A new study reveals that coastal population growth between 2000 and 2018 exceeded that of inland areas worldwide.

Almost every country in the world has seen fertility rates decline over the past few decades, but one region's birth rates are still so high that it is expected to provide more than half the global ...

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 ...

With modern, standardized technologies allowing for more precise detection and diagnosis, the global map of keratoconus prevalence is dramatically changing. New data from the K-MAP multicenter study, ...

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 The data they use is often outdated, incomplete and inconsistent ...