Massachusetts is about 15 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while Massachusetts is approximately 20,306 sq km, making Massachusetts 6.46% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (4.5 million more people live in Massachusetts).
Tip: This to-scale comparison of New Mexico vs. Massachusetts uses the Mercator projection, which distorts the size of regions near the poles.
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