Available documents include the UN Journal, as well as documents from the General Assembly, Security Council, Human Rights Council, Economic and Social Council and others.
“The ISSP is a cross-national collaboration programme conducting annual surveys on diverse topics relevant to social sciences. All collected data and documentation is available free of charge.”(ISSP) These include topics such as social networks, national identity and citizenship.
“The United Nations Statistics Division collects data on flows and stock of migrants through the Demographic Yearbook data collection system. This is done by requesting countries to provide data by completing data questionnaires.” (UN)
“UNFPA works to increase understanding of migration issues, advocate for better migration data, and promote the incorporation of migration into national development plans. UNFPA also advocates for addressing the special concerns of women and other vulnerable migrants, and works to meet the emergency reproductive health needs of refugees and internally displaced people.”(UNFPA) There are various news articles, publications, resources and links to more information on migration at a global scale.
“an inter-agency group which seeks to promote the wider application of all relevant international and regional instruments and norms relating to international migration, and encourages the adoption of a more coherent, comprehensive and better coordinated approach to international migration.” (UN)
“GFMD is a state-led, informal and non-binding process, which helps shape the global debate on migration and development. It provides a flexible, multi-stakeholder space where governments can discuss the multi-dimensional aspects, opportunities and challenges related to migration, development, and the link between these two areas. The GFMD process allows governments - in partnership with civil society, the private sector, the UN system, and other relevant stakeholders – to analyze and discuss sensitive issues, create consensus, pose innovative solutions, and share policy and practices.” (GFMD)
http://www.gfmd.org/docs
Countries in partnership with GFMD have published many resources related to migration in their nation in the documents library.
IOM is the secretariat of the UN Network on Migration.“IOM activities...include the promotion of international migration law, policy debate and guidance, protection of migrants' rights, migration health and the gender dimension of migration.”(IOM) Database includes policy briefs and publications related to global migration issues.
“The Portal aims to serve as a unique access point to timely, comprehensive migration statistics and reliable information about migration data globally.” (IOM)