Cocos (Keeling) Islands is about 1.5 times smaller than Nauru.

Nauru is approximately 21 sq km, while Cocos (Keeling) Islands is approximately 14 sq km, making Cocos (Keeling) Islands 66.67% the size of Nauru. Meanwhile, the population of Nauru is ~12,025 people (11,423 fewer people live in Cocos (Keeling) Islands).
Tip: This to-scale comparison of Nauru vs. Cocos (Keeling) Islands uses the Mercator projection, which distorts the size of regions near the poles.
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