Nauru is about 1.7 times smaller than Norfolk Island.

Norfolk Island is approximately 36 sq km, while Nauru is approximately 21 sq km, making Nauru 58.33% the size of Norfolk Island. Meanwhile, the population of Norfolk Island is ~1,748 people (8,063 more people live in Nauru).
Tip: This to-scale comparison of Norfolk Island vs. Nauru uses the Mercator projection, which distorts the size of regions near the poles.
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