Scores are defined such that 100 is always the current average. But you can compare results to the actual questions today from a decade ago, and see what IQ peo

Scores are defined such that 100 is always the current average. But you can compare results to the actual questions today from a decade ago, and see what IQ people today would have gotten back then. This tells you how much IQ has drifted. IQ used to go up a couple points each decade (known as the Flynn Effect), but this result shows that in more recent times it has been going down.