Life Expectancy In One U.S. County Is Less Than Sudan’s

Oglala Lakota County has consistently had the lowest U.S. life expectancy since the institute’s study began in 1980, Laura A. Dwyer-Lindgren, the report’s lead author, said. Then known as Shannon County, its residents on average at that time lived 18.2 years less than those in Billings County, North Dakota, which ranked first.