Families in the U.S. and much of the world are having so few babies, national populations are set to shrink and age. The trend is changing American politics and fueling the rise of global populism.
Sarah McCammon is a National Correspondent covering the Mid-Atlantic and Southeast for NPR. Her work focuses on political, social and cultural divides in America, including abortion and reproductive rights, and the intersections of politics and religion. She's also a frequent guest host for NPR news magazines, podcasts and special coverage.