The U.S. Census Bureau released estimates for the American population as it existed at mid-2012. Perhaps the most surprising finding is that, among non-Hispanic whites, deaths exceeded births--a phenomenon known as natural decrease.
NYT: Natural Decrease Among Whites in 2012
AP Story: Nearly Half of American Residents Under 5 are Minorities
Washington Post: Natural Decrease Among Whites
Census Bureau: Population Estimates released on June 13, 2013
U.S. News and World Report: Five Major Findings in the June 2013 Census Report
Slate.com: White Deaths Outnumber White Births, 2011-2012