Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNS13025703
U.S. Bureau of Labor Statistics, Of Total Unemployed, Percent Unemployed 27 Weeks and over [LNS13025703], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNS13025703, February 17, 2018.