these linkages have multifaceted positive impacts on individuals families and communities the potential for the codevelopment of urban and rural communities exists but requires partnerships between the migrants and the local authorities of both communities as well as support from national governments it assists to shift the focus away from why people move to how they work live and shape their habitats cities across the development spectrum have growing mobile and diverse populations to manage in developed countries one of the main sources of population diversity is international migration while in lessdeveloped countries it is most likely internal migration and to a lesser extent growing international southsouth migration