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The sparsely populated continent of Australasia is made up of Australia, New Zealand, Papua New Guinea, and several nearby islands. It is the world’s smallest continent, but includes a range of landscapes from tropical rainforest and arid desert, to volcanoes and dry grasslands. Oceania consists of about 25,000 volcanic or coral tropical islands, scattered over a vast area of the Pacific Ocean. The islands are divided into three groups: Melanesia, Micronesia, and Polynesia. Some of the islands are mountainous and densely forested, and many are uninhabited. Total land area: 3,285,048 sq miles (8,508,238 sq km) Total population: 30.4 million Number of countries: 14 Largest country: Australia 2,967,892 sq miles (7,686,850 sq km) Smallest country: Nauru 8 sq miles (21 sq km) Largest country population: Australia 19.5 million Largest lake: Lake Eyre, Australia 3,700 sq miles (9,583 sq km) Longest river: Murray-Darling, Australia 2,330 miles (3,750 km) Highest point: Mt. Wilhelm, Papua New Guinea 14,794 ft (4,509 m) Major desert: Great Victoria Desert, Australia Largest coral reef: Great Barrier Reef, Australia 1,242 miles (2,000 km) |
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