The classical foundations of migration research date from the 1880s with Ravenstein's "Laws of migration", which represent the fi rst comparative analyses of internal migration. While his observations remain largely valid, the ensuing century has seen considerable progress in data collection...

type="main" <p>Despite underlying regularities in the age profile of migration, there is mounting evidence of cross-national variations in the ages at which migration occurs. Explanations for these differences have variously been sought by reference to cultural, social, and economic factors, and...</p>

The classical foundations of migration research date from the 1880s with Ravenstein's "Laws of migration", which represent the fi rst comparative analyses of internal migration. While his observations remain largely valid, the ensuing century has seen considerable progress in data collection...