The frequency with which people move home has important implications for national economic performance and the well-being of individuals and families. Much contemporary social and migration theory posits that the world is becoming more mobile, leading to the recent 'mobilities turn' within the social sciences. Yet, there is mounting evidence to suggest that this may not be true of all types of mobility, nor apply equally to all geographical contexts. For example, it is now clear that internal migration rates have been falling in the USA since at least the 1980s. To what extent might this...