The major ethnic groups in the United States, their percentages in 2013, and a few mid-twenty-first-century projections: By 2042, more than half of the U.S. population is projected to be ethnic minorities. Notice, in particular, the huge increase in the fraction of Hispanic Americans.

Data from: http://quickfacts.census.gov/qfd/states/00000.html, Retrieved September 3, 2014.