According to a recent report, the total number of nonelderly persons ...

... without health insurance in 2015 was 32.3 million. Of those:

• 45% were White
• 14% were Black
• 34% were Hispanic
• 8% were other nonwhite ethnicities

Source: "Estimates of Eligibility for ACA Coverage among the Uninsured by Race and Ethnicity," the Henry J. Kaiser Family Foundation, October 28, 2015, http://kff.org/disparities-policy/issue-brief/estimates-of-eligibility-for-aca-coverage-among-the-uninsured-by-race-and-ethnicity/