- People without a job who stop looking for one are no longer counted as unemployed.
In 2015, the American labor force participation rate was less than 65 percent:
- There are more job openings available in America today than at any point since the Bureau of Labor Statistics first started tracking vacancy data back in December 2000. Yet the percentage of adult Americans working or actively looking for a job stands at 62.6 percent, the lowest level in nearly four decades. 
- "the labor force — those who have a job or are looking for one" Dropouts: Discouraged Americans leave labor force in droves - Washington Times
- Unemployment Is Low But More Workers Are Leaving the Workforce - US News & World Report