50% of the population has below average intelligence. But seriously, the math tells us that IQs below 87 number about 16% of the population. Those people have

50% of the population has below average intelligence. But seriously, the math tells us that IQs below 87 number about 16% of the population. Those people have have an difficult time remembering complex enough instructions that the US Army doesn't want them. With California's population of 330 million that's about 52 million people.