If you go to Google News and search U.S. birthrate you'll pull up a lot of articles. The Census Bureau recently published that our birthrate is at 1.7, below the 2.1 replacement rate. The lowest in 40 years. We're about 20 years from this starting to be a real problem, and about 50 years from being the serious population collapse that countries like China, Korea, Japan, and Germany are close to.