Net migration rate: 0 migrant(s)/1,000 population (2000 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 0.97 male(s)/female 65 years and over: 0.83 male(s)/female total population: 0.99 male(s)/female (2000 est.)
Infant mortality rate: 14.45 deaths/1,000 live births (2000 est.)
Life expectancy at birth: total population: 67.94 years male: 65.54 years female: 70.45 years (2000 est.)
Total fertility rate: 3.2 children born/woman (2000 est.)
Nationality: noun: Tongan(s) adjective: Tongan
Ethnic groups: Polynesian, Europeans about 300
Religions: Christian (Free Wesleyan Church claims over 30,000 adherents)
Languages: Tongan, English
Literacy: definition: can read and write Tongan and/or English total population: 98.5% male: 98.4% female: 98.7% (1996 est.)