The following tables, slide presentations and annual reports provide the most recent available data and statistics for reportable sexually transmitted infections (STI) in California. These files include data for chlamydia, gonorrhea and syphilis.
Please use either Google Chrome or Mozilla Firefox as the web browser to access the STI Surveillance Report files as they may not properly download when using Internet Explorer or Microsoft Edge.
Executive Summary (PDF)
STI in California: 2021 Snapshot (PDF)
State Summary (PDF)
Technical Notes and Data Sources (PDF)
Requests for additional local health jurisdiction level data should be submitted directly to that jurisdiction.
For STD case definitions, please visit the Case Definitions for Reportable Sexually Transmitted Diseases page.
For STD-related CalREDIE help, please email STDCalREDIE@cdph.ca.gov.
For more information about STDs, please visit the STD Control Branch program page.