Without providing a reference backing up your second sentence your claim is no more believable than the OP&#x27;s.<p>The reason I mention it is that on average black people tend to be poorer and live in worse neighborhoods, and poor people in bad neighborhoods (of all races) tend to do more drugs.  So my expectation would be black people tend to do more drugs than white people, but I still doubt it&#x27;s enough of a difference to explain the difference in prison population.<p><a href="http:&#x2F;&#x2F;www.businessinsider.com&#x2F;heres-median-income-in-the-us-by-race-2013-9?op=1" rel="nofollow">http:&#x2F;&#x2F;www.businessinsider.com&#x2F;heres-median-income-in-the-us...</a><p>Edit: Just to be clear before I&#x27;m downvoted into oblivion, I agree that the police and justice system are heavily biased against black people, I&#x27;m just not sure that sentence is true.