Ah I think I follow. So PPP-adjusted stands for (purchasing-power-parity-adjusted), and it means that it normalizes the cost of a broad basket of goods. So inflation-adjusted in this context means prices normalized across countries, not $$$-inflation over time.

edit: whenever we post these, that’s usually the argument, that things cost more in the global north. But these figures already adjust for that, otherwise the ratio would be probably 1000s of times more.