Age structure: 0-14 years: 15% (male 9,575,637; female 9,105,713) 15-64 years: 68% (male 43,363,054; female 42,980,253) 65 years and over: 17% (male 9,024,015; female 12,501,304) (2000 est.)
Population growth rate: 0.18% (2000 est.)
Birth rate: 9.96 births/1,000 population (2000 est.)
Death rate: 8.15 deaths/1,000 population (2000 est.)
Net migration rate: 0 migrant(s)/1,000 population (2000 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.01 male(s)/female 65 years and over: 0.72 male(s)/female total population: 0.96 male(s)/female (2000 est.)
Infant mortality rate: 3.91 deaths/1,000 live births (2000 est.)
Life expectancy at birth: total population: 80.7 years male: 77.51 years female: 84.05 years (2000 est.)
Total fertility rate: 1.41 children born/woman (2000 est.)
Nationality: noun: Japanese (singular and plural) adjective: Japanese
Ethnic groups: Japanese 99.4%, other 0.6% (mostly Korean)
Religions: observe both Shinto and Buddhist 84%, other 16% (including Christian 0.7%)
Languages: JapaneseLanguage
Literacy: definition: age 15 and over can read and write total population: 99% (1970 est.) male: NA% female: NA%