These estimates, drawn from the location data of three billion Facebook users, provide a view of human migration in extraordinary detail.

New data covering 2015-2024 highlights some interesting shifts but also reinforces long-standing trends. Denmark’s net migration has grown slightly over the past decade. What’s more telling is the ...

The numbers tell the story. From 2020 to 2024, the state added 934,000 international migrants, compared to a net domestic migration loss of 1.46 million residents. California’s out-migration has ...

This essay is part of The Great Migration, a series by Lydia Polgreen exploring how people are moving around the world today. On Aug. 12, 2004, celebratory headlines festooned the pages of Swedish ...