The U.S. Border Patrol seeks to prevent illegal entry into the United States along the 8,000 miles of land and water boundaries of the Unitec States between ports of entry.
The southwest border voers four states: California, Arizona, New Mexico, and Texas.
The voluntary returns program allows aliens to enter an agreement to leave the United States of their own volition to avoid further consequences.
|SouthWest Border Apprehensions||Apr-01||Apr-02|
|Southwest Border apprehensions||142,813||127,920|
|Percent change from same month previous year||-20.68||-10.43|
|Southwest Border voluntary returns||138,789||117,127|
|Percent change from same month previous year||-21.40||-15.61|
NOTE: The current value is compared to the value from the same period in the previous year to account for seasonality.
SOURCE: U.S. Immigration and Naturalization Service, available at: http://www.ins.gov/graphics/aboutins/statistics/index.htm.