A case before the U.S. District Court for the Northern District of Texas about the individual mandate could open the door to ending the ACA. An analysis from the Urban Institute shows that if the entire law were eliminated, the number of uninsured individuals would increase by 17.1 million, or 50 percent, in 2019.
The report can be obtained at https://www.urban.org/sites/default/files/publication/98634/aca-remains-critical_2001873_1.pdf.