China’s declining fertility rate is shaped by a combination of structural and cultural factors. The one-child policy left a long-term legacy, but rising living costs, urbanization, and changing values ...

AMES, Iowa – Changing population densities in urban areas across the globe could have major implications for building energy use and sustainability in the decades to come, according to a new study ...

Families in the U.S. and around the world are having fewer children as people make profoundly different decisions about their lives. NPR's series Population Shift: How Smaller Families Are Changing ...