A new Pew report says North Dakota 's birth rate plunged after the 1970s . It says the decline in fertility rates correlates to the start of the recession . Historically , there 's evidence to back up CNN 's analysis . The Pew report said Hispanics , whose employment levels and household wealth were hit hard by the recession , experienced the largest fertility declines of any racial or ethnic group . Baby busts also occurred during the Great Depression and in 2007 .
A new Pew report says North Dakota 's birth rate plunged after the 1970s . It says the decline in fertility rates correlates to the start of the recession . Historically , there 's evidence to back up CNN 's analysis . Baby busts also occurred during the Great Depression and in 2007 .