Incidence of Hemophilia

Hemophilia occurs in about one out of every 7,500 live male births. There are approximately 17,000 people in the United States who have hemophilia. Factor VIII deficiency accounts for about 80% (1 in every 5,000 male births) of the hemophilia population and Factor IX deficiency accounts for about 20% (1 in every 30,000 male births) of the hemophilia populatio