Population: 127,078,679 (July 2009 est.)
Age structure: 0-14 years: 13.5% (male 8,804,465/female 8,344,800) 15-64 years: 64.3% (male 41,187,425/female 40,533,876) 65 years and over: 22.2% (male 11,964,694/female 16,243,419) (2009 est.)
Median age: total: 44.2 years male: 42.4 years female: 46.1 years (2009 est.)
Population growth rate: -0.191% (2009 est.)
Death rate: 9.26 deaths/1,000 population (2008 est.)
Net migration rate: NA (2009 est.)
Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.74 male(s)/female total population: 0.95 male(s)/female (2009 est.)
Infant mortality rate: total: 2.79 deaths/1,000 live births male: 2.99 deaths/1,000 live births female: 2.58 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 82.12 years male: 78.8 years female: 85.62 years (2009 est.)
Total fertility rate: 1.21 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: less than 0.1% (2003 est.)
HIV/AIDS - people living with HIV/AIDS: 9,600 (2007 est.)
HIV/AIDS - deaths: fewer than 100 (2007 est.)
Nationality: noun: Japanese (singular and plural) adjective: Japanese
Ethnic groups: Japanese 98.5%, Koreans 0.5%, Chinese 0.4%, other 0.6% note: up to 230,000 Brazilians of Japanese origin migrated to Japan in the 1990s to work in industries; some have returned to Brazil (2004)
Religions: Shintoism 83.9%, Buddhism 71.4%, Christianity 2%, other 7.8% note: total adherents exceeds 100% because many people belong to both Shintoism and Buddhism (2005)
Languages: Japanese
Literacy: definition: age 15 and over can read and write total population: 99% male: 99% female: 99% (2002)