Population: 21,262,641 (July 2009 est.)
Age structure: 0-14 years: 18.6% (male 2,026,975/female 1,923,828) 15-64 years: 67.9% (male 7,318,743/female 7,121,613) 65 years and over: 13.5% (male 1,306,329/female 1,565,153) (2009 est.)
Median age: total: 37.3 years male: 36.6 years female: 38.1 years (2009 est.)
Population growth rate: 1.195% (2009 est.)
Death rate: 6.68 deaths/1,000 population (2008 est.)
Net migration rate: 6.23 migrant(s)/1,000 population (2009 est.)
Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.03 male(s)/female 65 years and over: 0.84 male(s)/female total population: 1 male(s)/female (2009 est.)
Infant mortality rate: total: 4.75 deaths/1,000 live births male: 5.08 deaths/1,000 live births female: 4.4 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 81.63 years male: 79.25 years female: 84.14 years (2009 est.)
Total fertility rate: 1.78 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 0.2% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 18,000 (2007 est.)
HIV/AIDS - deaths: fewer than 100 200 (2007 est.)
Nationality: noun: Australian(s) adjective: Australian
Ethnic groups: white 92%, Asian 7%, aboriginal and other 1%
Religions: Catholic 25.8%, Anglican 18.7%, Uniting Church 5.7%, Presbyterian and Reformed 3%, Eastern Orthodox 2.7%, other Christian 7.9%, Buddhist 2.1%, Muslim 1.7%, other 2.4%, unspecified 11.3%, none 18.7% (2006 Census)
Languages: English 78.5%, Chinese 2.5%, Italian 1.6%, Greek 1.3%, Arabic 1.2%, Vietnamese 1%, other 8.2%, unspecified 5.7% (2006 Census)
Literacy: definition: age 15 and over can read and write total population: 99% male: 99% female: 99% (2003 est.)