Estimating internal displacement in Ukraine from high-frequency GPS mobile phone data
Journal: Humanities and Social Sciences Communications
Year: 2025

Abstract Nearly 110 million people are forcibly displaced worldwide. However, estimating the scale and patterns of internally displaced persons in real time, and developing appropriate policy responses, are hindered by traditional data streams because they are infrequently updated, costly and slow. Mobile phone location data can overcome these limitations, but it only represents a population segment. Drawing on an unprecedentedly large, high-frequency anonymised dataset of locations from 25 mill