The detention of irregular migrants and asylum-seekers in the Netherlands is not an easy subject. Among the criticism and controversy it has generated, the positive developments may be less visible. IOM has been a qualified witness in this process. Since 2004, IOM Netherlands has assisted some 3,000 migrants in administrative detention who decided to leave the Netherlands and start life a new in their home country. This is why we have decided to review the subject in a special issue of Focus on Migration.