Controlling unauthorized immigration along the U.S.-Mexican border has become an increasingly important national objective. Despite initial bipartisan support for this strategy, concerns about its effectiveness are beginning to emerge. This report addresses the following questions:
- Has increased border enforcement changed decisions to migrate?
- Has it changed where and how people cross the U.S.-Mexican border?
- Has it led to an increase in migrant deaths?
- Has it altered how long immigrants stay once they arrive?
- Has it reduced the total number of unauthorized immigrants living in the U.S.?
- What other policy options might help curb unauthorized immigration?