Opinion | Migration Is Remaking Our World, and We Don't Understand It at AllMass migration is reshaping global demographics and political landscapes, highlighting the paradox of wealthier nations needing immigrants while resenting their presence.
These Megacities Are the Largest Urban Areas on EarthMegacities have surged from four in the 1970s to 44 today, primarily in Asia, signaling rapid urban population growth.Resource consumption in megacities raises concerns about sustainability as the global population approaches eight billion.
Meet the Countries That Are Running Out of AdultsThe world is facing a crisis of depopulation, primarily driven by declining birth rates in wealthier nations.