Tracking migrants is a challenging task that policymakers, researchers and humanitarian organizations have long struggled to achieve. The data they use is often outdated, incomplete and inconsistent ...

The human species is on the move. Last year there were more people living outside of their birth countries than at any other time in modern history, according to the United Nations. It’s a sea change ...

Migration flows into the world’s rich economies are slowing down, according to an OECD report published on Monday. Although overall numbers remain historically high, permanent migration to OECD ...