CITIES MAKE one simple promise to newcomers: Sacrifice yourself to me and your children shall prosper. This promise drew Ahmed Raza, a small-time wrestler from an Uttar Pradesh village and millions like him to the capital of newly-independent India. Raza kept his part of the bargain, yet half a century later, his daughter was pushed out of the city her father helped build, the only home she has known. “I...

KEY TRENDS  • The new Cohort-based Migration Metric (CMM) shows that inter-state labor mobility averaged 5-6.5 million people between 2001 and 2011, yielding an inter-state migrant population of about 60 million and an inter-district migration as high as 80 million @* • The first-ever estimates of internal work-related migration using railways data for the period 2011-2016 indicate an annual average flow of close to 9 million migrant people between the states. Both these estimates are significantly greater than the...