Over the past half century, migration from Mexico and Central America to the United States has been driven in part by regional demographic and human-capital trends. As the U.S. labor force became better educated, fewer native workers accepted certain low-skilled jobs. This report offers a look at the economic changes that have coincided with a Mexican and Central American population boom.

Noncoercive, pay-to-go, voluntary, assisted voluntary, and nonforced returns generally can offer paid travel and/or other financial incentive to encourage unauthorized immigrants to cooperate with immigration officials and leave host countries. A look at three key rationales for governments to choose pay-to-go and other returns.