Migration Simulation

This demographic simulation of migration shows the details of populations involved in migration, and shows how they change size and shape in the course of the migratory process. The simulation is based on a basic model of the migratory process that identifies a consistent set of populations, and streams of migration from certain populations to others. The model includes rates of birth and death as well as migration for each population. It analyzes migration in periods of five years, and enables the user to select the number of five-year periods for each simulation run. For background on the concepts used in the simulations, see the Introduction. For the underlying logic of the simulation model, see the Basic model.

The simulation model is applied to three historically important migrations:The Atlantic Slave Trade, in which over 10 million enslaved migrants crossed the Atlantic from West and Central Africa, especially from 1600 to 1850.The Oriental Slave Trade from Africa, in which some 3 million enslaved migrants moved from sub-Saharan Africa to North Africa, Western Asia, and the Indian Ocean from 1700 to 1900.The Atlantic emigration from Europe, in which over 50 million free migrants crossed the Atlantic from Europe to the Americas from 1840 to 1930.

For Teachers and Students
The materials on this website provide an introduction to the study of migration. Especially for teachers and students, the simulations of the three migrations are each available in five sets of conditions. These five variations, each made up from a package of data files, are explained in terms of their major characteristics. Detailed descriptions of input data files are available. Results of these simulations show populations and population statistics over time. In addition, it is possible to use the more complex version and make any changes desired.

For Researchers
For researchers, the simulations are available in full detail. All of the input data files are available. In addition, the researcher may create additional data files and use them in the simulation. Simulation output shows populations and population statistics over time.






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