Cook Islands is about 3.2 times smaller than Tonga.

Tonga is approximately 747 sq km, while Cook Islands is approximately 236 sq km, making Cook Islands 31.59% the size of Tonga. Meanwhile, the population of Tonga is ~105,517 people (97,389 fewer people live in Cook Islands).
This to-scale comparison of Tonga vs. Cook Islands uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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