7 Billion And Counting: World Population Hits A Milestone As Earth's human population hits 7 billion, there's little agreement on what its future growth will look like. And different countries all face their own challenges to maintain a stable, productive population.

Immigrants like these Indians at a Sikh festival in Barcelona are bolstering Europe's stagnant population growth rate. Randy Olson/National Geographic hide caption

toggle caption
Randy Olson/National Geographic

Sharing a hillside with high-rise apartment dwellers, children dance at a shop in one of the squatter communities that ring Caracas, a city of 3 million. Today, one in seven people live in slums. Providing them with better housing and education will be one of the great challenges facing a world of 7 billion people and counting. Jonas Bendiksen/Magnum Photos hide caption

toggle caption
Jonas Bendiksen/Magnum Photos

7 Billion And Counting: Can Earth Handle It?

  • Download
  • <iframe src="https://www.npr.org/player/embed/132708954/132708952" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript