Between 2017 and 2018, the rate of health insurance coverage in the U.S. dropped from 92.1% of the 325.14 million population to 91.5% of the 327.16 million population in 2018. The uninsured rate rose from 7.9% to 8.5%; this rate counted people who had no insurance for any part of the year. Between 2017 and 2018, the U.S. population rose by 0.4%, from 322.5 million in 2017 to 323.7 million in 2018. Of the total population, for all or part of 2018, about 67.3% was covered by a . . .