Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU03025702
U.S. Bureau of Labor Statistics, Of Total Unemployed, Percent Unemployed 15 to 26 Weeks [LNU03025702], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU03025702, March 21, 2018.