Not only will they represent an important part of the labor force in the near future, but they will also be the parents of an important proportion of the new generation of citizens. (globaleducationmagazine.com)
Slaves and Bond servants were part of the labor force in the day. (religion.blogs.cnn.com)
The labor force participation rate, which is the percentage of people 16 and older who are part of the labor force, has been trending down for nearly twenty years: (fortune.com)