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Biennial Health Insurance Surveys

The Commonwealth Fund Biennial Health Insurance Survey measures access to affordable health care over time. 

Underinsured adult looks at coverage options
Achieving Universal Coverage

Health Insurance Coverage Eight Years After the ACA

The 2018 Commonwealth Fund Biennial Survey, taking a big-picture look at health insurance coverage in America eight years after passage of the Affordable Care Act, finds that the uninsured rate among adults ages 19 to 64 for 2018 was 12.4 percent, statistically unchanged from 2016 — despite actions taken by the Trump administration and Congress to weaken the Affordable Care Act. Since 2010, more people have health insurance, the survey finds, but a higher share of U.S. adults are “underinsured,” meaning they have high health plan deductibles and out-of-pocket medical expenses relative to their income.

Issue Briefs / Feb 07, 2019

patient and doctor talk in hall
Improving Health Care Quality

2016 Biennial Health Insurance Survey

According to the latest findings from the Biennial Health Insurance Survey, the percentage of people who shopped for insurance on their own who could not find an affordable plan dropped from 60 percent in 2010 to 34 percent in 2016. Among those with health problems, 70 percent said they had trouble finding an affordable plan in 2010, compared to 42 percent in 2016.


Surveys / Feb 01, 2017