California fully embraced the federal Affordable Care Act (ACA) with dramatic results. California’s uninsured rate is
currently at just 7 percent overall and 8.1 percent among those under 65 years old. In the years prior to the ACA,
California’s uninsured rate hovered between 16 and 19 percent.
This revised and updated Fact Sheet incorporates the most recent data from the National Health Interview Survey released by the Centers for Disease Control and Prevention in February 2018 and from the California Health Interview Survey released by the UCLA Center for Health Policy Research in October 2017.