Cancer data that helps save lives.
The California Cancer Registry collects, analyzes, and shares high-quality cancer data to support reporting, research, public health planning, and better patient outcomes.
Cancer Spotlight
National Breast Cancer Awareness Month
Breast Cancer is the second most common cancer among Californian women. Each year, more than 25,000 women in California are diagnosed with breast cancer. Most women who get breast cancer have no known risk factors and no history of the disease in their families.
Measuring impact across California
CCR supports statewide cancer surveillance, research, reporting, and public health planning through decades of high-quality cancer data.
Years of Research
30+
Decades of statewide cancer surveillance, analysis, and collaboration.
Cases Available
5.8M
Cancer cases available to support research and public health insight.
Cases Added Annually
190K
New cancer case records contributed each year across reporting facilities.
County Reach
58
Supporting statewide consistency in collection, standards, and access.
Why this work matters
Behind every data point is a person, a family, and a community. CCR data helps California better understand cancer trends and improve prevention, treatment, and survivorship efforts.
Real data supports real progress.
From early detection efforts to long-term outcome tracking, the registry plays a critical role in shaping policies, funding decisions, and clinical practices across California.
Our Mission
Delivering high quality cancer data used to save and improve lives.
Our Vision
CCR will serve the public by collecting timely, standardized, statewide data across the cancer continuum to target action toward high impact data use.
NAACCR Gold Certification
Recognized for data quality and completeness
CDC NPCR Certified
Aligned with national cancer surveillance standards
Serving California Since 1988
Long-term statewide cancer data leadership
Research & Public Health Support
Used for planning, policy, and clinical insight