UAE is another good one, whom have been doing near as much testings per capita as Iceland, and much more in total. In fact, they have tested more people than the UK and France combined.
So far, they have 12 deaths from 2659 cases, with a ratio of 0.45% (in total around 600k testings, with around 60k testings per 1 million people).
On the other side, Luxembourg has a much worse ratio (they have the third-highest testing per capita) at around 1.5%.
For me, Singapore is the most interesting one. They have done a decent number of tests, a bit like Germany, Italy or Israel. However, unlike those countries, their death rate is much lower, at only 0.37%. And they have been hit earlier, so you would expect that they don't have too many critical cases which will increase the ratio.
I know feck all about these things, but it would be interesting to see some studies that try to do a comparison between different strains versions of the virus (of course, adjusted to the population and number of testing). Could it be that the Asian strains are less lethal than the European ones?