This is logically impossible for the population as a whole, because IQ is defined as a relative metric. I.e. an IQ of 100 is (ideally) equal to whatever the cur

This is logically impossible for the population as a whole, because IQ is defined as a relative metric. I.e. an IQ of 100 is (ideally) equal to whatever the current median intelligence is. It sounds like Norway's national service is just getting dumber by comparison.