Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU01327660
U.S. Bureau of Labor Statistics, Civilian Labor Force Participation Rate: High School Graduates, No College, 25 years and over [LNU01327660], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU01327660, December 16, 2018.