1-in-5 in US Homes Speaks a Second Language after English

The U.S. Census Bureau reports that compared to 1980, the number of Americans who now speak a second language at home has increased by three times to 68 million.

Source : https://learningenglish.voanews.com/a/in-5-in-us-homes-speaks-a-second-language-after-english/6914204.html