Currently the cost of illegal immigration to the federal government alone is estimated at over $10 bln a year, The Information Network reports. In addition, California citizens pay $10.5 bln a year in the form of higher education costs, higher law enforcement costs, and higher health care costs. Texas citizens pay $4.7 bln, and Arizona citizens pay $1.3 bln. There are 2811 maquiladora (export assembly plants) operating in Mexico employing 1.2 mln people, of which 2065 or about 75% are located in states along the US-Mexico border.