New Mexico is about 1.2 times smaller than Zimbabwe.

Zimbabwe is approximately 390,757 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 80.44% the size of Zimbabwe. Meanwhile, the population of Zimbabwe is ~15.1 million people (13.1 million fewer people live in New Mexico).
Tip: This to-scale comparison of Zimbabwe vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.