<http://schema.org/description>
"In 2009, the only US state in which births rose was North Dakota, where the energy boom kept the economy relatively insulated from the recession, demographer Gretchen Livingston tells The Economist. The recession has had a drastic impact on US birth rates, and there are also fewer immigrants. Both these things have brought down population..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/36858/in-2050-america-will-be-even-smaller-and-grayer-than-we-thought/>