That's a good question, but probably impossible to answer due to the US's peculiarity. From Wikipedia's list [1], it appears that the US is one of only a handf

That's a good question, but probably impossible to answer due to the US's peculiarity. From Wikipedia's list [1], it appears that the US is one of only a handful of countries with employer contribution. All of the others countries I could see are noted as using employer contribution as secondary, where a very large percentage of US coverage has employer contribution as primary or only. [1] https://en.wikipedia.org/wiki/Health_systems_by_country https://en.wikipedia.org/wiki/Health_systems_by_country