In an essay, identify the demand for healthcare in the United States, what is the gap of those not insured and why?

In an essay, identify the demand for healthcare in the United States, what is the gap of those not insured and why? Why is there such a disparity of insurance for all?
Include the following in your essay providing up-to-date detailed data:

1. # of uninsured in the United States
2. # enrolled into Exchange/Market Place in NYS
3. Percent of federal deficit identified due to health care spending to date.
   Essay format: double-spaced, 12- font, in MLA or APA format and placed through SafeAssign.
   Supporting references required, one of which must be the textbook.
   Supporting references required, along with APA or MLA format.