Human mobility has reached a new scale and complexity amid rapid transformations, ranging from changing climates and the COVID-19 pandemic to urbanization and demographic shifts. Following an unprecedented era of border closures during the pandemic, the past two years have seen a major rebound in human mobility, alongside new displacement crises, climate shocks, and the resurgence of labor migration in response to acute shortages. Global mobility flows continue to shift and diversify, featuring an increasingly complex mix of regular and irregular migration and displacement. Yet understanding the rapidly evolving nature of global mobility remains a challenge.