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Tonga Demographics Profile 2017

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Population106,513 (July 2016 est.)
Age structure0-14 years: 34.47% (male 18,656/female 18,061)
15-24 years: 19.57% (male 10,671/female 10,169)
25-54 years: 33.92% (male 18,045/female 18,080)
55-64 years: 5.7% (male 3,000/female 3,072)
65 years and over: 6.35% (male 3,064/female 3,695) (2016 est.)
Dependency ratiostotal dependency ratio: 74.3
youth dependency ratio: 64.1
elderly dependency ratio: 10.2
potential support ratio: 9.8 (2015 est.)
Median agetotal: 22.6 years
male: 22.2 years
female: 23.1 years (2016 est.)
Population growth rate-0.01% (2016 est.)
Birth rate22.6 births/1,000 population (2016 est.)
Death rate4.9 deaths/1,000 population (2016 est.)
Net migration rate-17.8 migrant(s)/1,000 population (2016 est.)
Urbanizationurban population: 23.7% of total population (2015)
rate of urbanization: 0.71% annual rate of change (2010-15 est.)
Major cities - populationNUKU'ALOFA 25,000 (2014)
Sex ratioat birth: 1.03 male(s)/female
0-14 years: 1.03 male(s)/female
15-24 years: 1.05 male(s)/female
25-54 years: 1 male(s)/female
55-64 years: 0.98 male(s)/female
65 years and over: 0.84 male(s)/female
total population: 1.01 male(s)/female (2016 est.)
Mother's mean age at first birth24.9 years
note: median age at first birth among women 25-49 (2012 est.)
Infant mortality ratetotal: 11.6 deaths/1,000 live births
male: 12 deaths/1,000 live births
female: 11.2 deaths/1,000 live births (2016 est.)
Life expectancy at birthtotal population: 76.2 years
male: 74.7 years
female: 77.8 years (2016 est.)
Total fertility rate3.18 children born/woman (2016 est.)
Contraceptive prevalence rate34.1% (2012)
HIV/AIDS - adult prevalence rateNA
HIV/AIDS - people living with HIV/AIDSNA
HIV/AIDS - deathsNA
Drinking water sourceimproved:
urban: 99.7% of population
rural: 99.6% of population
total: 99.6% of population
unimproved:
urban: 0.3% of population
rural: 0.4% of population
total: 0.4% of population (2015 est.)
Sanitation facility accessimproved:
urban: 97.6% of population
rural: 89% of population
total: 91% of population
unimproved:
urban: 2.4% of population
rural: 11% of population
total: 9% of population (2015 est.)
Major infectious diseasesnote: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)
Nationalitynoun: Tongan(s)
adjective: Tongan
Ethnic groupsTongan 96.6%, part-Tongan 1.7%, other 1.7%, unspecified 0.03% (2006 est.)
ReligionsProtestant 64.9% (includes Free Wesleyan Church 37.3%, Free Church of Tonga 11.4%, Church of Tonga 7.2%, Tokaikolo Christian Church 2.6%, Assembly of God 2.3%, Seventh Day Adventist 2.2%, Constitutional Church of Tonga 0.9%, Anglican 0.8% and Full Gospel Church 0.2%), Mormon 16.8%, Roman Catholic 15.6%, other 1.1%, none 0.03%, unspecified 1.7% (2006 est.)
LanguagesEnglish and Tongan 87%, Tongan (official) 10.7%, English (official) 1.2%, other 1.1%, unspecified 0.03% (2006 est.)
Literacydefinition: can read and write Tongan and/or English
total population: 99.4%
male: 99.3%
female: 99.4% (2015 est.)
Maternal mortality rate124 deaths/100,000 live births (2015 est.)
Children under the age of 5 years underweight1.9% (2012)
Health expenditures5.2% of GDP (2014)
Physicians density0.56 physicians/1,000 population (2010)
Hospital bed density2.6 beds/1,000 population (2010)
Obesity - adult prevalence rate41.1% (2014)

Source: CIA World Factbook
This page was last updated on July 9, 2017