500000000
Because lots of immigrant's live in Mexico
In... Mexico? Most of them live on the Central Mexican Plateau, but many other live on the coasts and on the Yucatan and Baja California peninsulas. Most people in Mexico live on houses, but many of those who live on larger cities such as Mexico City, Guadalajara or Monterrey live on apartment buildings.
In Mexico's cities, as well as many rural communities.
107,550,697
2,000,000
2009671
About 107 million people.
2,009,671 people live in New Mexico
Oh yes, it is quite easy to drive to Mexico from the US and many people do.
About two million.
15,175,862 (2010 census)
20 MILLION