Mauritius is about 154 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while Mauritius is approximately 2,040 sq km, making Mauritius 0.65% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (750,957 fewer people live in Mauritius).
Tip: This to-scale comparison of New Mexico vs. Mauritius uses the Mercator projection, which distorts the size of regions near the poles.