In the next 20 years the prevalence of arthritis will increase by almost 57 percent. Among the types of arthritis, almost 70 percent of those affected by rheumatoid arthritis are women, and 89 percent of those with fibromylagia are women.
Most people affected by gout are male.
Arthritis affects all age groups, including an estimated 285,000 children. More than half of the persons affected by arthritis are under the age of 65. It is estimated that one of every two adults over 65 are affected by arthritis.