... on labor-force participation.The labor-force participation rate measures the percentage of the total adult pop-ulation of the United States that is in the labor force:Labor-force participation ... Statistics (BLS), whichis part of the Department of Labor. Every month the BLS produces data on unem-ployment and on other aspects of the labor market, such as types of employment,CHAPTER 26 ... million, the labor-force participationrate wasLabor-force participation rate ϭ (137.7/205.2) ϫ 100 ϭ 67.1 percent.Hence, in 1998, two-thirds of the U.S. adult population were participating in...