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sexually transmitted diseases control Branch

Sexually Transmitted Infection Data

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.

2021 STI Surveillance Report

​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. ​

​​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

For more information about STDs, please visit the STD Control Branch program page.

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