Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU02005977
U.S. Bureau of Labor Statistics, Number at Work 1 to 34 Hours, Usually Work Part Time Noneconomic Reasons [LNU02005977], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU02005977, April 20, 2018.