Many jobs in the U.S. require physical strength. The Bureau of Labor Statistics defines "heavy work" as jobs that require workers to constantly lift/carry at least 11 pounds, frequently lift/carry at least 26 pounds, or occasionally lift/carry 51 or more pounds. Overall, 14 percent of jobs require heavy work.
The occupations with the largest percentage of jobs requiring heavy work are the usual suspects—construction and extraction (45.5%); installation, maintenance, and repair (35.4%); and transportation and material moving (32.3%). A substantial 22 percent of workers in health support occupations are required to do heavy lifting.
At the other extreme, 13 percent of jobs are sedentary, requiring no heavy lifting nor much walking or standing. The occupations with the largest percentage of sedentary jobs are legal (40.3%), office and administrative support (31.1%), and management (27.5%). Among architecture and engineering occupations as well as community and social service, a substantial 25 percent of jobs are sedentary.
Source: Bureau of Labor Statistics, Physical Strength Required for Jobs in Different Occupations in 2016