https://www.pbs.org/wgbh/pages/frontline/sickaroundtheworld/

An excellent book on the subject ("The Healing of America: A Global Quest for Better, Cheaper, and Fairer Health Care"):

https://www.amazon.com/Healing-America-Global-Better-Cheaper...

And a comparison by The Commonwealth Fund:

http://international.commonwealthfund.org/

And just a reminder how long the U.S. has been having this argument:

https://en.wikipedia.org/wiki/Clinton_health_care_plan_of_19...

And a quote from that page:

The long-term political effects of a successful... health care bill will be even worse—much worse.... It will revive the reputation of... Democrats as the generous protector of middle-class interests. And it will at the same time strike a punishing blow against Republican claims to defend the middle class by restraining government.

— William Kristol, "Defeating President Clinton's Healthcare Proposal", December 1993