Population - 20,705,200 (November 19 2006)
Age structure - 0-14 years: 19.6% (male 2,031,313/female 1,936,802)
15-64 years: 67.3% (male 6,881,863/female 6,764,709)
65 years and over: 13.1% (male 1,170,589/female 1,478,806) (2006)
Median age - Total: 36.9 years
Male: 36 years
Female: 37.7 years (2006)
Population growth rate - 1.3% (March 2006)
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: 0.79 male(s)/female
Total population: 0.99 male(s)/female (2006)
Infant mortality rate - Total: 4.63 deaths/1,000 live births
Male: 5.02 deaths/1,000 live births
Female: 4.22 deaths/1,000 live births (2006)
Life expectancy at birth - Total population: 80.5 years
Male: 77.64 years
Female: 83.52 years (2006)
Total Fertility rate - 1.76 children born/woman (2006)
Indigenous Populations - According to the 2001 census data:
Aboriginals: 366,436(2.07% of total respondents),
Torres Strait Islander: 26,088 (0.15%)
Aboriginals and Torres Strait Islander: 17,636 (0.10%).
Australia constitutes a variety of ethnic groups like Caucasians or White Australians , Asian Australians and the Aborigines . In 2005, 92% of the population was the Caucasians or White Australians and in the early 2006 the Caucasian population declined to 91% an it is estimated to decline till it reaches 89% in 2050. The White Australians are largely of British descent (English, Irish, Welsh and Scottish)
Asian Australians represent the second largest group mostly comprising of Chinese, Vietnamese, Indians, Lebanese, Japanese, Korean, Filipino, Pakistani and Laotian. In April 2006, the Asian Australian made up 8% of the total population.
Aborigines represent the smallest group and constitute 1.95% of the population. In 2001 the Aboriginal population stood at 1.04%.
In 2020, Australia is estimated to have a population of 91% as Caucasians or White Australians, 10% as Asian Australians and 2% Aborigines.
Roman Catholic: 26.6%
Other Christian: 20.7%
Not described: 11.7%
Note : The "No Religion" category includes: humanism, Atheism, agnosticism and rationalism.
Primary language- English
Besides English the other common languages are:
Indigenous languages include: Australian Aboriginal languages and Australian Deaf Sign language.
Definition: age 15 and above can read and write
Total population: 99%
Female: 99% (2003)
123independenceday.com gives a summary of the Australian Demographics.