Population:

20,600,856 (July 2008 est.)

Age structure:

0-14 years: 19.1% (male 2,014,230/female 1,920,604)
15-64 years: 67.5% (male 7,005,588/female 6,895,817)
65 years and over: 13.4% (male 1,226,432/female 1,538,185) (2008 est.)

Median age:

total: 37.4 years
male: 36.6 years
female: 38.3 years (2008 est.)

Population growth rate:

0.801% (2008 est.)

Birth rate:

11.9 births/1,000 population (2008 est.)

Death rate:

7.62 deaths/1,000 population (2008 est.)

Net migration rate:

3.72 migrant(s)/1,000 population (2008 est.)

Sex ratio:

at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.8 male(s)/female
total population: 0.99 male(s)/female (2008 est.)

Infant mortality rate:

total: 4.51 deaths/1,000 live births
male: 4.89 deaths/1,000 live births
female: 4.11 deaths/1,000 live births (2008 est.)

Life expectancy at birth:

total population: 80.73 years
male: 77.86 years
female: 83.75 years (2008 est.)

Total fertility rate:

1.76 children born/woman (2008 est.)

HIV/AIDS - adult prevalence rate:

0.1% (2003 est.)

HIV/AIDS - people living with HIV/AIDS:

14,000 (2003 est.)

HIV/AIDS - deaths:

fewer than 200 (2003 est.)

Nationality:

noun: Australian(s)
adjective: Australian

Ethnic groups:

white 92%, Asian 7%, aboriginal and other 1%

Religions:

Catholic 26.4%, Anglican 20.5%, other Christian 20.5%, Buddhist 1.9%, Muslim 1.5%, other 1.2%, unspecified 12.7%, none 15.3% (2001 Census)

Languages:

English 79.1%, Chinese 2.1%, Italian 1.9%, other 11.1%, unspecified 5.8% (2001 Census)

Literacy:

definition: age 15 and over can read and write
total population: 99%
male: 99%
female: 99% (2003 est.)