Let Me Tell You writes:

" It's why Mexico is a failed state."

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Try to keep up.

The GDP of Mexico has increased steadily for decades:

http://www.tradingeconomics.com/mexico/gdp

It's standard of living/education levels/quality of life/ has increased similarly:

http://www.globalsecurity.org/military/world/mexico/living-standard.htm

Ignorance is not a virtue.