The world’s population hit 8 billion on Tuesday, according to UN estimates, a major milestone as many parts of the world face plummeting growth rates and world leaders struggle to address pressing ...
For decades, the world’s dominant powers have benefited from large working-age populations that help drive economic growth. Meanwhile, particularly young populations in much of the developing world ...
Hundreds of decisions—how to build roads, where to send medicine, how to plan for natural disasters—depend on knowing where people live. Over the past few decades, population maps have become powerful ...