The majority of migrant population move in order to find work and to provide for their families. Many of these people are successful; in 2009 alone, migrants sent an estimated $414 billion back to families in their home countries. However, labor protections for migrant workers are notoriously weak, and millions of migrant workers face abysmal working conditions and become victims of trafficking—a modern-day slave trade.
URL : http://www.fairlabor.org/sites/default/files/migration_and_modern_day_slavery.pdf