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California Health Care Foundation
  • Our Approach
        • Our Approach

          The California Health Care Foundation is an independent, nonprofit philanthropy that works to improve the health care system so that all Californians have the care they need.

          Explore Our Approach

        • Goals & Strategy
        • Our Approach to Health Equity
        • Our Priorities
        • Learning & Impact
        • CHCF Innovation Fund
        • California Improvement Network
        • CHCF Health Care Leadership Program
  • Topics
        • Topics

          CHCF works on many different fronts to support California’s health care system. Explore resources, events, or networks related to each topic.

          Explore All Topics

        • Behavioral Health
        • Consumer Affordability
        • Health Care Costs and Financing
        • Health Insurance Coverage
        • Health Workforce
        • Homelessness
        • Maternal Health
        • Medi-Cal
        • Older Adults
        • Primary Care
        • Racial Health Equity
        • Technology and Innovation
        • Regions
          • Inland Empire
          • Los Angeles and Orange County
          • Rural Northern California
          • Sacramento
          • San Diego and Border
          • San Francisco Bay Area
          • San Joaquin Valley
  • Resources
        • Resources

          CHCF publishes reports, issue briefs, resource libraries, fact sheets, and more to help make meaningful change in California’s health care system.

          Explore All Resources

        • Almanacs
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        • Regional Market Reports
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  • For Grantees
        • For Grantees

          CHCF funds projects that are aligned with its strategic goals and relevant to California health care as outlined in these goals.

          Explore Grantee Resources

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        • Current RFPs
        • Frequently Asked Questions
  • About Us
        • About Us

          The California Health Care Foundation is an independent, nonprofit philanthropy that works to improve the health care system so that all Californians have the care they need.

          Explore About Us

        • Our Values
        • A Vision of Belonging
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  • Email Sign Up

Subtopic: Insurance coverage data

  • Crowd of people enjoying a sunny day at Griffith Park in Los Angeles, CA.
    Event

    Findings from CHCF’s Los Angeles Regional Market Report

    August 13, 2026

  • The San Francisco skyline at dusk from Grizzly Peak in the Oakland Hills.
    Event

    Findings from CHCF’s San Francisco Bay Area Regional Market Report

    Join us for a webinar that explores what the newest regional data reveal about population health trends in the San Francisco Bay Area.

    April 30, 2026

  • Mount Shasta, California, USA - June 17th 2025: Main street of Mount Shasta town leading towards Mount Shasta Volcano, at dusk in summer
    Event

    Findings from CHCF’s Regional Market Report on Shasta & Lassen Counties

    April 02, 2026

  • Resource

    The 2026 CHCF California Health Policy Survey

    CHCF and NORC at the University of Chicago conducted a representative, statewide survey of residents’ views and experiences on a variety of health care topics.

    February 25, 2026

  • Resource

    California Health Insurers, Enrollment Almanac — 2025 Edition

    This California Health Care Almanac quick reference guide shows enrollment by regulator, market, and insurer. A companion data file contains California enrollment for 2012 to 2023.

    December 16, 2025

  • Stethoscope laying on top of document that reads "Explanation of benefits"
    Resource

    California Health Benefits Survey 2025

    The California Health Benefits Survey tracks trends in employees’ coverage, including premiums, employee premium contributions, cost sharing, offer rates, and employer benefit strategies.

    November 18, 2025

  • Resource

    How Many in Your Congressional District Get Medi-Cal or a Premium Subsidy Through Covered California?

    See how many Californians are enrolled in Medi-Cal or get a premium subsidy through Covered California in each California congressional district.

    January 22, 2025

  • Insurance claim forms with a perscription bottle
    Page

    Health Insurance Coverage

    Our work on health insurance focuses on expanding and strengthening coverage for all Californians. We support policies and programs that improve Medi-Cal enrollment, reduce the number of uninsured residents, and ensure that coverage translates to meaningful access, particularly for communities…

    January 01, 2025

  • Resource

    California Health Insurers Almanac — 2024 Edition

    This Almanac provides a snapshot of the insurance market in California at the end of 2022. Data from the state’s two insurance regulators — the California Department of Managed Health Care and the California Department of Insurance — and other…

    October 24, 2024

  • medical form with pen and stethoscope sitting on top of it
    Resource

    Improving the Prior Authorization Process: Recommendations for California

    This report summarizes the main problems with prior authorization in California and makes recommendations for improvements.

    July 09, 2024

  • Doctor examines a young woman's ear
    Resource

    Medi-Cal Facts and Figures Almanac — 2024 Edition

    Medi-Cal, California’s Medicaid program, is the state’s health insurance program for Californians with low incomes, including children, people with disabilities, and seniors. Get the latest data on this program, which covers one in three Californians.

    June 12, 2024

  • Patient and health care provide talk in clinic exam room.
    Resource

    California’s County-Based Health Plans Almanac — 2024 Edition

    The state’s county-based health plans are public entities organized through one or more counties to ensure that Medi-Cal enrollees, and in some cases county employees and Covered California enrollees, receive comprehensive care. Where are these plans and who do they…

    March 13, 2024

  • Resource

    California Achieves Lowest Uninsured Rate Ever in 2022

    California achieved its lowest uninsured rate ever in 2022, in large part due to federal pandemic policy that prohibited disenrollments in Medi-Cal. Amid improvements, racial disparities persisted.

    November 06, 2023

  • Stethoscope laying on top of document that reads "Explanation of benefits"
    Resource

    California Employer Health Benefits Almanac — 2023 Edition

    In 2022, 64% of firms in California offered health benefits to at least some of their employees. Premium costs are typically shared between employers and workers. This report presents data compiled from the 2022 KKF Employer Health Benefits Survey.

    April 17, 2023

  • Resource

    California Health Insurance Enrollment in 2021

    Total health insurance enrollment in California in 2021 increased by 1.4% (474,000) to 34.3 million enrollees. This compared to 3.3% growth in 2020.

    December 21, 2022

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OAKLAND
1438 Webster Street #400
Oakland, CA 94612
Tel: 510.238.1040 Fax: 510.201.2991
Directions to CHCF Oakland

SACRAMENTO
1415 L Street #820
Sacramento, CA 95814
Tel: 916.329.4540 Fax: 916.329.4544
Directions to CHCF Sacramento

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