Putting aside that you're comparing the wealth of a state (a single amount of value) with a GDP (an amount of economic activity per year) per person, which make

Putting aside that you're comparing the wealth of a state (a single amount of value) with a GDP (an amount of economic activity per year) per person, which makes no sense at all [0], it tells us that the GDP per capita can be horribly misleading; especially in countries known to have unusually high levels of economic inequality. Bill Gates walks into a dive bar; that bar suddenly has the richest clientele in the city, but almost all of them are the same poverty stricken people they were ten seconds previously. [0] It's like comparing a hundred dollars with fifty dollars per year spread amongst four people - the units of comparison just don't match at all.