National Profiles > > Regions > Australia/New Zealand > Australia
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Region: Australia/New Zealand
2012 Population1: 22,723,900
Total Area (sq. miles)1: 2,966,153
Life Expectancy at Birth1: 82.0
Gross National Income Per Capita (PPP 2012 US $)1: $41,570
Official Religion(s) Or Church(es) 2: None

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Largest Religious Groups (Australia)


Government Regulation of Religion Index: Average government regulation score over ARDA researchers' coding of 2003, 2005 and 2008 U.S. Department of State's International Religious Freedom Reports (0-10, lower means less regulation) Government Favoritism of Religion Index: Average government favoritism score over ARDA researchers' coding of 2003, 2005 and 2008 U.S. Department of State's International Religious Freedom Reports (0-10, lower means less favoritism) Social Regulation of Religion Index: Average social regulation score over ARDA researchers' coding of 2003, 2005 and 2008 U.S. Department of State's International Religious Freedom Reports (0-10, lower means less regulation) Religious Persecution: Average number of people physically abused or displaced due to their religion according to U.S. Department of State's 2005 and 2008 International Religious Freedom Reports (as coded by ARDA researchers). 0 = None; 1 = 1-10; 2 = 11-20; 3 = 21-100; 4 = 101-500; 5 = 501-1000; 6 = 1001-5000; 7 = 5001-10000; 8 = 10001-50000; 9 = 50001-100000; 10 = greater than 100000.


Australia officially the Commonwealth of Australia, is an Oceanian country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the world's sixth-largest country by total area. Neighbouring countries include Indonesia, East Timor and Papua New Guinea to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east. For at least 40,000 years before the first British settlement in the late 18th century, Australia was inhabited by indigenous Australians, who spoke languages grouped into roughly 250 language groups. After the European discovery of the continent by Dutch explorers in 1606, Australia's eastern half was claimed by Great Britain in 1770 and initially settled through penal transportation to the colony of New South Wales from 26 January 1788. The population grew steadily in subsequent decades; the continent was explored and an additional five self-governing crown colonies were established. On 1 January 1901, the six colonies federated, forming the Commonwealth of Australia. Since Federation, Australia has maintained a stable liberal democratic political system that functions as a federal parliamentary democracy and constitutional monarchy comprising six states and several territories. The population of 23.6 million is highly urbanised and heavily concentrated in the eastern states and on the coast. Australia is a developed country and one of the wealthiest in the world, with the world's 12th-largest economy. In 2012 Australia had the world's fifth-highest per capita income. Australia's military expenditure is the world's 13th-largest. With the second-highest human development index globally, Australia ranks highly in many international comparisons of national performance, such as quality of life, health, education, economic freedom, and the protection of civil liberties and political rights. Australia is a member of the United Nations, G20, Commonwealth of Nations, ANZUS, Organisation for Economic Co-operation and Development (OECD), World Trade Organization, Asia-Pacific Economic Cooperation, and the Pacific Islands Forum.



Note: All country histories and flags were obtained from, 2015. (

1.  Relying on agencies from each country, as well as a synthesis of data from United Nations divisions, Eurostate Demographic statistics, the U.S. Census international database, and its own data collection, the World Bank’s Open Data site offers free and open access to data about development in countries around the globe.

2.  The U.S. State Department's International Religious Freedom Report is submitted to Congress annually by the Department of State in compliance with Section 102(b) of the International Religious Freedom Act (IRFA) of 1998. This report supplements the most recent Human Rights Reports by providing additional detailed information with respect to matters involving international religious freedom. It includes individual country chapters on the status of religious freedom worldwide. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. These State Department reports are open source.

3.  The article by Brian Grim and Roger Finke describes the coding of the U.S. State Department’s International Religious Freedom reports. The 2003, 2005, and 2008 reports were coded by researchers at the Association of Religion Data Archives. The GRI, GFI and SRI values reported on the National Profiles are averages from the 2003, 2005, and 2008 International Religious Freedom reports, while the Religious Persecution measure is an average from the 2005 and 2008 reports. All other measures derived from the International Religious Freedom reports were coded from the reports 2008. A data file with all of the 2008 coding, as well as data files with other cross national collections are available for preview and download from the data archive on this site. Used with permission.

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