California Health Care Foundation

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 2021.

California Health Insurers: Staying the Course provides a snapshot of the insurance market in California at the end of 2020. Data from the state’s two insurance regulators — the California Department of Managed Health Care and the California Department of Insurance — and other sources were used to examine market share, enrollment, financial performance, and consumer satisfaction.

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 cover? How have they changed between 2012 and 2020?

In 2020, California health insurers covered 33.8 million enrollees. This quick reference guide shows enrollment by regulator, market, and insurer. Data files are also available to download.

In 2019, California health insurers covered 32.7 million enrollees. This quick reference guide shows enrollment by regulator, market, and insurer. Data files are also available to download.

In 2018, California health insurers covered 32.8 million enrollees. This quick reference guide shows enrollment by regulator, market, and insurer. Data files are also available to download.

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 cover? How have they changed between 2012 and 2018?

In 2016, California's health insurers reported 32.6 million enrollees. This quick reference guide breaks down that number. Data files with these enrollment numbers are available to download.

California's insurance market changed dramatically when millions became newly eligible for public insurance and private subsidies. California Health Insurers: Two Years After Reform provides a snapshot of the insurance market at the end of 2015.

This Almanac report provides a snapshot of the health insurance market in California at the end of 2013, just before the major provisions of the Affordable Care Act took effect.

The insurance market in California is set to undergo enormous changes when the Affordable Care Act takes full effect in 2014 and millions of residents become eligible for public insurance or subsidies for private insurance. This report provides a performance baseline for health plans and insurers before the law begins to influence the marketplace.