Costa Rica is about 19 times smaller than Tanzania.

Tanzania is approximately 947,300 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 5.39% the size of Tanzania. Meanwhile, the population of Tanzania is ~63.9 million people (58.6 million fewer people live in Costa Rica).
This to-scale comparison of Tanzania vs. Costa Rica uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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