Accurate and timely migration data are vital for effective policy on matters of urbanization, structural transformation of labor, disease control and disaster relief, to name a few. However, large scale, representative data on migration are unavailable in many countries. One common challenge relates to the definitions of migration which can vary in terms of duration, purpose, and distance covered. Correspondingly, data sources are differently equipped to capture specific types of movements and miss others. This note aims to explore the feasibility and limitations of a relatively novel source of mobility information anonymized smartphone mobility data in the context of India. |