Nauru is about 22 times smaller than Seychelles.

Seychelles is approximately 455 sq km, while Nauru is approximately 21 sq km, making Nauru 4.62% the size of Seychelles. Meanwhile, the population of Seychelles is ~97,017 people (87,206 fewer people live in Nauru).
Tip: This to-scale comparison of Seychelles vs. Nauru uses the Mercator projection, which distorts the size of regions near the poles.
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