Mexico is a country.
Mexico ( México , [ ˈme.xi.ko ] , modern Nahuatl ) , officially the United Mexican States ( [ Estados Unidos Mexicanos , links = no ] , ) , is a federal republic in the southern portion of North America . Covering almost two million square kilometers ( over 760,000 sq mi ) , Mexico is the sixth largest country in the Americas by total area and the 13th largest independent nation in the world . With an estimated population of over 120 million , it is the eleventh most populous country and the most populous Spanish-speaking country in the world while being the second most populous country in Latin America .