2. Definitions and analytical perspectives on migration
3. Forms of international migration
4. Theoretical approaches
5. Effects of migration
6. Implications for spatial planning
Due to their quantity and selectivity, migration processes are increasingly relevant to planning processes. Migration leads to demographic and social changes; strategies of migrant integration must therefore take into account their heterogeneity and the spatial selectivity of their residential location. The different definitions of migrant status in the statistics must also be considered.