Tracking global migration has long been hampered by poor, outdated data. Now researchers have harnessed social media data to ...

In stark black-and-white and stunning color, this year's winning photographs capture global events on a human scale ...

Wall St. Insights Faced with aging populations, declining fertility rates, and outbound migration, several countries are ...

As the global population grows, it will not do so equally everywhere. This map explores population growth—and decline.

From Paul Ehrlich to Bill Gates, prominent Americans have forecast doom through “overpopulation.” Although the Great ...

A new study has found a reason why there could be over one billion more people on Earth than was previously estimated.