Australia is about 43 times bigger than North Dakota.

North Dakota is approximately 178,647 sq km, while Australia is approximately 7,741,220 sq km, making Australia 4,233% larger than North Dakota. Meanwhile, the population of North Dakota is ~799,358 people (26.8 million more people live in Australia).
Tip: This to-scale comparison of North Dakota vs. Australia uses the Mercator projection, which distorts the size of regions near the poles.
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