New Mexico is about 154 times bigger than Mauritius.

Mauritius is approximately 2,040 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 15,307% larger than Mauritius. Meanwhile, the population of Mauritius is ~1.3 million people (750,957 more people live in New Mexico).
Tip: This to-scale comparison of Mauritius vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.