Australia is a developed country and one of the wealthiest in the world, with the world's 12th-largest economy. In 2014 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, Organization for Economic Co-operation and Development (OECD), World Trade Organization,
Asia-Pacific Economic Cooperation, and the Pacific Islands Forum.
Australia has six states. New South Wales (NSW), Queensland (QLD), South Australia (SA), Tasmania (TAS), Victoria (VIC)
and Western Australia (WA) and two major mainland territories, the Australian Capital Territory (ACT) and the Northern Territory (NT).
Australian culture is as broad and varied as the country's landscape. Australia is multicultural and multiracial and this is reflected
in the country's food, lifestyle and cultural practices and experience. Australia has an important heritage from its indigenous people,
which plays a defining role in the cultural landscape. This diversity of influences creates a cultural environment in Australia that is
lively, energized, innovative and outward looking.
As of December 2014, Australia's population is roughly 23.6 million people. The most populous states are New South Wales
and Victoria, with their respective capitals, Sydney and Melbourne, the largest cities in Australia. Australia's population is concentrated
along the coastal region of Australia from Adelaide to Cairns, with a small concentration around Perth, Western Australia. The centre of
Australia is sparsely populated.