There is one finding that is eye-popping. Between 1990 and 2014, one in eight (roughly 12.5%) of the entire U.S. population was living in a county that had at least 20 percent of its adult population comprised of immigrants – both legal and illegal. By 2014, that one-eighth share comprised of immigrants had zoomed to nearly one in three (approaching 33%) adults.
That kind of growth would be remarkable if it happened in a population sparsely populated with immigrants, but in 1990 the United States already had an immigrant population of nearly 20 million.
The trend that those data point to should make us all stop and ask ourselves and our policymakers “Where are we heading, and why?