With U.S. unemployment at a 26-year high Americans will be feeling the economic downturn for some time. Immigration experts are seeing global signs of the recession in major shifts in U.S. immigration trends, especially at the high and low ends of the skills spectrum. Here are the most significant changes. You know the U.S. is in a recession when… Mexicans are sending money to relatives in the United States. In 2007, Mexicans living in the U.S. sent about $26 billion to relatives living in Mexico.