“As of March 2010, 11.2 million unauthorized immigrants were living in the United States”
Then see Figure 2 at
http://www.pewhispanic.org/2011/02/01/ii-current-estimates-and-trends/
Do the math, roughly 63% of illegals are Mexican.
The main article is at the first link. Be sure to check the Appendices.
You did know I was being facetious right? right?
Facetious: Treating serious issues with inappropriate humor. :-)