Final answer:
The estimated share of the U.S. population that consists of people of Hispanic ancestry is 18.5 percent.
Explanation:
The estimated share of the U.S. population that consists of people of Hispanic ancestry is 18.5 percent (U.S. Census Bureau 2019). According to the same source, about 75 percent of Hispanics in the U.S. report being of Mexican, Puerto Rican, or Cuban origin. It's important to note that the U.S. Census allows people to report as being more than one ethnicity.