (2015) ||School life expectancy (primary to tertiary education)|''total'': 15 years \\ ''male'': 14 years \\ ''female'': 17 years (2014) \\