1. North America is in the northwestern hemisphere, and Australia is in the southeastern hemisphere
2. Australia is an island continent unlike North America
3. North America is occupied by several countries and Australia is only made up of one
4. English convicts were sent to Australia to start the first settlement, but North America was founded by free settlers, and only suffered English convicts later.
5. Australia's indigenous people, the Aborigines, are quite different in their appearance and culture compared to the indigenous American Indians.
6. Australia has a vast number of native marsupials and is the only continent with monotremes (egg-laying mammals), while North America has just one native marsupials (the Virginia opossum), and the majority of its native mammals are placental mammals.
7. Australia has a much smaller population than North America - December 2013 figures for Australia put the population at over 23 million; in North America, the population of the USA alone was 303,824,640 in July 2008.
They are in different hemispheres of the Earth.
The United States has 291,465,333 more people than Australia as of July 2011. America (South America- 400,832,004; North America- 548,720,568) has 927,785,861 more people than Australia as of July 2011.
9,463 miles
Africa
they both have 4 seasons and are found on North and south America, Europe, Asia, and Australia
North America, South America, Australia, and Antarctica are the four continents without an Islamic State.
North America and Australia
In between Australia, Japan, North America, and South America.
That would have to be a tie between North America, South America, and Australia.
Between the poles, you can find six continents: Australia, Asia, North America, South America, Europe and Africa.
US is a country. America is two continents(south and north america).
60 degrees