Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNS13000025
U.S. Bureau of Labor Statistics, Unemployment Level: 20 years and over, Men [LNS13000025], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNS13000025, December 16, 2017.