Switzerland is about 16 times bigger than Luxembourg.

Luxembourg is approximately 2,586 sq km, while Switzerland is approximately 41,277 sq km, making Switzerland 1,496% larger than Luxembourg. Meanwhile, the population of Luxembourg is ~650,364 people (7.9 million more people live in Switzerland).
Tip: This to-scale comparison of Luxembourg vs. Switzerland uses the Mercator projection, which distorts the size of regions near the poles.
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