Population Reference Bureau

The U.S. fertility rate has declined 9% since the onset of the recession in 2007, with births declining every year. The decrease appears to have leveled off last year, a sign of an improved economy, though the change varied among age and race groups.
Sep 10, 2013   The New York Times - Health
A population research group reports on two simultaneously occurring population trends in the world affecting developed and less developed nations: Working age adults have dropped precipitously, while poorer nations grow too fast.
Aug 2, 2010   The New York Times - World