Macau is about 11,146 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while Macau is approximately 28 sq km, making Macau 0.01% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (1.4 million fewer people live in Macau).
Tip: This to-scale comparison of New Mexico vs. Macau uses the Mercator projection, which distorts the size of regions near the poles.