I have traveled to Mexico a couple of times.
Mexico is cool.  It is officially known as the United Mexican States.
How does it relate to the United States?
Well, the US resides along it's northern border, of course.  Size-wise, it the 6th largest country in the Americas.
How does it compare in terms of income to the US?
Well, it is quite a bit lower than the US.  It has a population around a third of the US's, with roughly 120 million people.
Do a lot of tourists visit Mexico?
Crime in Mexico
Crime is among the most urgent concerns facing Mexico, as Mexican drug trafficking rings play a major role in the flow of cocaine, heroin, and marijuana transiting between Latin America and the United States. Drug trafficking has led to corruption, which has had a deleterious effect on Mexico's Federal Representative Republic. Drug trafficking and organized crime have also been a major source of violent crime in Mexico.
Mexico has experienced increasingly high crime rates, especially in major urban centers. The country's great economic polarization
, the INM deported 188,000 people at a cost of US$10 million.
In September 2007, Mexican President Calderón harshly criticized the United States government for the crackdown on illegal immigrants, saying it has led to the persecution of immigrant workers without visas. "I have said that Mexico does not stop at its border, that wherever there is a Mexican, there is Mexico", he said. However, Mexico has also deported US citizens, deporting 2,000 cases in 2015 and 1,243 in 2014.
Illegal immigration of Cubans