What Are the Key Statistics About Chronic Myelomonocytic Leukemia?

Chronic myelomonocytic leukemia (CMML) is rare, only occurring in 4 of every million people in the United States each year. That works out to about 1,100 cases each year.

This disease is rare in young people. Almost 9 of 10 of cases are diagnosed in people 60 and older. CMML occurs more often in men than in women.

Visit the American Cancer Society’s Cancer Statistics Center for more key statistics.

The American Cancer Society medical and editorial content team
Our team is made up of doctors and master’s-prepared nurses with deep knowledge of cancer care as well as journalists, editors, and translators with extensive experience in medical writing.

Last Medical Review: October 17, 2017 Last Revised: October 25, 2017

American Cancer Society medical information is copyrighted material. For reprint requests, please see our Content Usage Policy.