Hispanics who can't afford to have as many children as they want in their own countries move to the United States to have lots of children

Steve Sailer points out that the current decline in illegal immigration that appears to have begun with the popping of the subprime bubble in 2007 is significantly lowering overall Hispanic fertility. Without significant immigration restrictions, however, Latino fertility will boom again the next time the economy does well because so many of the births are concentrated among recent illegal immigrants from Latin America.