In May 2022, 34.7 million people worked in the trades in the US. The Department of Labor categorizes skilled trade professions into five groups: farming, fishing, and forestry; construction and extraction; installation, maintenance and repair; production; and transportation and material moving.
The installation, maintenance and repair occupation group includes people who work in electrical, electronic equipment, and vehicle mechanics, installers, and repairers. Production workers include engine assemblers, butchers, food processing workers, laundry workers, and jewelers.