Who was exempt from military service in world war Ii?

During World War II, exemptions from military service were granted to various groups, including individuals with certain medical conditions, key industrial workers, and those in essential occupations such as farmers and miners. Additionally, some individuals were exempt due to age, such as those below a specific minimum age or above a maximum age set by the draft boards. Certain government officials and members of religious groups, like Quakers, who opposed military service on ethical grounds, were also granted exemptions.