Mexicans (Spanish: mexicanos) are the people of Mexico. The most spoken language by Mexicans is Mexican Spanish, but some may also speak languages from 68 different indigenous linguistic groups and other languages brought to Mexico by recent immigration or learned by Mexican immigrants residing in other nations. In 2015, 21.5% of Mexico's population self-identified as being Indigenous. There are about 12 million Mexican nationals residing outside Mexico, with about 11.7 million living in the United States. The larger Mexican diaspora can also include individuals that trace ancestry to Mexico and self-identify as Mexican yet are not necessarily Mexican by citizenship, culture or language. The United States has the largest ethnic Mexican population after Mexico in the world at 37,186,361 (20