Rhode Island is about 2.1 times smaller than Brunei.

Brunei is approximately 5,765 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 46.94% the size of Brunei. Meanwhile, the population of Brunei is ~478,054 people (574,513 more people live in Rhode Island).
Tip: This to-scale comparison of Brunei vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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