As of the end of March, 2018, the uninsured rate among working-age adults ages 19 to 64 was 15.5%, an increase of 12.7% since June 2017. This equals approximately 29.5 million of approximately 190 million U.S. working adults aged 19 to 64, representing and increase of about four million uninsured working-age adults.
These findings were reported in "First Look at Health Insurance Coverage in 2018 Finds ACA Gains Beginning to Reverse" by Sara R. Collins, Munira Z. Gunja, Michelle M. Doty, and Herman K. Bhupal. The researchers conducted the seventh 2018 Commonwealth Fund Affordable . . .