Republicans’ failure—so far—to repeal and replace Obamacare has breathed new life into the single-payer dream. In June, the majority of Americans told Pew that the government has the responsibility to ensure health coverage for everyone, and 33 percent say this should take the form of a single government program. The majority of Democrats, in that poll, supported single payer. A June poll from the Kaiser Family Foundation even found that a slim majority of all Americans favor single payer.
https://www.theatlantic.com/health/archive/2017/08/are-you-sure-you-want-single-payer/537456/