Labor force and Work force

Labor force noun - The source of trained people from which workers can be hired.

Work force and labor force are semantically related in workforce topic. In some cases you can use "Work force" instead a noun phrase "Labor force".

Work force noun - The force of workers available.

Labor force and work force are semantically related in workforce topic. You can use "Labor force" instead a noun phrase "Work force", if it concerns topics such as people available to work.