A Brief Age of Billions
Most leading projections show that the world’s population will peak in the second half of the twenty-first century. But what happens after that? Long-term projections by researchers at the University of Texas at Austin find that today’s large global population may be a blip in human history, and that fertility trends could have compounding consequences for population size and age structure far into the future.1 If fertility stays low, four-fifths of all human births may already have occurred. Dean Spears, Sangita...
