Bolivia is about 3.5 times bigger than New Mexico.

New Mexico is approximately 314,310 sq km, while Bolivia is approximately 1,098,581 sq km, making Bolivia 250% larger than New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (10.0 million more people live in Bolivia).
Tip: This to-scale comparison of New Mexico vs. Bolivia uses the Mercator projection, which distorts the size of regions near the poles.