Source: US. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNS12300025
US. Bureau of Labor Statistics, Employment-Population Ratio: 20 years and over, Men [LNS12300025], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNS12300025, July 24, 2016.