Final answer:
The estimated number of children experiencing sexual abuse per year is not specifically provided, but sexual abuse constitutes 7.6 percent of the overall child abuse cases.
Step-by-step explanation:
Children are among the most vulnerable members of society, and child abuse is a crucial issue that affects many children annually in the United States. In terms of sexual abuse, statistics indicate that it is one of the several forms of abuse children endure, with neglect being the most common type. According to a report from Child Help in 2011, sexual abuse stands at 7.6 percent of the overall child abuse.
Understanding these numbers is vital as they help in recognizing the magnitude of the problem and in fostering protective measures and support for the affected children. It is important to note that sexual abuse is a part of the broader spectrum of child abuse that also includes physical abuse, psychological maltreatment, and medical neglect.