The movement of people in search of better economic conditions and a more secure environment is as old as human history. Such movements not only profoundly affect the lives of the migrants, but also lead to significant economic and social transformations in migrants' countries of origin and...

Global matrices of bilateral migrant stocks spanning 1960–2000 are presented, disaggregated by gender and based primarily on the foreign-born definition of migrants. More than one thousand census and population register records are combined to construct decennial matrices corresponding to the...