CAL*Explorer is an interactive website that provides easy access to a wide range of cancer statistics using California Cancer Registry data. It provides detailed statistics for a cancer site by gender, race/ethnicity, age, county/region, and for a select number of cancer sites, by histology.

With CAL*Explorer, you can...
  • Create custom graphs and tables
  • Download data and images
  • Share links to results

Additional Information

What's Included in the Current Release?

CAL*Explorer provides access to cancer incidence, survival, and mortality statistics for California including:

  • Trends in rates for cancer incidence and mortality, 1988-2021
  • Recent rates in cancer incidence and mortality, 2017-2021
  • Rates by age at diagnosis or death
  • Stage distribution (incidence only)
  • County-level incidence and mortality rates
  • Incidence and mortality statistics for several Asian ethnicities including:
    • Chinese
    • Japanese
    • Filipino
    • Korean
    • Vietnamese
    • South Asian
  • Statistics for several subtypes of larger cancer groupings including:
    • Breast cancer
    • Esophagus cancer
    • Lung and bronchus cancer
    • Thyroid cancer
  • 5-year relative survival 2014-2020
  • Relative survival rates by time since diagnosis

How Can I Provide Feedback?

The goal is to improve CAL*Explorer with each new California Cancer Registry data release, we are interested in receiving feedback from users. Please send comments through the California Cancer Registry Contact Us form.

Suggested Citation -

Special Thanks - The CAL*Explorer development team would like to acknowledge the Surveillance, Epidemiology, and End Results (SEER) Program for its permission to use the SEER*Explorer application as a framework for this application.