Pew Research Center Follow Is U.S. fertility at an all-time low? It depends how you measure it U.S. fertility rates have hit historic lows, but three common measures tell different stories about whether American families are truly shrinking. https://www.pewresearch.org/short-reads/2026/06/17/is-us-fertility-at-an-all-time-low-it-depends-how-you-measure-it/ pewresearch.org