Prevalence of myalgic encephalomyelitis and chronic fatigue syndrome

The prevalence of myalgic encephalomyelitis and chronic fatigue syndrome is estimated at 17-24 million worldwide. In 2015, the Institute of Medicine Report estimated there were between 836,000 and 2.5 million ME/CFS patients in the United States.

90% of patients are not diagnosed.

Notable studies

 * 2011, CFS Prevalence and Risk Factors Over Time (Full Text)
 * 2015, Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome - Redefining an Illness (Full Text)