mexico is the most populous spanish-speaking country in the world. it is also the second most populous country in latin america (after brazil). 60% of mexicans have native american and european forefathers (mostly native american); these are called mestizos. almost 30% of mexicans are pure native american and 10% are european. most mexicans (90%) speak spanish. 10% of the mexicans speak a native american language, like nahuatl, the language of the aztecs, maya or zapotec. non-indigenous ethnic groups in mexico speak another foreign language such as arabic or japanese. most people in mexico are catholic (89%) christians.