Final answer:
Most local police departments in the United States are small, with about 53 percent employing fewer than 10 sworn officers. According to the US Bureau of Labor Statistics, there are around three million Americans who work in police and sheriff's departments, the penal system, security guards, and other related protective service occupations.
Step-by-step explanation:
In the United States, most local police departments are small, with about 53 percent employing fewer than 10 sworn officers. According to the US Bureau of Labor Statistics, there are around three million Americans who work in police and sheriff's departments, the penal system, security guards, and other related protective service occupations. Additionally, state and local law enforcement agencies employed more than 1.1 million persons on a full-time basis, including about 765,000 sworn personnel.