Dominican Republic is about 26 times smaller than Peru.

Peru is approximately 1,285,216 sq km, while Dominican Republic is approximately 48,670 sq km, making Dominican Republic 3.79% the size of Peru. Meanwhile, the population of Peru is ~34.6 million people (23.1 million fewer people live in Dominican Republic).
Tip: This to-scale comparison of Peru vs. Dominican Republic uses the Mercator projection, which distorts the size of regions near the poles.
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