For example, great migrations include the Indo-European migrations to Europe, the Middle East, and South Asia during the Bronze Age, the Bantu migrations across sub-Saharan Africa, Barbarian invasions during the Roman Empire, the Great Migration from England of the 1630s, the California Gold Rush from 1848–1850, the .
Social Causes of Migration
For example, if someone is experiencing religious oppression, they may choose to move to a place where their religion is more frequently practiced or accepted..
Migration is projected to be the only driver of population growth in the developed regions starting after 2020
By 2050, it is expected that the population of the developed regions will start to decline in size, as the net inflow of migrants will no longer be sufficient to compensate for the excess of deaths over births
Some persistent views about migration • That migration is a simple move from A to B
• That the origins and destinations of migration are somehow fixed and that poor people will always come to the rich world, often called “the Global North”
• That development in areas of origin of migration will in some way stop or slow migration
• A third demographic transition (Coleman) and the native populations being gradually replaced by immigrants
• The linkages between internal and international migration: the vast majority of migrants move within the boundaries of their own country and these movements are increasingly linked to international migrations
