New Mexico is about 1.2 times bigger than Wyoming.

Wyoming is approximately 251,489 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 25% larger than Wyoming. Meanwhile, the population of Wyoming is ~563,626 people (1.5 million more people live in New Mexico).
Tip: This to-scale comparison of Wyoming vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.
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