7 Most Popular Native American Language in the U.S.Who identify themselves as American Indian or Alaska Native alone (and who are over 5 years of age), over 70 percent say they speak only English at home. A Native North American language is spoken in the homes of nearly 15 percent. Roughly two-thirds of homes where a Native language is spoken are located in New Mexico, Arizona and Alaska, so it is not surprising that the most commonly spoken Native language is Navajo