Managing Illegal Immigration to the United States: How Effective Is Enforcement?

The authors examine U. S. efforts to prevent illegal immigration to the United States. Although the United States has witnessed a sharp drop in illegal border crossings in the past decade alongside an enormous increase in government activities to prevent illegal immigration, there remains little understanding of the role enforcement has played. Better data and analyses to assist lawmakers in crafting more successful policies and to support administration officials in implementing these policies are long overdue.