Will average IQ in developed countries drop 15 points or more by EOY 2098?
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"Average" here will be median—my understanding is this is what's generally meant when people refer to "the average IQ of [insert country]."
"Developed country" refers to the 41 countries currently considered to be advanced economies by the IMF. This is basically US & Canada, Europe, Japan & South Korea, Australia, plus a bunch of smaller countries.
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