Key Statistics About Chronic Myelomonocytic Leukemia (CMML)

ºÚÁÏÍø±¬³Ô¹Ï

Chronic myelomonocytic leukemia (CMML) is rare. About 1 or 2 out of every 100,000 people develop CMML each year.

  • This disease occurs most often in older people, and it¡¯s very rare in young people.
  • Most people diagnosed with CMML are aged 65 years or older.
  • CMML occurs more often in men than in women.

Visit the for more key statistics.

side by side logos for ºÚÁÏÍø±¬³Ô¹Ï and American Society of Clinical Oncology

Developed by the ºÚÁÏÍø±¬³Ô¹Ï medical and editorial content team?with medical review and contribution by the American Society of Clinical Oncology (ASCO).

Padron E, Gurbuxani S. Chronic myelomonocytic leukemia: Clinical features, evaluation, and diagnosis. UpToDate. 2024. Accessed at https://www.uptodate.com/contents/chronic-myelomonocytic-leukemia-clinical-features-evaluation-and-diagnosis on January 23, 2025.

Last Revised: March 7, 2025

ºÚÁÏÍø±¬³Ô¹Ï Emails

Sign up to stay up-to-date with news, valuable information, and ways to get involved with the ºÚÁÏÍø±¬³Ô¹Ï.