Seychelles is about 22 times bigger than Nauru.

Nauru is approximately 21 sq km, while Seychelles is approximately 455 sq km, making Seychelles 2,067% larger than Nauru. Meanwhile, the population of Nauru is ~9,811 people (87,206 more people live in Seychelles).
Tip: This to-scale comparison of Nauru vs. Seychelles uses the Mercator projection, which distorts the size of regions near the poles.
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