Earlier quoted context omitted.
In Germany, the figure is 14% of your gross salary, and in France it’s over 20%.
It should be noted that in Germany if you are employed, half of those 14% is paid for by your employer, so you only pay 7% of your gross salary yourself. And there are no deductibles. I think the closest thing to a deductible is having to pay for ambulance (about 20 euro for the trip, probably free if you can't afford it) and for hospital stays (10 euro per day, up to a maximum of 280 per year).
Tax incidence doesn’t not depend on who writes the actual check to the government.
When you get your monthly paycheck, your employer had already withheld the income tax and sent it to the government treasury. Does that mean that you pay no income tax, and the employer kindly covers it for you? No, of course not.
When you buy a new phone, 19% VAT tax is paid. Who pays it? The retailer is responsible to send the money to government, does it mean that he pays full tax, and consumers pay no VAT? Of course not, VAT is reflected in price, and if there was no VAT, the prices would fall down. Suppose that government said that half of VAT is paid by buyer, and half by seller. Would that make any difference at all to anyone involved? No, the final price paid by the customer would be the same, the amount of revenue received by the seller after VAT would be the same, and the government would receive the exact same amount of money. Of course, the outcome would be exactly the same for any other government mandated “split” in who pays VAT.
Similarly, any split in who nominally pays healthcare tax does not in fact matter in the slightest with respect to who actually bears the burden of the tax. Government cannot mandate that half of the burden is on employer and half on employee, because it simply has no power to do so: tax incidence depends on relative elasticities of supply and demand, and not at all on what the government claims the incidence to be. In case of taxing labor, almost all of the incidence is on the seller, that is, on the worker. So, government might say that half of tax is paid by the employer, but the only result of it is that some people are tricked in actually believing that.