IQ is a number that measures something. We do some retrofitting to make it normal. In theory, 1 in 30,000 people will have an IQ of 160 or higher as you say. Bu

IQ is a number that measures something. We do some retrofitting to make it normal. In theory, 1 in 30,000 people will have an IQ of 160 or higher as you say. But I think that's giving too much credit to the measure, and to g. Which is just working memory times application of logic or something like that. I personally think IQ is intellectually bankrupt.