The following statement about immigration in the United States is false:

a.
Among the Black population, the foreign born have tripled in number since 1980.

b.
About 13% of the current population is born outside the United States.

c.
About 40% of the current population is born outside the United States.

d.
Today, 8.7% of the U.S. Black population is foreign born, and about half are from the Caribbean.