13. Invites Governments to identify the causes of undocumented migration and its economic, social and demographic impact, as well as its implications for the formulation and application of social, economic and migration policies, including those relating to women migrant workers;
13. 请各国政府查明无证移徙的原因及其经济、社会和人口后果，并查明此种移徙对制订和实施社会、经济和移徙政策包括同移徙女工有关的政策的影响；