Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU04000093
U.S. Bureau of Labor Statistics, Unemployment Rate: 45 to 54 years [LNU04000093], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU04000093, June 18, 2019.