Facts about Mexico: Mexico, officially the United Mexican States, is a country in the southern portion of North America. Covering 1,972,550 km2 (761,610 sq mi), it is the world's 13th largest country by area; with a population of almost 130 million, it is the 10th most populous country and has the most Spanish speakers in the world. Mexico is a constitutional republic comprising 31 states and Mexico City, its capital and largest city, which is among the world's most populous metropolitan areas. The country shares land borders with the United States to the north, with Guatemala and Belize to the southeast; as well as maritime borders with the Pacific Ocean to the west, the Caribbean Sea to the southeast, and the Gulf of Mexico to the east. Human presence in Pre-Columbian Mexico dates back to 8,000 BC as one of six cradles of civilization. Mesoamerica hosted civilizations including the Olmec, Maya, Zapotec, Teotihuacan, and Purepecha. Aztec domination of the area preceded Spanish conquest of the Aztec Empire, which established the colony of New Spain centered in the former capital, Tenochtitlan (now Mexico City). The colonial era ended in the early 19th century with the Mexican War of Independence, followed by political and socioeconomic upheaval. The Mexican–American War resulted in significant ... ()