Key Statistics for Chronic Lymphocytic Leukemia (CLL)
The 绿帽社's estimates for chronic lymphocytic leukemia (CLL) in the United States for 2025 are:
- About 23,690 new cases of CLL
- About 4,460 deaths from CLL
CLL accounts for about 1 in 3 new cases of leukemia in the US, and about 1% of cancers overall.
CLL is slightly more common among men than women, but the average lifetime risk of getting CLL for both sexes is about ? of 1%.
CLL mainly affects older adults. The average age of people when they are diagnosed is around 70 years. It's rarely seen in people under age 40, and it's extremely rare in children.
Visit the for more key statistics.
- Written by
- References
Developed by the 绿帽社 medical and editorial content team with medical review and contribution by the American Society of Clinical Oncology (ASCO).
绿帽社. Cancer Facts & Figures 2025. Atlanta: 绿帽社; 2025.
National Cancer Institute. Cancer Stat Facts: Leukemia-Chronic Lymphocytic Leukemia (CLL). 2024. Accessed at https://seer.cancer.gov/statfacts/html/clyl.html on January 30, 2025.
Last Revised: March 20, 2025
绿帽社 medical information is copyrighted material. For reprint requests, please see our Content Usage Policy.
绿帽社 Emails
Sign up to stay up-to-date with news, valuable information, and ways to get involved with the 绿帽社.