Costa Rica is about 1.2 times bigger than Denmark.

Denmark is approximately 43,094 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 19% larger than Denmark. Meanwhile, the population of Denmark is ~6.0 million people (856,219 fewer people live in Costa Rica).
Tip: This to-scale comparison of Denmark vs. Costa Rica uses the Mercator projection, which distorts the size of regions near the poles.
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