Hospital and Workforce Behavioral Health Data in California

To better understand and respond to the growing behavioral health needs impacting healthcare services throughout California, HCAI offers a range of topical data products focused on behavioral health. These resources include key findings and trends that help inform strategies, improve program effectiveness, and promote health equity for all Californians.

Defining Behavioral Health

Behavioral health is an umbrella term that covers mental health (e.g., depression, anxiety disorders, schizophrenia and other psychoses) and substance use disorders. It includes our emotional, psychological, and social well-being. It helps determine how we handle stress, relate to others, and make healthy choices. Behavioral health is important at every stage of life, from childhood and adolescence through adulthood.

California Hospital & Workforce Behavioral Health Data Snapshot

Click to open Tableau viz

The California Hospital and Workforce Behavioral Health Data Snapshot is an interactive infographic that provides the most pertinent HCAI behavioral health data. Key themes identified in the analysis include service volume, access to care, and health equity.

Users are able to explore trends highlighted by the data and may also print a PDF copy. Click the three dots icon on the bottom right corner and select PDF to print. (Please note that the hover-over tooltips shown in the interactions will not be printed.)

The Behavioral Health Hospitalization Landscape

The National Institute of Mental Health reported that nearly one-in-five adult Americans live with a mental illness. In California, that equates to nearly eight million people. HCAI’s behavioral health data indicates potential strains on the California healthcare system, as the prevalence of behavioral health diagnoses has risen in recent years. Inpatient (IP) stays and emergency department (ED) visits often become the default response when individuals face acute behavioral health crises due to gaps in community-based care, prevention programs, and outpatient services.

In 2020 and 2021, more than one-third of all IP hospitalizations and one-fifth of all ED visits were linked to a behavioral health diagnosis. This amounts to approximately three million behavioral health-related hospitalizations each year, which translates to about six hospitalizations every minute:

  • 3,359,970 hospitalizations per year
  • 279,998 hospitalizations per month
  • 9,192 hospitalizations per day
  • 383 hospitalizations per hour
  • 6.38 hospitalizations per minute

Based on the time you’ve spent on this page, the timer below displays the average count of hospitalizations with a behavioral health diagnosis as time progresses.

# of Hospitalizations with a Behavioral Health Diagnosis


0 Hospitalizations
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The continuum of care in behavioral health extends far beyond ED visits and IP hospitalizations. After initial stabilization in the ED or IP setting, patients often transition to outpatient services such as therapy, medication management, and case management to continue their recovery in a less intensive environment. Additionally, community resources like housing support, peer counseling, and substance use programs play a critical role in long-term recovery by offering support and resources as patients reintegrate into their communities. Follow-up care ensures that patients maintain their progress and avoid relapse, often through regular check-ins and preventive programs. For more information on continuum of care, visit the Mental Health for All Initiative, Children and Youth Behavioral Health Initiative (CYBHI), and the Certified Wellness Coach program.

HCAI Data Products

Hospital and workforce behavioral health data is integrated into many HCAI featured data visualization products, across the topics of healthcare utilization, health workforce, and cost transparency. Explore the products below to learn more about how HCAI data provides valuable insights about California’s healthcare system.

Healthcare Utilization Products with Behavioral Health Data

Patient-level administrative data abstracted from individual patient records and facility-level utilization data on healthcare services from hospitals and healthcare facilities.

The Workforce Products with Behavioral Health Data

Workforce data showcasing employment and educational data trends in California.

Cost Transparency Products with Behavioral Health Data

Hospital and long-term financials, Chargemasters, prescription drug costs, healthcare claims, and more to support and advance healthcare cost transparency.

Additional Information

Topic: Healthcare UtilizationHealth WorkforceCost Transparency
Source: Healthcare Utilization – Patient-Level Administrative DataHospital Utilization DataHealthcare Utilization – Inpatient DischargesHealth Professional Shortage Areas in CaliforniaHospital Emergency Department – Encounters by FacilityHCAI Health Workforce Languages Spoken DataHCAI Heath Workforce Race & Ethnicity DataHCAI Health Workforce Education DataCost Transparency – Healthcare Payments Database
Citation: HCAI — California Hospital & Workforce Behavioral Health Data Snapshot, 2021-2023
Temporal Coverage: Includes the most recent data available, including data from 2019 to 2023
Spatial/Geographic Coverage: Statewide
Frequency: Annually