New Mexico is around the same size as Philippines.

Philippines is approximately 300,000 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 5% larger than Philippines. Meanwhile, the population of Philippines is ~114.6 million people (112.5 million fewer people live in New Mexico).
Tip: This to-scale comparison of Philippines vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.