Rhode Island is about 19 times smaller than Costa Rica.

Costa Rica is approximately 51,100 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 5.3% the size of Costa Rica. Meanwhile, the population of Costa Rica is ~5.2 million people (4.2 million fewer people live in Rhode Island).
Tip: This to-scale comparison of Costa Rica vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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