Awnser : Craftsman, mining, manufacturing and construction workers and laborers
Explanation : "Craftsman, mining, manufacturing and construction workers and laborers" was the largest group, 19.31 million persons or 30.1% out of the total employed persons aged 15 and over in Japan. "Clerical and related workers" was the 2nd, 12.12 mil. or 18.9%. "Sales workers" was the 3rd, 9.5 mil. or 14.8%.