staffan already posted about this in his terrific post on corruption a couple of months ago, but i thought i’d just reproduce niklas potrafke‘s chart of the correlation (-0.63) which he found between corruption and iq. taken from this paper [pdf – click on charts for LARGER views]:
clearly there’s a connection between intelligence and corruption — the less smart your population is, the more corrupt it will probably be (on average).
i think i see some sub-patterns, though. take a look at this:
– in my lowest iq range — ca. 75 and below — all the populations are very corrupt — the vast majority fall above 6 on the corruption scale. and they all cluster together — they’re all more-or-less equally corrupt, just some a bit more, some a bit less.
– in my middle iq range — ca. 75 to 95 (i probably could’ve set that at 90) — again the majority of populations are very corrupt, and again the majority fall above 6, but that majority is floating well above that regression line, and the corruption hot spot (where this group clumps together) really seems to be pretty much the same as the lower-iq populations, around 7 on the corruption scale. as a group, they haven’t really dropped down on the corruption scale.
– in my highest iq rage — ca. 95 and above — this is where the corruption range really fans out. we’ve got everything from what looks like below 1 on the corruption scale to an 8 (russia).
and the spread is nice and geographical — west to east/north to south: the anglos and the dutch (and are the scandinavians there? i can’t tell), my long-term outbreeders, are the least corrupt — then, working upwards on the chart (i.e. towards more corrupt) you’ve got the belgians and french and spanish — crossing the line into the more corrupt zone you start to have poland and hungary and the czech republic, places on the border of the hajnal line and the medieval outbreeding project — and then you get up to italy and the ukraine and russia.
east asia is, of course, interesting with singapore, hong kong, and japan being some of the least corrupt, and china being way up by corrupt italy. need to work on figuring out east asia one of these days! (~_^)
so, there’s definitely a connection between intelligence and corruption, but that’s not the whole story, otherwise china and russia and italy and korea wouldn’t be very corrupt at all. one thing that the chinese, russians, and italians have in common (don’t know much about the koreans) is a longer history of inbreeding as compared to the english and the dutch (see mating patterns series below ↓ in left-hand column). the awesome epigone did find a correlation (0.44) between consanguinity and corruption, but like i said then, i’m betting that the correlation would be stronger if we could calculate something like degree+length-of-time inbreeding.
see also: Corruption: The Exception or the Rule? @thosewhocansee.
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