It is time for practical, comprehensive reform that fixes our immigration system as a whole - enhancing border security and creating sound policy solutions for undocumented immigration.

He added, "It is a natural and fair response to consider this as an attempt to promote undocumented immigration, but that is absolutely not the intent of the Mexican government."

Both would combat poverty and discourage undocumented immigration.

Felipe Calderón made immigration reform one of his main priorities, and in 2008 he and the Mexican Congress passed a bill decriminalizing undocumented immigration into Mexico.

NumbersUSA cites the tradition of chain migration to America as a main cause for creating incentives for undocumented immigration.

In 2002 the Home office stated that the figures Migration Watch produces should be treated with 'considerable caution', because of the intrinsic difficulty of quantifying undocumented immigration.

Coachella received negative local media attention as a city riddled by youth gangs, drug trade activity, massive movement of undocumented immigration and racial separatism.

Reyes gained enormous popularity in the 16th Congressional District due to the Operation's success in reducing undocumented immigration.

The increase in the immigrant population in recent decades has been gradual, unlike the sudden spurt since the 1990s that has made undocumented immigration an issue in many other places.

The United States also utilizes administrative detention as a counter-terrorism measure, and as a means to control undocumented immigration.