Population: 22,665,345 (July 2009 est.)
Age structure: 0-14 years: 21.3% (male 2,440,439/female 2,376,557) 15-64 years: 69.4% (male 7,776,889/female 7,945,399) 65 years and over: 9.4% (male 820,504/female 1,305,557) (2009 est.)
Median age: total: 33.5 years male: 32.1 years female: 34.9 years (2009 est.)
Population growth rate: 0.42% (2009 est.)
Death rate: 7.29 deaths/1,000 population (2008 est.)
Net migration rate: -0.09 migrant(s)/1,000 population (2009 est.)
Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.03 male(s)/female 15-64 years: 0.98 male(s)/female 65 years and over: 0.63 male(s)/female total population: 0.95 male(s)/female (2009 est.)
Infant mortality rate: total: 51.34 deaths/1,000 live births male: 58.64 deaths/1,000 live births female: 43.6 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 63.81 years male: 61.23 years female: 66.53 years (2009 est.)
Total fertility rate: 1.96 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: NA
HIV/AIDS - people living with HIV/AIDS: NA
HIV/AIDS - deaths: NA
Nationality: noun: Korean(s) adjective: Korean
Ethnic groups: racially homogeneous; there is a small Chinese community and a few ethnic Japanese
Religions: traditionally Buddhist and Confucianist, some Christian and syncretic Chondogyo (Religion of the Heavenly Way) note: autonomous religious activities now almost nonexistent; government-sponsored religious groups exist to provide illusion of religious freedom
Languages: Korean
Literacy: definition: age 15 and over can read and write total population: 99% male: 99% female: 99%