The territory of Australia is 9,008,500 km², which is 5.9% of total landmass and the population is about 29,127,000 people, this is 0.4% of total population of World. Population of Oceania is 35,670,000.
On this website are available outline blank maps of Australia, Oceania and Australasia and political maps to better determine the countries of Oceania. These maps are mostly in Mercator projection.
Australasia is a region of Oceania, which contains Australia, New Zealand, the island of New Guinea and some neighbouring islands in the Pacific Ocean. Oceania is a region containing Australasia, but also islands of the tropical Pacific Ocean.