This dataset presents, for the first time, estimates of the international migrant stock by country of origin for 230 countries or areas as of mid-1990, mid-2000 and mid-2010. For each of the three dates, separate estimates are provided for the total migrant stock, the number of male migrants and the number of female migrants. The estimates are mostly based on data collected from population censuses and population registers over the past 30 years.
The results present an important new source of information to assess levels and trends of global migration, including the role of South-South migration.
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