Some big differences: Without the equivalent of AMA lobbying Europe has a lot more primary care doctors per capita than the US. No long history of trying to get everyone healthcare without using taxation resulting in a pile of Rude Goldberg regulations that nobody understands. Regular use of cost-benefit analysis in deciding what procedures or drugs to pay for, now that the FDA has approved aducanumab it's going to be available to people even though it probably doesn't work and is breathtakingly expensive.