Because Mexico and Central America were once colonies of Spain.
Spanish, with many people also speaking Mayan.
Spanish is Spoken on 5 Continents:North America (particularly Mexico and several countries in Central America)South America (all countries except Brazil, Suriname, the Falkland Islands and French Guyana)Europe (Spain)Africa (Equatorial Guinea)Asia (the Philippines, though no longer an official language there)
Spanish is the most commonly spoken language in Central America, due to the region's history of Spanish colonization. It is the official language in all countries in Central America, with the exception of Belize where English is the official language.
Spanish is the common language in Mexico and South America because the country of Spain colonized this region. The major exception being Brazil, which was Portuguese.
Spain,Mexico, and Latin America
Because English is not spoken as native language in Mexico. Spanish is the most widely spoken language and as such, Mexico belongs to Latin America.
English/Spanish
There are multiple countries in Central and South America where Spanish is the main language spoken. El Salvador, Honduras, Nicaragua, Panama etc.
Spanish is spoken in the Central American countries of Guatemala, Honduras, Costa Rica, Panama, El Salvador and Nicaragua.
The spanish of Mexico is the most commonly spoken variety in the United States, also called North American Spanish.
Countries listed by population:(Listed by population of residents, not Spanish speakers)Mexico (North America)Colombia (South America)Argentina (South America)Spain (Western Europe)Peru (South America)Venezuela (South America)Chile (South America)Ecuador (South America)Guatemala (Central America)Cuba (Caribbean)Bolivia (South America)Dominican Republic (Caribbean)Honduras (Central America)El Salvador (Central America)Paraguay (South America)Nicaragua (Central America)Costa Rica (Central America)Uruguay (South America)Panama (Central America)Equatorial Guinea (Central Africa)Places where Spanish is commonly used:(Listed by percentage of the countries population that speaks Spanish..)Gibraltar (Western Europe)Andorra (Western Europe)Belize (Central America)Western Sahara (North Africa)United States (of North America)
Some places that makeup Latin America include Mexico, Brazil, Argentina, Peru, and Chile. Latin America encompasses countries in Central and South America where Spanish, Portuguese, and French are predominantly spoken languages.