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The USA is bigger.

The total area of Australia is 7,741,220 square kilometers, and the total area of the US is 9,629,630 square kilometers.

In population size the USA (population 301,000,000) is much larger than Australia (population 21,000,000). Australia is nearly as big as Contiguous United States (48 mainland states). Contiguous United States is 7,663,941.71 km² while Australia is 7,617,930km². So about 44,000km² in difference.

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11y ago

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