Belgium is about 1.4 times smaller than Denmark.

Denmark is approximately 43,094 sq km, while Belgium is approximately 30,528 sq km, making Belgium 70.84% the size of Denmark. Meanwhile, the population of Denmark is ~5.9 million people (5.9 million more people live in Belgium).
This to-scale comparison of Denmark vs. Belgium uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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