There was some slight of hand on my part, the ratios are plotted, not the absolute numbers. The wealth inequality is more interesting than absolute country wealth in the context of the simulation I feel.
I agree regarding the debt, that's why net and gross values are included in the chart. For the top 3 it makes no difference. Iceland as an outlier isn't something I would have expected though
Edit: Also the mean probably isn't defined for whatever power law is generating wealth distribution in each country anyway
Net median wealth per adult.
...PS: US only has high wealth if you ignore debt. Owing 200k on a 200k house is not wealth.